兰州大学《大学英语(1)》14秋在线作业4答案

《大学英语(1)》14秋在线作业4

一,单选题

1. It is important English every moming.

A. toread

B. reading

C. read

D. toreading

?

正确答案：A

2. Sometimes _____to place physics and chemistry into separate categories.

A. difficult

B. is difficult

C. it is difficult

D. that is difficult

?

正确答案：C

3. The publisher will send you a specimen copy of their new book ______.

A. whenitwillberequested

B. whentheyarerequested

C. whenrequested

D. whenrequitedit

?

正确答案：C

4. He took my English-Chinese dictionary _____ mistake.

A. to

B. by

C. about

D. on

?

正确答案：B

5. We’ll have to hurry. There’s not _____time left.

A. much

B. many

C. lotsof

D. alotof

?

正确答案：A