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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理�学．理由 Template




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tomski下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理�学．理由 coloring
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为探究绿色植物生活动，某兴趣小组的同学设计了 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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为了探究绿色植物和种子的生活动，某兴趣小组的同学设计并进行以下实验，以下有关说法错误的是（） A利用甲装置可探究光合作用的原料是二氧化碳 sketch template
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21．化学兴趣小组的同学设计了一个对比实验探究燃烧现象点燃三支蜡烛在其中一支蜡烛上扣一只烧杯A将另两支蜡烛放在烧杯中然后烧杯C中加 sketch template
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14．学习植物生理作用的知识后某兴趣小组设计如下实验进行验证请分析回答取盆栽牵牛花植株放在暗处一昼夜后将植株枝条上长势大小相同的三 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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1某学兴趣小组的同学设计了如下三个实验装置来验证质量守恒定律其中只有A装置能用来验证质量守恒定律BC装置则不能否定BC装置的 sketch template
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下面是课外活动小组的同学设计的各种尾气吸收装置从实验安全角度考其中能用于吸收氯化氢气体的装置是 填字母装置中的液体为水每错选1个 sketch template
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32．为检验二氧化碳气体中是否混有一氧化碳某课外兴趣小组的同学设计了如下图所示的实验装置 根据下图装置回答问题 1实验时在点燃C处 sketch template
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某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置请据图回答注氢氧化钠溶液可以吸收二氧化碳 1首先将甲乙两个装置放在 sketch template
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某学习小组的同学对实验室制取二氧化碳及二氧化碳的性质进行如下两个方面的探究。Ⅰ二氧化碳的制取第一小组用如图所示的装置制取二氧化碳并测定生成 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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七年级探究性学习组的同学在学习了相关知识后利用课余时间用银边天竺作实验材料对“绿色植物进行光合作用 实验作了进一步探究．请根据以下图示 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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题目1某化学兴趣小组的同学无水乙醇中放入一小块属钠观察到有气泡产生小组同学对这一现象产生了兴趣进行了如下探究无水乙醇和属钠 sketch template
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27．学校化学兴趣小组的同学对一瓶溶液进行分析初步确定它是含有同种阴离子的MN的混合溶液继续分析的步骤如下 请根据上述实验过程及现象 sketch template
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某化学兴趣小组的同学设计了如图所示的装置探究影响化学反应速率的因素．1如图装置中使用注射器的优点是能控制产生氧气的速率观察量筒中液体的 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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学探究式学习和研究生物学的重要方法．甲图中的ABC是绿色植物在白天进行的三种生理活动乙图是某生物兴趣小组的同学为研究植物的生活动设计的 sketch template
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下面所示是某校化学兴趣小组的同学探究物质燃烧条件的实验过程 实验1在酒精灯上点燃木条和玻璃棒 实验2分别点燃两支小蜡烛将其中一支蜡烛 sketch template
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化学兴趣小组的同学进行了“测定空气中氧气的含量”的探究实验。（1）红磷燃烧的文字表达式为 。（2）实验探究步骤Ⅰ、将仪器按如图1装置连接好 sketch template
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某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置请据图分析回答提示氢氧化钠溶液可以吸收二氧化碳 1首先将甲乙两个 sketch template
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某校化学兴趣小组的同学利用如下仪器进行实验 C ——青夏教育精英家教—— sketch template
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某学兴趣小组的同学设计了如下实验方案来探究燃烧的条件1用镊子分别夹取一根小木条和一块小石子放在火焰上点燃．2用镊子分别夹取一蘸有 sketch template
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题目某生物兴趣小组的同学在研究植物时设计了如图实验装置请据图分析回答注氢氧化钠溶液可以吸收二氧化碳1首先将甲乙两个装置放 sketch template
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课外兴趣小组的同学们根据氯化钠与硝酸银反应能生成不溶于硝酸的氯化银白色沉淀的原理对某品牌精中氯化钠的含量进行了探究．下面是他们的实验步骤 sketch template
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【题目 下图是某生物兴趣小组的同学探究“淀粉在口腔内的消化”的实验过程请据图回答问题 1本实验有一组对照实验探究的变量是 百度教育 sketch template
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某化学兴趣小组的同学设计了如图所示的装置探究影响化学反应速率的因素 1 下图装置中使用注射器的优点是 观察量筒中液体的体积时视线要与 sketch template
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兴趣小组的同学在老师的指导下对驾乘人使用安全带的必要性展开了探究．实验如下Ⅰ．如图甲让载有正方体橡皮泥的实验小车分别从斜面的AB处 sketch template
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化学兴趣小组的同学在研究氨气的性质时做了如图两个实验根据上述实验现象写出氨气的两点性质 ．——青夏教育精英家教—— sketch template
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为了探究叶片是否是植物完成蒸腾作用的主要器官某研究小组的同学设计了如下的实验方案．首先从一株阔叶植物上剪下大体相同的两个枝条．将一个 sketch template
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1某实验小组的同学在“绿叶在光下制造有机物 的实验中用银边天竺作为实验材料完成了图1所示的实验步骤请你根据以下实验步骤回答下列 sketch template