export const list = [
  {
    id: '1000262',
    baseId: '1000162',
    pid: '0',
    title:
      '下列不能支持“治学必须有怀疑精神”这一观点的一项是<span style="text-wrap: wrap;"></span>（<span class="brack"></span>）<span style="text-wrap: wrap;"></span>',
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    difficulty: 3,
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    answer: 'A',
    titleAnalyze:
      'A项，“学而时习之，不亦说乎”阐述的是按时温习的重要性，与“怀疑精神”无关，不能论证“治学必须有怀疑精神”这一观点。故答案选A。',
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      [
        '学而时习之，不亦说乎？<span style="font-family: 楷体, 楷体_GB2312, SimKai;">——</span>《论语》',
        '博学之，审问之，慎思之，明辨之，笃行之。<span style="font-family: 楷体, 楷体_GB2312, SimKai;">——</span>《礼记》',
        '打开科学大门的钥匙，无疑是一个问号。<span style="font-family: 楷体, 楷体_GB2312, SimKai;">——</span>李四光',
        '提出一个问题往往比解决一个问题更重要。<span style="font-family: 楷体, 楷体_GB2312, SimKai;">——</span>爱因斯坦',
      ],
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  {
    id: '1021577',
    baseId: '1021477',
    pid: '1021476',
    title: '杨花落尽子规<span class="point2">啼</span>（<span class="brack"></span>）',
    titleType: null,
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    difficulty: 2,
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    answer: 'B',
    titleAnalyze:
      '<p>这句诗的意思是杨花落完，子规啼鸣的时候。可知“啼”的意思是“鸣叫”，故答案选B。</p>',
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    optionList: [['啼哭', '鸣叫', '打鸣']],
    knowledgeIds: '1018585',
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    pidTitle: '为下列诗句中加点的词选择正确的一项。',
  },
  {
    id: '1028054',
    baseId: '1027954',
    pid: '0',
    title:
      '<div style="text-align: center;"><strong><span style="font-family: arial, helvetica, sans-serif;">雁门太守行</span></strong><br/><span style="font-family:FangSong;">李贺 </span><br/><span style="font-family:KaiTi;">黑云压城城欲摧，甲光向日金鳞开。<br/>角声满天秋色里，塞上燕脂凝夜紫。<br/>半卷红旗临易水，霜重鼓寒声不起。<br/>报君黄金台上意，提携玉龙为君死。 </span><br/><strong>塞下曲</strong><br/><span style="font-family:FangSong;">李白 </span><br/><span style="font-family:KaiTi;">五月天山雪，无花只有寒。<br/>笛中闻折柳，春色未曾看。<br/>晓战随金鼓，宵眠抱玉鞍。<br/>愿将腰下剑，直为斩楼兰<sup>①</sup>。</span></div><span class="tab"></span><span style="font-family: 仿宋;"><p style="text-align: left;">&nbsp; &nbsp; [注]①楼兰：汉代西域国名，此指楼兰国王。据《汉书<span style="font-family: 仿宋;">·</span>傅介子传》记载，西汉昭帝时，楼兰国王屡次截杀通西域的汉使，大将军霍光派平乐监傅介子前往楼兰，用计刺杀了楼兰国王。<br/><span style="font-family: arial, helvetica, sans-serif;">&nbsp; &nbsp; &nbsp; &nbsp;对两首诗理解和分析不正确的一项是（<span class="brack"></span>）</span></p></span>',
    titleType: null,
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    difficulty: 4,
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    answer: 'C',
    titleAnalyze:
      'C项，“《塞下曲》中‘抱’字描绘将士们夜间休息时悠闲之态”表述有误，《塞下曲》中“抱”字描绘士卒夜间警备的情况，表现了军情之紧张急迫。故答案选C。',
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      [
        '《雁门太守行》中“角声满天秋色里”从听觉角度表现战争的规模，“塞上燕脂凝夜紫”从视觉角度表现战争的惨烈。',
        '《塞下曲》首联写五月的天山有“雪”无“花”，寒气逼人，极力渲染边塞的严寒景象，突出环境的艰苦。',
        '两首诗均用字考究，《雁门太守行》中“卷”字写出乘夜奔袭之状；《塞下曲》中“抱”字描绘将士们夜间休息时悠闲之态。',
        '两首诗都运用典故，《雁门太守行》表达了守城将士们誓死报效君王的决心；《塞下曲》表现了将士们甘愿身赴疆场、为国立功的慷慨豪情。',
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    id: '1185794',
    baseId: '1185694',
    pid: '0',
    title:
      '奇奇通过观察，发现人们对于动物的“家”有不同的称呼。<br/><span style="font-family: 楷体, 楷体_GB2312, SimKai;">&nbsp; &nbsp; “马<span class="fill"></span>旁边有一棵老树，树上有一个鸟<span class="fill"></span>，树下有一个狗<span class="fill"></span>，远处有一方鱼<span class="fill"></span>。”</span><br/>&nbsp; &nbsp; &nbsp; &nbsp;横线上应填的字是（<span class="brack"></span>）',
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    difficulty: 2,
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    answer: 'D',
    titleAnalyze:
      '<p>马的居所被称为“马厩”；鸟的居所被称为“鸟巢”；狗的居所被称为“狗窝”；鱼一般生活在有水的地方，包括池塘、河流等。故答案选D。</p>',
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      [
        '棚&nbsp; &nbsp; &nbsp;塘&nbsp; &nbsp; &nbsp;窝&nbsp; &nbsp; &nbsp;巢&nbsp;',
        '穴&nbsp; &nbsp; &nbsp;巢&nbsp; &nbsp; &nbsp;塘&nbsp; &nbsp; &nbsp;窝&nbsp;',
        '厩&nbsp; &nbsp; &nbsp;窝&nbsp; &nbsp; &nbsp;塘&nbsp; &nbsp; &nbsp;巢&nbsp;',
        '厩&nbsp; &nbsp; &nbsp;巢&nbsp; &nbsp; &nbsp;窝&nbsp; &nbsp; &nbsp;塘 ',
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    knowledgeIds: '1018132',
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  {
    id: '1185857',
    baseId: '1185757',
    pid: '0',
    title:
      '明明看到西湖在阳光下和雨中的景色都非常迷人，他想起了诗句“<span class="longFill">&nbsp;</span>”。（<span class="brack"></span>）',
    titleType: null,
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    difficulty: 2,
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    answer: 'C',
    titleAnalyze:
      '<span style="font-family: arial, helvetica, sans-serif;">A项，描写的是荷花凋谢连那擎雨的荷叶也枯萎了，只有那开败了菊花的花枝还傲寒斗霜的景象。不符合题意。<br/>B项，描写的是家中几个小孩还在兴致勃勃地斗蟋蟀，夜深人静了还亮着灯不肯睡眠的场景。<span style="font-family: arial, helvetica, sans-serif;">不符合题意。</span><br/>D项，描写的是采莲少女的绿罗裙融入到田田荷叶中，仿佛一色，少女的脸庞掩映在盛开的荷花间，相互映照。<span style="font-family: arial, helvetica, sans-serif;">不符合题意。</span><br/><span style="font-family: arial, helvetica, sans-serif;">C项，描写的是在晴日的阳光照射下,西湖水波荡漾,闪烁着粼粼的金光，风景秀丽;在阴雨的天气里,山峦在细雨中迷蒙一片,别有一种奇特的美。符合题意。<br/></span>故答案选C。</span>',
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      [
        '荷尽已无擎雨盖，菊残犹有傲霜枝。',
        '知有儿童挑促织，夜深篱落一灯明。',
        '水光潋滟晴方好，山色空蒙雨亦奇。',
        '荷叶罗裙一色裁，芙蓉向脸两边开。',
      ],
    ],
    knowledgeIds: '1018188',
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  },
  {
    id: '1186502',
    baseId: '1186402',
    pid: '0',
    title:
      '根据字形推断，汉字“<img width="17px" height="25px" style="vertical-align: middle;" src="http://cospub.zhinengtongbu.com/tiku/image/c08c7a15dc14463be29552be3197a5b8.png" class="loadingclass"/>”最有可能和<span class="fill" data-label="blank">&nbsp;</span>有关。<span style="color: #606266; font-family: &quot;Microsoft YaHei&quot;;  background-color: #FFFFFF;">（</span><span class="brack" style="display: inline-block; min-width: 2em; text-align: center; color: #606266; font-family: &quot;Microsoft YaHei&quot;;  background-color: #FFFFFF;"></span><span style="color: #606266; font-family: &quot;Microsoft YaHei&quot;;  background-color: #FFFFFF;">）</span>',
