题目内容

既有建筑物的增层及增载的勘察时,钻孔中取土的间距在基底以下二倍基宽的深度范围内宜为()。

A. 0.5
B. 1.0
C. 1.5
D. 2.0

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TV ______ enables you to get to know about the world's events more vividly. So I advise you to buy one.

A.at least
B.at best
C.at most
D.at worst

岩石按成因分为岩浆岩、沉积岩和变质岩,下列属于变质岩的是()。

A. 花岗岩
B. 大理岩
C. 石英岩
D. 灰岩

The pine trees were black _______ the morning sky.

A. against
B. under
C. in
D. beneath

May I have the ______ of dancing with you?

A. delight
B. pleasure
C. approval
D. agreement

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