我是在______的环境中捉到鼠妇用于实验的．-生物

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• 根据光对鼠妇生活的影响实验回答问题：（1）鼠妇喜欢生活在______环境中．（2）在实验中进行多次统计的目的是______．（3）在实验中用10只鼠妇而不用1只鼠妇的目的是______．-生物
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• He has lived here for about 20 years ,so he has friends here.A．most ofB．lot ofC．plenty ofD．many of-九
• （1）探究“光对鼠妇生活影响”实验．提出问题是：光对鼠妇生活有影响吗？作出假设是：______．设计实验：该实验的变量是______，在设计实验时要给鼠妇提供______和______两种环境，以-生
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• 实验内容：光对鼠妇生活的影响〔问题〕光会影响鼠妇的生活吗？〔假设〕______〔设计方案〕①材料用具：20只鼠妇，湿润的土壤，纸盒一个，纸板，玻璃板各一块．②实验装置：在纸盒里放上一-生物