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    titleChannelType: 106,
    difficulty: 1,
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    answer: 'D',
    titleAnalyze: '根据字形，该汉字有着“金”字旁，可以推断与金属有关，故答案选D。',
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    optionList: [
      [
        '火&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '水流&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '鸟类&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '金属\n',
      ],
    ],
    knowledgeIds: '1018125,1018131,1018132',
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    id: '1200632',
    baseId: '1200532',
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    title:
      '生活中的智慧。<table border="1" cellspacing="0" cellpadding="0" style="width: 668px;"><tbody><tr class="firstRow"><td style="width: 662px; word-break: break-all;">&nbsp; &nbsp; &nbsp; &nbsp;<span style="font-family: 楷体, 楷体_GB2312, SimKai;">东汉末年，曹操带兵去攻打张绣。时值盛夏，曹操的军队已经走了很多天了，十分疲乏。这一路上又都是荒山秃岭，方圆数十里都没有水源。头顶烈日，战士们被晒得头昏眼花，大汗淋漓，大家都口干舌燥，每走几里路，就有人因中暑而倒地身亡。曹操灵机一动，脑子里蹦出个好点子。他大声喊道：“&nbsp;”只见战士们精神振作起来，鼓足力气加紧向前赶去。就这样，曹操终于率领军队走到了有水源的地方。</span></td></tr></tbody></table>你觉得曹操说的是下面哪句话？（<span class="brack"></span>）',
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    answer: 'D',
    titleAnalyze:
      '从题目描述中，可以得知曹操的军队在盛夏时节，经历了长时间的行军，面临极度的疲劳和缺水的困境。在这种情况下，曹操需要一种能迅速提振士气，激发战士们求生欲望的方法。<br/>D项“前方不远处就有一大片梅林，又酸又甜的大梅子等着咱们呢！” 这句话不仅给出了一个具体的目标——梅林，还描绘了大梅子又酸又甜的诱人画面。在极度口渴的情况下，这样的描述极有可能激发战士们的求生欲望，让他们为了吃到梅子而鼓起最后的力气前行。<br/>故选：D。<br/>',
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      [
        '大家赶快走，前面就有水源。',
        '大家不想被饥渴打败吧？相信自己，胜利就在前方。',
        '大家快走，不想被渴死的，就使劲往前走！',
        '前方不远处就有一大片梅林，又酸又甜的大梅子等着咱们呢！',
      ],
    ],
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    id: '1294156',
    baseId: '1294056',
    pid: '0',
    title:
      '《西游记》中，治疗朱紫国国王的药物里有两味药比较特殊，其中一味百草霜是<span class="underline">&nbsp;①&nbsp;</span> ，还有一味是<span class="underline">&nbsp;②&nbsp;</span>。（<span class="brack"></span>）',
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    difficulty: 2,
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    answer: 'D',
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      [
        '①锅底灰<span class="tab">&nbsp;</span>&nbsp;②驴尿',
        '①瓦上霜<span class="tab" style="text-wrap: wrap;">&nbsp;</span><span style="text-wrap: wrap;">&nbsp;</span>②马尿',
        '①瓦上霜<span class="tab">&nbsp;</span>​&nbsp;②驴尿',
        '①锅底灰<span class="tab">&nbsp;</span>​&nbsp;②马尿',
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  {
    id: '2054075',
    baseId: '2053975',
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    title:
      '阅读下面关于“紫禁城里过大年”活动的文字，完成后面小题。<p class="text-indent"><span style="font-family:KaiTi;">为了迎接春节的到来，故宫早已张灯结【甲】，其中最让人期待的是消失了两百年的天灯和万寿灯。安设天灯和万寿灯的地点共三处【乙】一是乾清宫，二是皇极殿，三是建福宫。乾清宫前的万寿灯灯楼颇为引人注目。灯楼的内部安装了六扇仙人风扇，即围绕一个木柱嵌有六扇绘有仙人的扇面，这六扇仙人可以转动，像走马灯。灯楼下部有云托，上有八叉蹲龙，蹲龙上对应有八仙人。四周的灯联正反两面均有文字，每副对联对仗工整，其内容为歌舞升平、吉庆祥瑞等。研究人员在复原天灯和万寿灯的过程中，采用了锻铜工艺技术，这项工艺技术源自中国传统的铜浮雕，让康乾盛世的过年景象重现今日。</span></p>在【甲】【乙】两处分别填入汉字和标点符号，正确一项是（<span class="brack"></span>）',
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    answer: 'A',
    titleAnalyze:
      '张灯结彩：形容节日或有喜庆的事的繁华景象。用“彩”。“安设天灯和万寿灯的地点共三处”有提示下文的作用，应该用冒号。故答案选A。',
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      [
        '【甲】采&nbsp;<span class="tab"></span>&nbsp; &nbsp; 【乙】冒号',
        '【甲】彩&nbsp;<span class="tab"></span>&nbsp; &nbsp; 【乙】破折号',
        '【甲】采&nbsp;<span class="tab"></span>&nbsp; &nbsp; 【乙】冒号',
        '【甲】采<span class="tab"></span>&nbsp; &nbsp; &nbsp;【乙】破折号',
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    id: '2054078',
    baseId: '2053978',
    pid: '0',
    title: '下边加粗字的音、形、义都正确的一组是（<span class="brack"></span>）',
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    answer: 'A',
    titleAnalyze:
      'A项，正确。注意“御聘”的意思，御，指皇帝。聘，聘用的（人）。B项，有误。“害人听闻”的准确书写“骇人听闻”，骇：震惊。C项，有误。“赏赐”的准确读音“<span style="font-family: &quot;comic sans ms&quot;;">shǎng cì</span>”。D项，有误。“花盖”的准确书写“华盖”。',
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      [
        '忙<strong><bdo class="mathjye-bold">碌</bdo></strong>（<span style="font-family: &quot;comic sans ms&quot;;">lù</span>）&nbsp; &nbsp; <strong><bdo class="mathjye-bold">御聘</bdo></strong>：皇帝请的人',
        '滑<strong><bdo class="mathjye-bold">稽</bdo></strong>（<span style="font-family: &quot;comic sans ms&quot;;">jī</span>）&nbsp; &nbsp; &nbsp;<strong><bdo class="mathjye-bold">害人听闻</bdo></strong>：听了令人震惊',
        '赏<strong><bdo class="mathjye-bold">赐</bdo></strong>（<span style="font-family: &quot;comic sans ms&quot;;">chì</span>）&nbsp; &nbsp; &nbsp;<strong><bdo class="mathjye-bold">精致</bdo></strong>：精细别致',
        '<bdo class="mathjye-bold">花</bdo><strong>盖</strong>（<span style="font-family: &quot;comic sans ms&quot;;">huá</span>）&nbsp; &nbsp; &nbsp;<strong><bdo class="mathjye-bold">随声附和</bdo></strong>：跟着别人说',
      ],
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    id: '1000604',
    baseId: '1000504',
    pid: '0',
    title:
      '<span class="angela-zhang"></span> 若$$a &gt; 0 &gt; b$$，且$$a+b &gt; 0$$，以下不等式正确的个数是（<span class="brack">&nbsp;</span>）<br/>$$①\\dfrac{1}{a}&lt; \\dfrac{1}{b}；②\\dfrac{1}{a}&gt; \\dfrac{1}{b}；$$$$③{a}^{3}b&lt; a{b}^{3}；④{a}^{3}&lt; a{b}^{2}；$$$$⑤{a}^{2}b&lt; {b}^{3}.$$',
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    difficulty: 3,
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    answer: 'B',
    titleAnalyze:
      '<div>解：$$∵a &gt; 0 &gt; b$$，且$$a+b &gt; 0$$，不妨令$$a=2、b=-1$$，<br/>可得$$(2)、(3)$$和$$(5)$$正确，而$$(1)$$和$$(4)$$不正确.<br/>故选：B.</div>',
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    id: '1000641',
