题目内容

影响塔吊稳定的因素有风力、轨道坡度、平衡重及()等。

A. 自重
B. 作业人员
C. 斜吊重物

查看答案
更多问题

A suitcase with shirt, trousers and shoes __________ stolen from the car

A. have been
B. has
C. was
D. are

They talked in whispers, but still, I couldn’t help but __________ their conversation

A. overhear
B. to overhear
C. overhearing
D. overheard

Not __________, with youth unemployment so high, some school – leavers with qualifications

A. obviously
B. surprisingly
C. particularly
D. normally

Not only are cars involved in most of the traffic accidents, but they also __________ .

A. contribute
B. promote
C. refer
D. matter

答案查题题库