12.There are a lot of computers in the lab,and they need professional 　 to make sure they can be in a good state.

A.operation　　　　　　B.maintenance

C.service　　　　　　D.advice

11.He is　　 every day.He has never been late for school.

A.busy　　　　　　　B.diligent

C.careful　　　　　　D.punctual

10.Everyone should keep on getting himself educated so as to be 　 modern technology.

A.good at　　　　　　B.successful in

C.up to date with　　　　D.interested in

9.I noticed that my grandmother was very upset when I told her about the accident,so I wished I 　 it to her.

A.did not mention　　　　B.have not mentioned

C.do not mention　　　　D.had not mentioned

8.-Have you　　 your application form,Janet?

-Not yet.

A.sent off　　　　　　B.sent up

C.sent for　　　　　　D.sent out

7. 　　he steps on the stage,he will sing the song which made him famous two years ago.

A.Many times　　　　　　B.In no time

C.Every time　　　　　　D.All the time

6.Universities have to provide student　 　for first－year students.

A.adjustment　　　　　　B.qualification

itment　　　　　　D.accommodation

5.This year?s fall in profits was not unexpected 　　,it is very disappointing.

A.Otherwise　　　　　　B.But

C.However　　　　　　　heless

4.　 　giving a general introduction to computers,the course also provides practical experience.

A.In exchange for　　　　B.Except for

C.In addition to　　　　　D.Due to

3.Let’s 　 the matter until the next meeting,because it’s too late to begin a discussion on it now.

A.hold over　　　　　　B.hold out

C.hold down　　　　　　D.hold back