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    pid: '0',
    title: '',
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    answer: 'C',
    titleAnalyze: '',
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      ['$$2\\ 020−\\sqrt{5}$$', '$$2\\ 021+\\sqrt{5}$$', '$$6-{\\sqrt{5}}$$', '$$6+{\\sqrt{5}}$$'],
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    id: '1008351',
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    title:
      '<p class="DefaultParagraph"><span class="math-tex">$$1.58×10^{6}$$</span>米的百万分之一大约是（<brack>&nbsp;</brack>）</p>',
    titleType: null,
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    titleChannelType: 106,
    difficulty: 2,
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    answer: 'A',
    titleAnalyze:
      '<p>解：<span class="math-tex">$$1.58×10^{6}$$</span>米的百万分之一为<span class="math-tex">$$1.58×10^{6}\\times \\dfrac {1} {{10}^{6}}=1.58$$（</span>米），<br/></p><span class="math-tex"></span>相当于初中生的身高．<br/><span class="math-tex"></span>故选<span class="math-tex">：A</span>．<span class="math-tex"></span>',
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      ['初中学生李平的身高       ', '教室黑板的长度', '教室中课桌的宽度', '三层楼房的高度'],
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    id: '1072969',
    baseId: '1072869',
    pid: '0',
    title:
      '甲$$\\div $$乙$$=8\\dotsi \\dotsi 3$$，如果甲、乙都乘$$100$$，那么商<span class="cloze">&nbsp;</span>，余数<span class="cloze">&nbsp;</span>。横线上应填（<span class="brack"></span>）。',
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    titleChannelType: 121,
    difficulty: 1,
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    answer: 'C',
    titleAnalyze:
      '分析：商的变化规律：被除数和除数同时扩大相同的倍数（0除外），商不变，但余数也随之扩大相同的倍数；被除数和除数同时缩小为原来的几倍，商不变，但余数也随之缩小为原来的几倍。<br/>解：3×100=300<br/>甲÷乙=8……3，如果甲、乙都乘100，那么商不变，余数是300。<br/>故选：C。',
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    optionList: [
      [
        '乘$$100$$&nbsp; &nbsp; &nbsp; &nbsp; 乘$$10000$$',
        '乘$$100$$&nbsp; &nbsp; &nbsp; &nbsp; 乘$$100$$',
        '不变&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;乘$$100$$',
      ],
    ],
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  {
    id: '1073564',
    baseId: '1073464',
    pid: '0',
    title:
      '在一块正方形纸片上剪下一个圆形和一个扇形（如图所示），恰好能围成一个圆锥模型。如果扇形的半径为 $$a$$，圆的半径为 <span data-="" class="aif-">$$b$$</span>，那么 $$a : b =$$（<span class="brack">&nbsp;</span>）。<br/><img style="vertical-align: middle; width: 102px; height: 102.689px;" width="148" height="149" src="http://cospub.zhinengtongbu.com/tiku/image/4e13e4b1-0c62-4568-ba07-c6af08732701.png"/>',
    titleType: null,
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    titleChannelType: 121,
    difficulty: 3,
    stagePid: 1,
    addrId: null,
    voiceUrl: null,
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    answer: 'B',
    titleAnalyze:
      '<p>分析：圆锥的侧面展开扇形的弧长等于圆锥的底面周长，列出关系式即可得所求。</p><p>解：扇形的弧长等于圆锥底面周长。<br/>所以 2πa÷4=2πb&nbsp;<br/>则&nbsp; &nbsp; &nbsp;a：b=4：1&nbsp;<br/>故选：B。</p>',
    titleAnalyzePicture: null,
    subjectId: 2,
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    optionList: [['$$3\\colon 1$$', '$$4\\colon 1$$', '$$7\\colon 2$$', '$$9\\colon 2$$']],
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    id: '1178584',
    baseId: '1178484',
    pid: '0',
    title: '<p class="MsoPlainText">下列说法不正确的是（<brack>&nbsp;</brack>）.</p>',
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    titleChannelType: 106,
    difficulty: 3,
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    answer: 'D',
    titleAnalyze:
      '<p><span class="math-tex">解：A.</span>依次连接任意四边形各边中点所得的四边形是平行四边形；<br/>B.依次连接对角线相等的四边形各边中点所得的四边形是菱形；</p><p><span style="font-family: "><span class="math-tex">C.</span>依次连接对角线垂直的四边形各边中点所得的四边形是矩形；</span></p><p>D.顺次连接任意一个对角线相等且互相垂直的四边中点，所得四边形是正方形<span style="font-family:Microsoft YaHei, SimSun, tahoma, arial, sans-serif">，故D选项错误</span>．</p><p>故选：<span class="math-tex">D</span>．</p>',
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      [
        '依次连接任意四边形各边中点所得的四边形是平行四边形  <p style="text-indent:15.75pt;"></p>',
        '依次连接对角线相等的四边形各边中点所得的四边形是菱形  <p style="text-indent:15.75pt;"></p>',
        '依次连接对角线垂直的四边形各边中点所得的四边形是矩形  <p style="text-indent:15.75pt;"></p>',
        '依次连接一组对边相等且垂直的四边形各边中点所得的四边形是正方形<span class="math-tex"></span>',
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  {
    id: '1178640',
    baseId: '1178540',
    pid: '0',
    title:
      '某校准备开设特色活动课，各科目的计划招生人数和报名人数，列前三位的如下表所示：<table class="edittable" border="1px solid"><tbody><tr class="firstRow"><td width="158" style="text-align: center;">科目</td><td width="158" style="text-align: center;">小制作</td><td width="158" style="text-align: center;">足球</td><td width="158" style="text-align: center;">英语口语</td></tr><tr><td style="text-align: center;">计划人数</td><td style="text-align: center;"><span class="math-tex">$$100$$</span></td><td style="text-align: center;"><span class="math-tex">$$90$$</span></td><td style="text-align: center;"><span class="math-tex">$$60$$</span></td></tr></tbody></table><table class="edittable" border="1px solid"><tbody><tr class="firstRow"><td width="167" style="text-align: center;">科目</td><td width="167" style="text-align: center;">小制作</td><td width="167" style="text-align: center;">英语口语</td><td width="167" style="text-align: center;">中国象棋</td></tr><tr><td style="text-align: center;">报名人数</td><td style="text-align: center;"><span class="math-tex">$$280$$</span></td><td style="text-align: center;"><span class="math-tex">$$250$$</span></td><td style="text-align: center;"><span class="math-tex">$$200$$</span></td></tr></tbody></table>若计划招生人数和报名人数的比值越大，表示学校开设该科目相对学生需要的满足指数就越高．那么根据以上数据，满足指数最高的科目是（<span class="brack">&nbsp;</span>）',
    titleType: null,
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    titleChannelType: 106,
    difficulty: 3,
    stagePid: 2,
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    answer: 'A',
