题目内容

竖井断面一般为圆形,因此炮眼布置呈同心圆布置。

A. 对
B. 错

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周边眼是均匀布置在掏槽眼和周边眼之间,炮眼方向垂直于工作面。

A. 对
B. 错

Your pay raise will in part ________ your work experience and skills.

A. carry on
B. take on
C. depend on
D. put on

Our purchase decisions are generally made______ the basis of price, delivery dates, and after-sales service.

A. with
B. over
C. in
D. on

I am writing to convey my warm congratulations on your (appoint)________ to the head of the board.

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