南开17春学期《大学英语(一)》在线作业满分答案

17春学期《大学英语（一）》在线作业

试卷总分:100 得分:100

一、单选题(共50 道试题,共100 分)

1. My mother is a doctor. She is ( ) medicine.

A. from

B. at

C. in

满分：2 分

正确答案:C

2. David ( ) on a new database at the moment.

A. currently work

B. is currently working

C. currently working

满分：2 分

正确答案:B

3. The youth centers set up by the city government have ____ those young people to spend their time wisely.

A. relieved