    titleAnalyze:
      '解：由表知，小制作：<span class="math-tex">$$ \\dfrac {100}{280}≈0.36$$</span>；<br/>英语口语：<span class="math-tex">$$ \\dfrac {60}{250}=0.24$$</span>；<br/>足球：计划招生<span class="math-tex">$$90$$</span>人，报名数不在前三名，即少于<span class="math-tex">$$200$$</span>人，所以比值大于<span class="math-tex">$$ \\dfrac {90}{200}$$</span>，即大于<span class="math-tex">$$0.45$$</span>；<br/>中国象棋：报名<span class="math-tex">$$200$$</span>人，计划数不在前三名，即少于<span class="math-tex">$$60$$</span>人，所以比值小于<span class="math-tex">$$ \\dfrac {60}{200}$$</span>，即小于<span class="math-tex">$$0.3$$</span>，<br/><span class="math-tex">$$∴$$</span>足球科目的满足指数最高（即比值最大）.<br/>故选：<span class="math-tex">A</span>．',
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    id: '1691230',
    baseId: '1691130',
    pid: '0',
    title:
      '<p class="MsoNormalCxSpMiddle">若<span class="math-tex">$$abc &lt; 0$$</span>，<span class="math-tex">$$a+b+c=0$$</span>，则<span class="math-tex">$$\\dfrac{b+c}{\\left|a\\right|}+\\dfrac{a+c}{\\left|b\\right|}+\\dfrac{a+b}{\\left|c\\right|}=$$</span>&nbsp;（<brack>&nbsp;</brack>）</p>',
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    difficulty: 3,
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    answer: 'A',
    titleAnalyze:
      '<span class="math-tex"></span>解： <span style="font-family: &quot;Microsoft YaHei&quot;, SimSun, tahoma, arial, sans-serif;">∵<span class="math-tex">$$abc &lt; 0 $$</span>，<span class="math-tex">$$a+b+c=0 $$</span>，</span><br/><span style="font-family: &quot;Microsoft YaHei&quot;, SimSun, tahoma, arial, sans-serif;">∴<span class="math-tex">$$a $$</span>，<span class="math-tex">$$b $$</span>，<span class="math-tex">$$c $$</span>中一负两正．</span><br/><span style="font-family: &quot;Microsoft YaHei&quot;, SimSun, tahoma, arial, sans-serif;"></span><span style="font-family:Microsoft YaHei, SimSun, tahoma, arial, sans-serif">∴<span class="math-tex">$$ \\dfrac{b+c}{\\left|a\\right|}+ \\dfrac{a+c}{\\left|b\\right|}+ \\dfrac{a+b}{\\left|c\\right|}= \\dfrac{-a}{\\left|a\\right|}+ \\dfrac{-b}{\\left|b\\right|}+ \\dfrac{-c}{\\left|c\\right|}=-1 $$</span>．</span><br/><span style="font-family:Microsoft YaHei, SimSun, tahoma, arial, sans-serif">故选：<span class="math-tex">A</span>．</span><br/><span class="math-tex"></span>',
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        '<span class="math-tex">$$-1$$</span>     ',
        '<span class="math-tex">$$1$$</span>或<span class="math-tex">$$-1$$</span>   ',
        '<span class="math-tex">$$2$$</span>或<span class="math-tex">$$-2$$</span>     ',
        '<span class="math-tex">$$0$$</span>或<span class="math-tex">$$-2$$</span>',
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    baseId: '1708243',
    pid: '0',
    title:
      '如果 <img class="mathml" style="vertical-align: middle; width: 43px; height: 27px;" src="http://cospub.zhinengtongbu.com/tiku/image/893f4176-df2e-4a34-a392-0e78bcfcf0ae.png"/><span class="math-tex"></span>，那么 <img class="mathml" style="vertical-align: middle;" src="http://cospub.zhinengtongbu.com/tiku/image/bfad15d3-e68c-43e7-b6a9-078bc949f09f.png"/><span class="math-tex"></span>的值是（<span class="brack"></span>）',
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    titleChannelType: 106,
    difficulty: 2,
    stagePid: 2,
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    answer: 'C',
    titleAnalyze:
      '分析：设 <img class="loadingclass" style="vertical-align: middle;" src="http://cospub.zhinengtongbu.com/tiku/image/00e9ec3d-0625-46b2-b4b6-ff884e428359.png"/><span class="math-tex">$$ =k$$</span>，得出<span class="math-tex">$$x=2k$$</span>，<span class="math-tex">$$y=3k$$</span>，代入求出即可．<br/>解：设 <img class="loadingclass" style="vertical-align: middle;" src="http://cospub.zhinengtongbu.com/tiku/image/abcd120a-9cbf-4853-a9e6-eb65a6725b5b.png"/><span class="math-tex">$$ =k$$</span>，<span class="math-tex"></span><br/>∴<span class="math-tex">$$x=2k$$</span>，<span class="math-tex">$$y=3k$$</span>，<br/>∴ <img class="loadingclass" style="vertical-align: middle;" src="http://cospub.zhinengtongbu.com/tiku/image/a31fe004-c92a-4ce0-a3a1-4bc4df617937.png"/> <span class="math-tex">$$= $$</span><img class="loadingclass" style="vertical-align: middle;" src="http://cospub.zhinengtongbu.com/tiku/image/6a22da36-b0b1-4268-a888-f1fb73292587.png"/><span class="math-tex">$$ =-5$$.</span><br/>故选：C.',
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        '<span class="math-tex">$$5$$</span>',
        '<span class="math-tex">$$1$$</span>',
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        '<span class="math-tex">$$-1$$</span>',
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    id: '1734323',
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    pid: '0',
    title: '比较下面各组的两个数，能用“$$＞$$”连接的有（<span class="brack">&nbsp;</span>）。',
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    answer: 'C',
    titleAnalyze:
      '解：A、由于π=3.1415926……，因此3.14＜π；<br/>B、$$\\dfrac {1} {2}$$×$$\\dfrac {6} {5}$$＝$$\\dfrac {3} {5}$$；<br/>C、$$\\dfrac {3} {4}$$＞$$\\dfrac {8} {9}$$×$$\\dfrac {3} {4}$$；<br/>D、$$0.\\dot{7} \\dot{5}$$＝0.75757575.......<br/>$$0.7\\overset.{5}$$=0.75555555......<br/>$$0.7\\overset.{5}$$＜$$0.\\dot{7} \\dot{5}$$<br/>故选：C。<span style="color: #333333; font-family: JyeooHai-letter-Italic, JyeooHai-letter, JyeooHai-Main-Regular, &quot;Times New Roman&quot;, 微软雅黑, Arial, 宋体;  letter-spacing: 1px; background-color: #FFFFFF;"></span>',
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      [
        '$$3.14$$<span class="cpk-circlefill">&nbsp;</span>​&nbsp;$$π$$',
        '$$\\dfrac{1}{2}×\\dfrac{6}{5}$$<span class="cpk-circlefill">&nbsp;</span>​&nbsp;$$\\dfrac{3}{5}$$',
        '$$\\dfrac{3}{4}$$<span class="cpk-circlefill">&nbsp;</span>​$$\\dfrac{8}{9}×\\dfrac{3}{4}$$',
        '$$0.7\\dot{5}$$<span class="cpk-circlefill">&nbsp;</span>​$$0.\\dot{7}\\dot{5}$$',
      ],
    ],
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    id: '1806965',
