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问题 选择题

May I ____________ Li Ming to our house, Dad?[ ]

A. inviting

B. to invite

C. invite

答案

答案：C

选择题

已知等边圆柱（轴截面为正方形）的侧面积与一个球的表面积相等，则这个圆柱与球的体积之比为[ ]

A.1：1

B.3：4

C.4：3

D.3：2

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填空题

用所给单词的正确形式填空。

1. Last football match was very ______ (excite).

2. ______ (stay) up late is bad for your health.

3. Why don't you ______ (give) up smoking?

4. My parents didn't feel ______ (good) last Sunday.

5. ______ (not walk) on the lawn. We must protect (保护) our environment.

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