题目内容

Is this the village ______ you visited last year?

A.in which
B.where
C.which
D.at which

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The swimmer failed _____ the shore.

A.reaching
B.having reached
C.to reach
D.to be reached

______ not for gravity, there would be lots of things we could not do.

A.If it is
B.Were it
C.If it being
D.It were

采取不拢动土试样的方法包括()。

A. 击入法
B. 压入法
C. 回转法
D. 爆扩法

下列()取土器适合采取Ⅱ级原状土样。()

A. 水压固定活塞取土器
B. 自由活塞取土器
C. 敞口取土器
D. 厚壁敞口取土器

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