    baseId: '1806865',
    pid: '0',
    title:
      '<p class="ItemQDescSpecialMathIndent1">若<span class="math-tex">$$A(a,-b)$$</span>，<span class="math-tex">$$B(-b,a) $$</span>表示同一个点，那么这个点一定在（<brack>&nbsp;</brack>）.</p>',
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    titleChannelType: 106,
    difficulty: 3,
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    answer: 'B',
    titleAnalyze:
      '<p>解：∵点<span class="math-tex">$$A(a,-b)$$</span>，点<span class="math-tex">$$B(-b,a)$$</span>表示同一点，</p><p>∴<span class="math-tex">$$a=-b$$</span>，<br/>∴这一点一定在第一、三象限的角平分线上．<br/>故选：<span class="math-tex">B</span>．<br/></p>',
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      [
        '第二、四象限的角平分线上',
        '第一、三象限的角平分线上',
        '平行于<span class="math-tex">$$x $$</span>轴的直线上',
        '平行于<span class="math-tex">$$y $$</span>轴的直线上',
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  {
    id: '1836821',
    baseId: '1836721',
    pid: '0',
    title:
      '张阿姨准备在某商场购买一件衣服、一双鞋和一套化妆品，这三件物品的原价和优惠方式如下表所示：<table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" style="mso-border-insidev:.5pt solid windowtext;mso-border-insideh:   .5pt solid windowtext;mso-padding-alt:0cm 5.4pt 0cm 5.4pt;   mso-yfti-tbllook:1184;mso-border-alt:solid windowtext .5pt;border:none;border-collapse:collapse;"><tbody><tr style="mso-yfti-irow:0;mso-yfti-firstrow:yes;height:12.0pt" class="firstRow"><td nowrap="nowrap" style="width: 76.3pt; border: 1pt solid windowtext; padding: 0cm 5.4pt; height: 12pt; text-align: center; vertical-align: middle;" width="102"><br/>欲购买的商品<o:p></o:p></td><td nowrap="nowrap" style="width: 2cm; border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; border-left: none; padding: 0cm 5.4pt; height: 12pt; text-align: center; vertical-align: middle;" width="76"><br/>原价(元<span class="math-tex">$$) $$</span><o:p></o:p></td><td nowrap="nowrap" style="width: 204.3pt; border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; border-left: none; padding: 0cm 5.4pt; height: 12pt; text-align: center; vertical-align: middle;" width="272"><br/>优惠方式<o:p></o:p></td></tr><tr style="mso-yfti-irow:1;height:22.9pt"><td nowrap="nowrap" style="width: 76.3pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt; height: 22.9pt; text-align: center; vertical-align: middle;" width="102"><br/>一件衣服<o:p></o:p></td><td nowrap="nowrap" style="width: 2cm; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 22.9pt; text-align: center; vertical-align: middle;" width="76"><br/><span class="math-tex">$$420$$</span> <o:p></o:p></td><td nowrap="nowrap" style="width: 204.3pt; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 22.9pt; text-align: center; vertical-align: middle;" width="272"><br/>每付现金<span class="math-tex">$$200$$</span>元，返购物券<span class="math-tex">$$200$$</span>元，且付款时可以使用购物券<o:p></o:p></td></tr><tr style="mso-yfti-irow:2;height:13.9pt"><td nowrap="nowrap" style="width: 76.3pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt; height: 13.9pt; text-align: center; vertical-align: middle;" width="102"><br/>一双鞋<o:p></o:p></td><td nowrap="nowrap" style="width: 2cm; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 13.9pt; text-align: center; vertical-align: middle;" width="76"><br/><span class="math-tex">$$280$$</span> <o:p></o:p></td><td nowrap="nowrap" style="width: 204.3pt; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 13.9pt; text-align: center; vertical-align: middle;" width="272"><br/>每付现金<span class="math-tex">$$200$$</span>元，返购物券<span class="math-tex">$$200$$</span>元，但付款时不可以使用购物券<o:p></o:p></td></tr><tr style="mso-yfti-irow:3;mso-yfti-lastrow:yes;height:3.0pt"><td nowrap="nowrap" style="width: 76.3pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt; height: 3pt; text-align: center; vertical-align: middle;" width="102"><br/>一套化妆品<o:p></o:p></td><td nowrap="nowrap" style="width: 2cm; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 3pt; text-align: center; vertical-align: middle;" width="76"><br/><span class="math-tex">$$300$$</span> <o:p></o:p></td><td nowrap="nowrap" style="width: 204.3pt; border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; height: 3pt; text-align: center; vertical-align: middle;" width="272"><br/>付款时可以使用购物券，但不返购物券<o:p></o:p></td></tr></tbody></table><br/>&nbsp;&nbsp;&nbsp; 请帮助张阿姨分析一下，选择一个最省钱的购买方案，此时，张阿姨购买这三件物品实际所付出的钱的总数为&nbsp; （<span class="brack">&nbsp;</span>）．',
    titleType: null,
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    sourceName: null,
    examType: null,
    titleChannelType: 106,
    difficulty: 3,
    stagePid: 2,
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    answer: 'B',
    titleAnalyze:
      '分析：本题的关键是从统计表中获取信息，读懂政策，依政策出方案；本题考查从统计表中获取信息的能力；统计表可以将大量数据的分类结果清晰、一目了然地表达出来．<br/>解：因为买鞋不可以使用购物券，所以先花<span class="math-tex">$$280$$</span>元买一双鞋，<br/>同时可获得<span class="math-tex">$$200$$</span>元购物券，先花<span class="math-tex">$$220$$</span>元和<span class="math-tex">$$200$$</span>元购物券买一件衣服，同时可获得<span class="math-tex">$$200$$</span>元购物券，<br/>再用买衣服获得的<span class="math-tex">$$200$$</span>元购物券与<span class="math-tex">$$100$$</span>元现金再买一套化妆品，<br/>即共花掉：<span class="math-tex">$$280+220+100=600$$</span>元．<br/>故选<span class="math-tex">：B</span>．',
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      [
        '<span class="math-tex">$$500$$</span>元',
        '<span class="math-tex">$$600$$</span>元',
        '<span class="math-tex">$$700$$</span>元',
        '<span class="math-tex">$$800$$</span>元',
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    id: '1841341',
    baseId: '1841241',
    pid: '0',
    title:
      '<span class="angela-xbzhang"></span> 判断下列命题正确的是（<span class="brack">&nbsp;</span>）',
    titleType: null,
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    answer: 'B',
    titleAnalyze:
      '<div>幂函数$$\n y= \\dfrac{1}{x} $$不经过$$\n \\left(0,0\\right) ，$$故A错；<br/>C答案中未指明单调区间，故错；<br/>幂函数$$ y=x ^{n}$$当$$ n&nbsp;＜&nbsp;0$$时在$$ (0 , + \\infty )$$上是减函数，故D错.<br/>故选B．</div>',
