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问题 单项选择题

地面垫层按主墙间净空面积乘以设计厚度以体积计算，应扣除( )。

A．凸出地面的构筑物、地沟等的面积
B．柱、垛的面积
C．间壁墙的面积
D．附墙烟囱的面积

答案

参考答案：A

选择题

— Have you ever been here before?

— This is the second time I________to the Great Wall.[      ]

A. comes  

B. have been

C. came  

D. had come
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选择题

The village where my grandparents live is very ______ because there is nothing for me to do when I visit them. [ ]

A. funny

B. attractive

C. harmful

D. boring

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