20春《综合英语（I）》作业2
1.Many experiments have been done to ___ their purpose.
A.achieve
B.teach
C.prove
D.make
答案:-

2.It was at eleven o’clock _____ they went out of the cinema.
A.which
B.that
C.when
D.on which
答案:-

3.Everybody ___ in the hall where they were welcomed by the secretary.
A.assembled
B.accumulated
C.piled
D.joined
答案:-

4.It is highly _______ that he come here tomorrow to join us.
A.desirable
B.doubtful
C.good
D.wanted
答案:-

5.What has happened to George?──I don’t know. He ___ lost.
A.can have got
B.may have got
C.might get
D.could get
答案:-

6.Early ___the morning of May 1, we started off___the mountain village.
A.in…for
B.in …to
C.on…/
D.on…for
答案:-

7.We expressed the hope ____ Mr and Mrs Smith would come to visit China next year.
A.that
B.which
C.what
D.when
答案:-

8.When and where to build the new factory ___ yet.
A.is not decided
B.are not decided
C.had not decided
D.have not decided
答案:-

9.He finished the job at the ___ of his health.
A.expanse
B.spend
C.expense
D.expenses
答案:-

10.There is only one problem ___ they disagree.
A.about which
B.of which
C.on which
D.that
答案:-

11.We had to___ the house as we had lost the key.
A.break into
B.break down
C.break up
D.break out
答案:-

12.He raises a black and ___ white cat. He likes it very much.
A.a
B.his
C.the
D./
答案:-

13.―If he ___, he 　　　___that food.　　　　　―Luckily he was sent to the hospital immediately.
A.was warned, would not take
B.would be warned, had not taken
C.had been warned, would not have taken
D.would have been warned, had not taken
答案:-

14.___sun rises in ___east.
A.The…a
B.The…the
C.A…the
D./…/
答案:-

15.This river forms a natural _______ between China and Korea.
A.boundary
B.string
C.spot
D.zone
答案:-

16.Petrol is refined from the ___ oil we take out of the ground.
A.crude
B.fresh
C.rude
D.original
答案:-

17.The local government has begun a _______ in this city to cut down the traffic accidents.
A.protest
B.punishment
C.protection
D.project
答案:-

18.She is already 16 years old. But she _______as if she were still a little girl.
A.believes
B.absorbs
C.acts
D.behaves
答案:-

19.We are _______ at the rapid progress Mark has made in this semester.
A.distinguished
B.annoyed
C.astonished
D.scored
答案:-

20.There is no _______ to the house from the main road.
A.access
B.exposure
C.avenue
D.edge
答案:-