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      [
        '幂函数的图象都经过点$$\n(1 , 1)$$和点$$\n(0 , 0)$$',
        '幂函数的图象不可能在第四象限',
        '幂函数$$\ny=x ^{n}$$当$$\nn &gt; 0$$时是增函数',
        '幂函数$$\ny=x ^{n}$$当$$\nn&nbsp;&gt;&nbsp;0$$时在$$\n(0 , + \\infty )$$上是减函数',
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    id: '1960971',
    baseId: '1960871',
    pid: '0',
    title:
      '将甲、乙，丙、丁四人的跳远成绩制成条形统计图。如果用一条直线表示四人的平均成绩，如图中最合理的是（　　）。',
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    titleChannelType: 121,
    difficulty: 3,
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    answer: 'C',
    titleAnalyze: '解：C选项图中线的位置在最高和最低之间，因此符合平均成绩。<br/>故选：C。<br/>',
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      [
        '<br/><img src="http://cospub.zhinengtongbu.com/tiku/image/f7fafa76-66b2-4977-8a0e-f38bfd9dd079.jpg" alt="f7fafa76-66b2-4977-8a0e-f38bfd9dd079.jpg" width="130" height="150" style="width: 130px; height: 150px;"/><span class="edui-editor-imagescale-hand5" style="position: absolute; width: 6px; height: 6px; overflow: hidden;  display: block; background-color: #3C9DD0; cursor: sw-resize; top: 188.988px; margin-top: -3px; left: 0px; margin-left: -4px; color: #303133; font-family: &quot;Microsoft YaHei&quot;;"></span><span class="edui-editor-imagescale-hand1" style="position: absolute; width: 6px; height: 6px; overflow: hidden;  display: block; background-color: #3C9DD0; cursor: n-resize; top: 0px; margin-top: -4px; left: 294.494px; margin-left: -4px; color: #303133; font-family: &quot;Microsoft YaHei&quot;;"></span><span class="edui-editor-imagescale-hand2" style="position: absolute; width: 6px; height: 6px; overflow: hidden;  display: block; background-color: #3C9DD0; cursor: ne-resize; top: 0px; margin-top: -4px; left: 588.988px; margin-left: -3px; color: #303133; font-family: &quot;Microsoft YaHei&quot;;"></span><span class="edui-editor-imagescale-hand3" style="position: absolute; width: 6px; height: 6px; overflow: hidden;  display: block; background-color: #3C9DD0; cursor: w-resize; top: 94.494px; margin-top: -4px; left: 0px; margin-left: -4px; color: #303133; font-family: &quot;Microsoft YaHei&quot;;"></span><span class="edui-editor-imagescale-hand4" style="position: absolute; width: 6px; height: 6px; overflow: hidden;  display: block; background-color: #3C9DD0; cursor: e-resize; top: 94.494px; margin-top: -4px; left: 588.988px; margin-left: -3px; color: #303133; font-family: &quot;Microsoft YaHei&quot;;"></span><span class="edui-editor-imagescale-hand5" style="position: absolute; width: 6px; height: 6px; overflow: hidden;  display: block; background-color: #3C9DD0; cursor: sw-resize; top: 188.988px; margin-top: -3px; left: 0px; margin-left: -4px; color: #303133; font-family: &quot;Microsoft YaHei&quot;;"></span>',
        '<img src="http://cospub.zhinengtongbu.com/tiku/image/db7adec4-15f0-4374-9d8a-e11aec380e61.png" width="106px" height="107px"/>',
        '<img src="http://cospub.zhinengtongbu.com/tiku/image/9d42366c-0676-4e50-82f5-08781a4317db.png" width="107px" height="106px">',
        '<img src="http://cospub.zhinengtongbu.com/tiku/image/c6d1f245-4f96-4bc6-b7d1-80c0db295d0b.png" width="110px" height="106px">',
      ],
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    id: '1579110',
    baseId: '1579010',
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    title:
      '<div style="text-align: justify;">What we need <span class="fill">&nbsp;</span> better laws to preserve the environment and still allow our country <span class="fill">&nbsp;</span>.</div>',
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    titleChannelType: 106,
    difficulty: 2,
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    answer: 'D',
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      '<div style="text-align: justify;">“what we need”是主语从句，谓语动词的单复数取决于它所表达的含义，根据better laws可知，这里是表达复数概念，故第一个空填are；allow sb. to do sth. 允许某人做某事，故第二个空填to grow。故选D。<br/><span style="text-align: justify;">句意：我们需要的是更好的法律来保护环境，同时还能让我们的国家发展。</span></div>',
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    optionList: [
      [
        'is, to grow\n<span class="Apple-tab-span" style="white-space:pre"> </span>',
        'is, growing\n<span class="Apple-tab-span" style="white-space:pre"> </span>',
        'are, growing\n<span class="Apple-tab-span" style="white-space:pre"> </span>',
        'are, to grow',
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    id: '1584635',
    baseId: '1584535',
    pid: '0',
    title:
      '<p class="0" style="text-align: justify;">Do not let any failures discourage you, for you can never tell <span style="text-decoration: underline;">&nbsp; &nbsp; &nbsp;</span>close you may be to victory.</p>',
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    difficulty: 2,
    stagePid: 3,
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    answer: 'A',
    titleAnalyze:
      '<div style="text-align: justify;">句意：不要让任何失败使你气馁，因为你永远不知道自己离胜利有多近。A. how 多么，怎样；B. that 无含义，只起引导作用；C. which 哪一个；D. where 哪里。由后面close可知，此处需用程度副词how修饰。故选A。</div>',
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    id: '1032430',
    baseId: '1032330',
    pid: '0',
    title:
      '<span class="jwsun-hstong"></span>目前普遍认为，质子和中子都是由被称为$$\nu$$夸克和$$\nd$$夸克的粒子组成．$$\nu$$夸克带电量为$$\n+ \\dfrac {2}{3} e，\nd$$夸克带电量为$$- \\dfrac {1}{3} e$$，下列说法正确的是$$\n(\\:\\:\\:\\:)$$',
    titleType: null,
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    titleChannelType: 106,
    difficulty: 2,
    stagePid: 3,
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    answer: 'C',
    titleAnalyze:
      '解：由质子带一个单位正电荷，中子不带电，设质子中$$\n u$$夸克$$、\n d$$夸克个数分别是$$\n x、\n y，\n x、\n y$$取正整数，则有：<br/>$$x\\times &nbsp;\\dfrac {2}{3}e +y\\times ( - \\dfrac {1}{3}e )=1$$，<br/>解得：$$\n x=2、\n y=1$$；<br/>设中子中$$\n u$$夸克$$\n d$$夸克个数分别是$$\n m、\n n，\n m、\n n$$取正整数。<br/>$$m\\times ( \\dfrac {2}{3}e )+n\\times ( - \\dfrac {1}{3}e )=0$$，<br/>解得：$$\n m=1、\n n=2$$，<br/>故选：$$\n C$$。<br/><br/>',
