问题 单项选择题

数控机床、加工中心等机床的伺服电动机,要()个月进行一次维护保养。

A.2~4

B.4~6

C.8-10

D.10-12

答案

参考答案:D

多项选择题
听力题

词汇。(20分)

小题1:Our club has a         (一周) meeting on Wednesday.

小题2:Have you seen the film         (导演) by Zhang Yimou? Not yet.

小题3:These Asian tigers are actually         (消失) quicker than pandas.

小题4:The twin brothers are         (争论)about what TV programmes to watch.

小题5:A poor man was found       (死) at home last week.

小题6:The actors in this film act much         (差) and I feel far more bored.

小题7:Don’t give up easily while         (面对) difficulty.

小题8:The number of wild animals is getting smaller because of the________of their living areas. (丧失)

小题9:The girl is a top student in her school. She will go abroad for________study next month. ( 进一步)

小题10:Would you please pass on a ______________(音信) for me to Jack?

小题11:The car _____________(产业) is important to the United States.

小题12:The year’s Beijing Music Awards will be c___________ live.

小题13:To be a good actor, Eddie decided to put all his         (努力)into practicing.

小题14:His _____________(成就) go beyond IT industry.

小题15:The students all stood up when the teacher _____________ (进入) the classroom.

小题16:Mr Green put a lot of _______________(努力) into arranging the concert.

小题17:Gong Li is a famous Chinese successful _______________ (演员).

小题18:He asked me to stop that _________________  (立即).

小题19:His _________________(die) was a great loss to the whole world.

小题20:You’d better ____________ (not play) on the road.