大工15秋《大学英语3》在线测试3满分答案

大工15秋《大学英语3》在线测试3

一、单选题（共20 道试题，共80 分。）

1. Don’t talk about such things of __________ you are not sure.

A. which

B. what

C. as

D. those

正确答案：A

2. ______ with his report, the boss told John to write it all over again.

A. Not being satisfied

B. Not having satisfied

C. Not to satisfy

D. Not satisfying

正确答案：A

3. Since the introduction of the new technique, the production cost _____ greatly.

A. reduces

B. is reduced

C. is reducing

D. has been reduced

正确答案：D

4. The children are too young to tell good books _______ the bad ones.

A. among

B. from

C. with

D. between

正确答案：B

5. Jane’s cap is red. But __________ is blue.

A. her

B. him

C. his

D. it's

正确答案：C

6. I can send him a note _______ the internet mail system today.

A. in

B. on

C. from

D. via