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[ |
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{ |
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"id":"Mercury_7283255", |
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"question":"减数分裂过程中下列哪个事件对物种内部的变异贡献最大?", |
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"choices":[ |
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"染色体配对", |
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"单倍体配子的产生", |
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"等位基因分离", |
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"染色单体分离" |
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], |
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"answerKey":"C" |
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}, |
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{ |
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"id":"Mercury_405944", |
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"question":"如今生产的汽车发动机都注重燃油效率。燃油效率高的发动机最有可能对城市产生的影响是减少", |
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"choices":[ |
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"空气污染。", |
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"热污染。", |
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"噪音污染。", |
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"光污染。" |
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], |
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"answerKey":"A" |
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}, |
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{ |
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"id":"MCAS_2001_8_2", |
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"question":"哪一项最能描述运输技术?", |
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"choices":[ |
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"用于运送人员和产品的系统", |
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"将原材料转化为商品的企业", |
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"建筑物的建造和装修", |
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"机械能转化为热能" |
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], |
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"answerKey":"A" |
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}, |
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{ |
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"id":"MCAS_2005_8_14", |
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"question":"如果 1 公斤甲苯的熔点为 -95°C,那么 500 克甲苯将", |
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"choices":[ |
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"熔点为-47.5°C。", |
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"熔点为-95°C。", |
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"在 95°C 时沸腾。", |
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"沸点为47.5°C。" |
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], |
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"answerKey":"B" |
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}, |
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{ |
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"id":"Mercury_400056", |
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"question":"哪种植物特性是遗传的?", |
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"choices":[ |
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"叶子的形状", |
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"它接收的水量", |
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"从土壤中吸收的矿物质数量", |
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"暴露在阳光下的程度" |
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], |
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"answerKey":"A" |
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}, |
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{ |
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"id":"NAEP_2009_4_S11+2", |
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"question":"罗杰把水倒在一堆沙子上。一些沙子被冲走了。这个过程类似于以下哪项?", |
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"choices":[ |
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"火山喷发", |
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"峡谷壁的侵蚀", |
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"山脉的隆升", |
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"沙漠中沙丘或土丘的形成" |
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], |
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"answerKey":"B" |
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}, |
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{ |
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"id":"Mercury_7136115", |
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"question":"罗杰去拜访住在农场里的祖父。他帮祖父把干草从谷仓里搬出来。罗杰在谷仓里干活的时候开始打喷嚏。身体的哪个系统最有可能引起罗杰打喷嚏?", |
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"choices":[ |
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"循环系统", |
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"排泄", |
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"消化系统", |
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"免疫" |
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], |
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"answerKey":"D" |
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}, |
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{ |
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"id":"Mercury_SC_416531", |
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"question":"艾琳把她的三叶草放在一个阴暗的角落里。很快,她发现叶子向窗户倾斜了。这株植物最需要窗户的什么呢?", |
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"choices":[ |
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"白天的阳光", |
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"白天的空气", |
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"夜晚的黑暗", |
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"夜晚的温暖" |
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], |
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"answerKey":"A" |
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}, |
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{ |
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"id":"Mercury_404988", |
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"question":"以下关于不可再生资源的说法哪个是正确的?", |
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"choices":[ |
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"它们价格便宜。", |
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"它们有助于保持空气清洁。", |
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"它们的形成可能需要数百万年的时间。", |
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"之所以使用它们,是因为它们很容易从地面移除。" |
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], |
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"answerKey":"C" |
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}, |
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{ |
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"id":"NYSEDREGENTS_2006_4_27", |
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"question":"哪些人类活动最常对环境产生有害影响?", |
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"choices":[ |
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"呼吸", |
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"生长", |
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"种植", |
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"污染" |
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], |
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"answerKey":"D" |
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}, |
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{ |
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"id":"Mercury_SC_409901", |
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"question":"植物进行光合作用需要能量来源。植物从哪里获取光合作用所需的能量?", |
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"choices":[ |
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"氧", |
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"糖", |
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"阳光", |
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"水" |
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], |
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"answerKey":"C" |
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}, |
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{ |
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"id":"NAEP_2000_4_S12+2", |
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"question":"太阳表面有多热?", |
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"choices":[ |
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"不像沸水那么热", |
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"和火一样热", |
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"约100°F", |
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"比地球上几乎任何东西都热得多" |
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], |
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"answerKey":"D" |
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}, |
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{ |
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"id":"Mercury_7001768", |
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"question":"胰岛素在我们体内的主要功能是", |
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"choices":[ |
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"储存燃料以备后用。", |
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"调节血液中的葡萄糖量。", |
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"提高燃料消耗效率。", |
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"阻止消化细菌消耗葡萄糖。" |
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], |
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"answerKey":"B" |
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} |
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] |
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