请在4处填写正确答案。

请在4处填写正确答案。A.absolutely B.totally C.properly D.thoroughly

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The word "groundbreaking" (Paragraph 7) can be interpreted a

The word "groundbreaking" (Paragraph 7) can be interpreted as __________________

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The policemen acted quickly because lives were at stake.

The policemen acted quickly because lives were at stake.A.in despair B.in danger

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当前的立井井筒基岩钻眼爆破法施工,钻眼爆破工作的时间约占整个掘进循环时间的( )。

当前的立井井筒基岩钻眼爆破法施工,钻眼爆破工作的时间约占整个掘进循环时间的( )。 A.20~30% B.30%~50% C.40%~60% D.50%~80%

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砖墙砌体施工的质量要求有 ( )。

砖墙砌体施工的质量要求有 ( )。 A.横平竖直 B.灰浆饱满 C.错缝搭接 D.双侧挂线 E.接槎可靠

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