Eliza remembers everything exactly as if it ______ yesterday. [ ]A. was happening B. happens C. has

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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、科学．理由是______．（2）保护森林-八年级生物
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