1. Many kinds of animals are believed to have ( ) from the earth
A. withdrawn
B. vanished
C. found
D. hung
?
正确答案：B
2. The ---_______ between Chinese and Japanese is not so obvious so that it is not easy to distinguish between people from the two countries.
A. distinction
B. equivalent
C. index
D. murder
?
正确答案：A
3. He is deeply ( ) in the trouble of his company.
A. involved
B. occurred
C. packed
D. represented
?
正确答案：A
4. This river forms a natural _______ between China and Korea.
A. boundary
B. string
C. spot
D. zone
?
正确答案：A
5. This watch is _______ by hand, not by machine, so it is very expensive.
A. flat
B. coined
C. bored
D. manufactured
?
正确答案：D
6. The captain apologized ( ) to tell us more about the accident.
A. for to be unable
B. that he was unable
C. to be unable
D. for being unable
?
正确答案：D
7. Don’t forget to _______ to let us know you arrived safely.
A. cable
B. cage
C. border
D. bay
?
正确答案：A
8. The president of that company was very calm during the political( ).
A. failure
B. fashion
C. proceed
D. crisis
?
正确答案：D
9. Both sugar and salt can ______in water.
A. desert
B. absorb
C. dissolve
D. involve
?
正确答案：C
10. Attendances at football matches have ________ since the coming of television.
A. dropped in
B. dropped down
C. dropped off
D. dropped out
?
正确答案：C
11. The noise of the plane died ( ) in the distance.
A. away
B. out
C. down
D. off
?
正确答案：A
12. The ---( ) between Chinese and Japanese is not so obvious so that it is not easy to distinguish between people from the two countries.
A. distinction
B. equivalent
C. index
D. murder
?
正确答案：A
13. He always leaves _______ for all the words he does not know in his translation.
A. blankets
B. blind
C. black
D. blanks
?
正确答案：D
14. Without the ( ) materials imported from abroad,Japan can hardly produce anything.
A. storey
B. valuable
C. spare
D. raw
?
正确答案：D
15. I was caught ________ the rain yesterday.
A. in
B. by
C. with
D. at
?
正确答案：A
16. The engineers in this lab spent several weeks ( )their plans for the new bicycle.
A. counting
B. stripping
C. elaborating
D. casting
?
正确答案：C
17. The airplane took off soon. It was like being on an old train ( ) from side to side and going faster and faster.
A. surrounding
B. foregoing
C. swaying
D. frowning
?
正确答案：C
18. We can not trust him any more because he often ________ his duty.
A. owes
B. spoils
C. deserts
D. neglects
?
正确答案：D
19. What she achieved in her research might ( ) what she had been expecting.
A. exceed
B. exclaim
C. excess
D. extend
?
正确答案：A
20. As a teacher, you should not _______ the students from asking questions in class.
A. ruin
B. restrain
C. import
D. impose
?
正确答案：B