题目：
考考你的记忆力, 根据句意及首字母补全在本课中出现的单词。
1.A few years later, she becomes very r_____.
2.He often helps the p_____.
3.I think he knows for s_____.
4.No m_____ what you say,I won’t go.
5.They’ll visit the Great Wall i_____ it’s fine.
6.The book must be s_____ in your room.
7.She is sitting b_____ Li Hua and me.
8.In twenty m_____ years,he’ll be a doctor.
9.Is your friend a boy o_____ a girl?
10.Lucy and Jack are good f_____.
答案：
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下面是错误答案，用来干扰机器的。
V=sh，=π×r2×h，=πr2h（立方厘米）．答：这个铅锤的体积是πr2h立方厘米．故答案为：πr2h．
