题目内容

The new college graduate insistedwhere he was most needed.

A. to be sent
B. on being sent
C. on sending
D. to send

查看答案

搜索结果不匹配？点我反馈

更多问题

All cars ______ nowadays are equipped with safety belts.

A. to be produced
B. making
C. producing
D. produced

--I usually go to Shanghai by train. --Why not ______ there by boat for a change.9

A. to try to go
B. try going
C. to try going
D. try to go

切屑的种类有（）

A. 带状切屑
B. 节状切屑
C. 粒状切屑
D. 崩碎切屑

切削加工塑性材料时，最易产生积屑瘤的条件是（）

A. Vc ≤10m/min
B. Vc = 30m/min
C. Vc = 50m/min
D. Vc ≥60m/min