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      [
        '质子由$$\n1$$个$$\nu$$夸克和$$\n1$$个$$\nd$$夸克组成，中子由$$\n1$$个$$\nu$$夸克和$$\n2$$个$$\nd$$夸克组成',
        '质子由$$\n2$$个$$\nu$$夸克和$$\n1$$个$$\nd$$夸克组成，中子由$$\n1$$个$$\nu$$夸克和$$\n1$$个$$\nd$$夸克组成',
        '质子由$$\n2$$个$$\nu$$夸克和$$\n1$$个$$\nd$$夸克组成，中子由$$\n1$$个$$\nu$$夸克和$$\n2$$个$$\nd$$夸克组成',
        '质子由$$\n1$$个$$\nu$$夸克和$$\n2$$个$$\nd$$夸克组成，中子由$$\n2$$个$$\nu$$夸克和$$\n1$$个$$\nd$$夸克组成',
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    id: '1097713',
    baseId: '1097613',
    pid: '0',
    title:
      '<p>下列物质的用途与性质对应不正确的是（<brack>&nbsp;</brack>）</p><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="mso-padding-alt:0cm 5.4pt 0cm 5.4pt;   mso-yfti-tbllook:480;mso-border-alt:solid windowtext .5pt;border:none;border-collapse:collapse;"><tbody><tr style="mso-yfti-irow:0;mso-yfti-firstrow:yes" class="firstRow"><td style="width:35.5pt;border:solid windowtext 1.0pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="47"><p style="text-align:center;">选项</p></td><td style="width:2.0cm;border:solid windowtext 1.0pt;    border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:    solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="76"><p style="text-align:center;">物质</p></td><td style="width:93.2pt;border:solid windowtext 1.0pt;    border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:    solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="124"><p style="text-align:center;">用途</p></td><td style="width:171.0pt;border:solid windowtext 1.0pt;    border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:    solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="228"><p style="text-align:center;">性质</p></td></tr><tr style="mso-yfti-irow:1"><td style="width:35.5pt;border:solid windowtext 1.0pt;    border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;    padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="47"><p style="text-align:center;"><span class="math-tex">$$\\mathrm{\\rm{A}}$$</span></p></td><td style="width:2.0cm;border-top:none;border-left:none;    border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="76"><p style="text-align:center;">二氧化碳</p></td><td style="width:93.2pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="124"><p style="text-align:center;">作气体肥料</p></td><td style="width:171.0pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="228"><p style="text-align:center;">二氧化碳既不燃烧，也不支持燃烧</p></td></tr><tr style="mso-yfti-irow:2"><td style="width:35.5pt;border:solid windowtext 1.0pt;    border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;    padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="47"><p style="text-align:center;"><span class="math-tex">$$\\mathrm{\\rm{B}}$$</span></p></td><td style="width:2.0cm;border-top:none;border-left:none;    border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="76"><p style="text-align:center;">熟石灰</p></td><td style="width:93.2pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="124"><p style="text-align:center;">改良酸性土壤</p></td><td style="width:171.0pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="228"><p style="text-align:center;">熟石灰能与酸发生中和反应</p></td></tr><tr style="mso-yfti-irow:3"><td style="width:35.5pt;border:solid windowtext 1.0pt;    border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;    padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="47"><p style="text-align:center;"><span class="math-tex">$$\\mathrm{\\rm{C}}$$</span></p></td><td style="width:2.0cm;border-top:none;border-left:none;    border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="76"><p style="text-align:center;">氮气</p></td><td style="width:93.2pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="124"><p style="text-align:center;">用于食品防腐</p></td><td style="width:171.0pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="228"><p style="text-align:center;">氮气化学性质较稳定</p></td></tr><tr style="mso-yfti-irow:4;mso-yfti-lastrow:yes"><td style="width:35.5pt;border:solid windowtext 1.0pt;    border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;    padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="47"><p style="text-align:center;"><span class="math-tex">$$\\mathrm{\\rm{D}}$$</span></p></td><td style="width:2.0cm;border-top:none;border-left:none;    border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="76"><p style="text-align:center;">浓硫酸</p></td><td style="width:93.2pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="124"><p style="text-align:center;">用作气体干燥剂</p></td><td style="width:171.0pt;border-top:none;border-left:    none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;    mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;    mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="228"><p style="text-align:center;">浓硫酸具有吸水性</p></td></tr></tbody></table>',
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    answer: 'A',
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      '<p>【分析】</p><p>本题主要考查了学生对物质性质的运用能力，物质的性质决定用途，物质的用途反映性质是解决本题的关键。</p><p>【解答】</p><p><span><span class="math-tex">$$\\mathrm{A.}$$</span>二氧化碳是光合作用的原料，所以可以作为气体肥料，而不是利用了二氧化碳不能燃烧也不支持燃烧的性质，故<span class="math-tex">$$\\mathrm{A}$$</span>错误，但符合题意；</span><br><span><span class="math-tex">$$\\mathrm{B.}$$</span>熟石灰是碱，能够和酸发生中和反应，所以可以用来改良酸性土壤，故<span class="math-tex">$$\\mathrm{B}$$</span>正确，但不符合题意； </span><br><span><span class="math-tex">$$\\mathrm{C.}$$</span></span><span>氮气化学性质较稳定，可以用作食品防腐，故<span class="math-tex">$$\\mathrm{C}$$</span>正确，但不符合题意；</span></p><p><span><span class="math-tex">$$\\mathrm{D.}$$</span>浓硫酸具有吸水性，可以用作气体干燥剂，故<span class="math-tex">$$\\mathrm{D}$$</span>正确，但不符合题意。</span><br><span>故选<span class="math-tex">$$\\mathrm{A}$$</span>。</span></p>',
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    baseId: '1809430',
