单选题:The author compares cells with water balloons in order to__

  • 题目分类:英语
  • 题目类型:单选题
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题目内容:
The author compares cells with water balloons in order to________. A.make you think of summer
B.help you visualize the cells
C.show how rubber is elastic
D.show how many shapes cells can have

参考答案:
答案解析:

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