网络教育《大学英语三》答案(22)

B. with

C. on

D. at

31.The atmosphere _______ certain gases mixed together in definite proportions.

( C )

A. composes of

B. is made up

C. consists of

D. makes up of

32.He didn’t have time to read the report word for word. He just

_______ it.

( A )

A. skimmed

B. observed

C. overlooked

D. glanced

33.He _______ at the thought of seeing the pretty girl again.

( B )

A. cheered off

B. cheered up

C. cheerful

D. cheered on

34.Knowing first aid (急救) is _______ to saving lives.

( C )

A. cure

搜索“diyifanwen.net”或“第一范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，第一范文网，提供最新人文社科网络教育《大学英语三》答案(22)全文阅读和word下载服务。