题目内容

建设工程项目施工成本有( )所组成。

A. 直接成本
B. 固定成本
C. 可变成本
D. 间接成本
E. 变动成本

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The headmaster will not permit the change in the course, nor ______ it a thought.

A. does he even given
B. he even gives
C. will he even give
D. he will even given

Hardly ________ when she ________ someone knocking at the door.

A. did she sit, heard
B. did she sit, had heard
C. had she sat, had heard
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A. No more it is
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D. No longer is it

Hardly ___________the door when he rushed into the office out of breath.

A. I opened
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C. I had opened
D. had I opened

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