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    title:
      '通过下列实验，能达到实验目的的是（<brack>&nbsp;</brack>）<p><img v:shapes="}\\)&lt;/span&gt;图片&lt;span class=" math-tex="" src="http://cospub.zhinengtongbu.com/tiku/image/0349e9d1-8e0a-4a3e-8d61-9e93e82cb57b.png"/></p>',
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    answer: 'B',
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      '<p><span class="math-tex">A.</span>盐酸和碳酸都不能使酚酞改变颜色，所以不能根据甲试管中溶液颜色深浅，比较盐酸和碳酸的酸性强弱，故A错误；</p><p><span class="math-tex">B.</span>氢氧化钠溶于水放热，而硝酸铵溶于水吸收热量，所以可以根据乙中气球的大小变化，比较<span class="math-tex">$$\\mathrm{\\rm{NaOH}}$$</span>和<span class="math-tex">$$\\mathrm{\\rm{NH}}$$</span><span class="math-tex">$$\\mathrm{\\rm{{\\,\\!}_{4}}}$$</span><span class="math-tex">$$\\mathrm{\\rm{NO}}$$</span><span class="math-tex">$$\\mathrm{\\rm{{\\,\\!}_{3}}}$$</span>固体溶解的热效应，故<span class="math-tex">B</span>正确；</p><p><span class="math-tex">C.</span>氢氧化钙微溶于水，丙烧杯中装有<span class="math-tex">$$\\mathrm{\\rm{80g}}$$</span>水，加入<span class="math-tex">$$\\mathrm{\\rm{20g}}$$</span>氢氧化钙，不能全部溶解，不能配制<span class="math-tex">$$\\mathrm{\\rm{20\\% }}$$</span>的<span class="math-tex">$$\\mathrm{\\rm{Ca(OH)}}$$</span><span class="math-tex">$$\\mathrm{\\rm{{\\,\\!}_{2}}}$$</span>溶液，故<span class="math-tex">C</span>错误；</p><p><span class="math-tex">D.</span>烧杯中是冰水，没有达到白磷的着火点，通入氧气白磷不能燃烧，所以不能通过观察丁中的实验现象，说明燃烧的条件之一是必须与氧气接触，故<span class="math-tex">D</span>错误。<br/>故选B。<br/></p>',
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        '根据甲试管中溶液颜色深浅，比较盐酸和碳酸的酸性强弱  <p style="text-indent:21.0pt;"></p>',
        '根据乙中气球的大小变化，比较<span class="math-tex">$$\\mathrm{\\rm{NaOH}}$$</span>和<span class="math-tex">$$\\mathrm{\\rm{NH_{4}NO_{3}}}$$</span>固体溶解的热效应  <p style="text-indent:21.0pt;"></p>',
        '丙烧杯中装有<span class="math-tex">$$\\mathrm{\\rm{80g}}$$</span>水，加入<span class="math-tex">$$\\mathrm{\\rm{20g}}$$</span>氢氧化钙，配制<span class="math-tex">$$\\mathrm{\\rm{20\\% }}$$</span>的<span class="math-tex">$$\\mathrm{\\rm{Ca(OH)_{2}}}$$</span>溶液  <p style="text-indent:21.0pt;"></p>',
        '通过观察丁中的实验现象，说明燃烧的条件之一是必须与氧气接触<span class="math-tex">$$\\mathrm{ }$$</span>',
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    title:
      '对如图表格信息解读正确的是（　　） <br/><bdo class="mathjye-aligncenter">京师同文馆课程安排</bdo><table class="edittable" border="1px solid"><tbody><tr class="firstRow"><td>学程</td><td>学习内容</td></tr><tr><td>第1-2年</td><td align="left">外语认、读、写和翻译初步，汉文经学</td></tr><tr><td>第3年</td><td align="left">各国地理、历史和翻译选编，汉文经学</td></tr><tr><td>第4-8年</td><td align="left">算学（包括代数、平面几何、立体几何、三角、微积分），天文，测算（包括航海测算），格物（物理），金石（矿物），化学，机器制造，外语翻译，万国公法，汉文经学</td></tr></tbody></table>',
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    titleChannelType: 106,
    difficulty: 3,
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    answer: 'C',
    titleAnalyze:
      '本题考查了洋务运动。第二次鸦片战争的失败，刺激了中国的官僚士大夫阶层，为了应对变局，清政府设京师同文馆。由“京师同文馆课程安排”可以看出，京师同文馆学习内容是以科学技术、翻译人才和历史文化为主，体现了服务自强求富的特点。故选：C。<br/>',
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    title:
      '<p class="00">纤维素酶的测定方法一般是<span style="">（</span><span class="brack" style="">&nbsp;</span><span style="">）</span></p>',
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    answer: 'C',
    titleAnalyze:
      '<p>解：通过鉴别培养基上是否形成透明圈来对分解纤维素的微生物进行初步筛选，为确定得到的是纤维素分解菌，需要进行发酵产生纤维素酶的实验，并且进行纤维素酶的测定，测定方法一般是对纤维素酶分解滤纸等纤维素后所产生的葡萄糖进行定量测定。<br style="color: rgb(51, 51, 51); font-family: 微软雅黑, Arial, 宋体;  white-space: normal; background-color: rgb(255, 255, 255);"/>故选：C。</p>',
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        '对纤维素酶分解纤维素后所产生的纤维二糖进行定量测定',
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    title:
      '<p class="MsoListParagraph" style="text-indent:0cm;">提出用进废退和获得性遗传观点的科学家是<span style="">（</span><span class="brack" style="">&nbsp;</span><span style="">）</span></p>',
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    answer: 'A',
    titleAnalyze: '拉马克认为生物各种适应性特征的形成都是用进废退和获得性遗传的结果，A正确。<br/>',
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        '拉马克&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '达尔文&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '萨顿&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '摩尔根',
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    baseId: '1846886',
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    title:
      '<p class="Normal1">生长激素是人体内的重要激素，下列叙述与事实相符的是<span style="">（</span><span class="brack" style="">&nbsp;</span><span style="">）</span></p>',
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    difficulty: 2,
    stagePid: 3,
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    answer: 'C',
    titleAnalyze:
      '<div>\n 【分析】\n <br>本题考查生长激素相关知识，意在考查考生理解能力。\n <br>【解答】\n <br>A.生长激素由腺垂体合成并分泌，化学本质是蛋白质，A错误；\n <br>B.生长激素可促进糖原合成，减少糖的利用，B错误；\n <br>C.生长激素可促进细胞生长，可作用于全身所有组织，C正确；\n <br>D.幼年时缺乏生长激素将患侏儒症，D错误。\n <br>​故选C。\n</div>',
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        '由腺垂体合成并分泌，其化学本质是吲哚乙酸',
        '可促进糖的利用，增加糖原生成',
        '可作用于全身所有组织',
        '幼年时缺乏生长激素将患呆小症',
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    id: '1926921',
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    title:
      '以下属于光合作用原理在农业生产上应用的是（）<br/><p class="10ABCD" style="text-indent:9.95pt;"><br/></p>',
    titleType: null,
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    titleChannelType: 106,
    difficulty: 2,
    stagePid: 2,
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    answer: 'C',
    titleAnalyze:
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        '低温冷藏&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '阴天移栽&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;',
        '合理密植&nbsp;&nbsp;&nbsp; 　&nbsp;&nbsp;&nbsp;&nbsp;',
        '松土排涝 ',
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    title: '我国是世界人口大国，人口数量约占世界的（　　）',
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