12秋北京邮电大学《大学英语3》在线作业一

北邮《大学英语3》在线作业一
试卷总分：100
单选题


一、单选题（共 20 道试题，共 100 分。）
1.The children _________ in their father’s shop when things are busy.
A. help to
B. help on
C. help away
D. help out
此题选: D
2.He tried in vain to _________ the students __________ their professors.
A. turn…against
B. turn…to
C. turn…out
D. turn back

3.He ___________ that half an hour would be enough for him to get to the station, but he simply forgot that it was the rush hour.
A. realized
B. assumed
C. admitted
D. acknowledge

4.I prefer to work in an _____ environment where there are good libraries and cultural facilities.
A. urban
B. rural
C. suburb
D. area

5.She felt __________ and did nothing but sleep the whole day.
A. slack
B. the slack
C. slacking
D. slackly

6.Father _________ at his son as he did poorly in the exam.
A. flared up
B. woke up
C. turned up
D. worked up

7.It was not long __________ the news spread and people from all over the country came to visit the village.
A. before
B. when
C. until
D. after

8.She looked in my face __________.
A. with tears streaming down her cheeks
B. with tears to stream down her cheeks
C. with tears streamed down her cheeks
D. with tears to be streamed down her cheeks

9.A few workers were promoted, but meanwhile hundreds of workers were _______.
A. settled
B. committed
C. dismissed
D. proposed

10.If you think you can do the job, don’t hesitate, just __________.
A. go away
B. go over
C. go ahead
D. go off

11.Put on your coat, __________ you’ll catch cold.
A. if
B. unless
C. nor
D. or
此题选: D
12.I found a couple of shoes under the bed but they don’t make ___________.
A. a bunch
B. a pair
C. a flock
D. a pack

13.What shall I do to ________ this _________ getting dirty?
A. from…keeping
B. keep…from
C. keeping…from
D. keep…on

14.Our task was to ________ a number of these monkeys alive.
A. take
B. grasp
C. capture
D. risk

15.My relatives are ___________ all over the country.
A. scattered
B. excluded
C. separated
D. dispatched

16.―I saw Alice in tears yesterday. What happened to her? ―Nothing important. __________ a lit cigarette burned a hole in her new skirt.
A. Just for
B. Just that
C. Just because
D. Only because

17.It __________that the necklace was made of glass.
A. turned out
B. made out
C. looked out
D. took out

18.Our train is __________ in Beijing at 9 a.m.
A. late
B. due
C. early
D. sure

19.The police warned the children not to __________ the mad man.
A. approach
B. beyond
C. replace
D. enroll

20.Medical scientists __________ finding a cure for cancer since 1960s.
A. have been working out
B. have been working
C. have been working on
D. have been building on