英语四级CET语法词汇练习题及答案

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1. They ________ to enter the building by the back door; however, the front door was locked.

A) weren’t supposed B) wouldn’t be supposed

C) were supposed D) would be supposed

2. ________ human behavior may be caused by eating substances that upset the delicate chemical balance in the brain.

A) Deliberate B) Consistent

C) Primitive D) Abnormal

3. The captured criminals were ________ in chains through the streets.

A) exhibited

B) displayed

C) paraded

D) revealed

4. In reading stories we anticipate what is to come ________ on our memory of what has gone before.

A) based

B) basing

C) to base

D) to be based

5. The world’s governments have done ________ nothing to combat the threat of nuclear accidents.

A) inherently

B) vitally

C) virtually

D) identically

6. I guess Jones didn’t have a chance to win the election. Almost all of the people in the city voted for his ________.

A) candidate

B) opponent

C) alternative

D) participant

7. The background music in an assembly line is designed ________.

A) not being listened to

B) not to be listened to

C) being not listened to

D) to be not listened to

8. Teaching students of threshold level is hard work but the effort is very ________.

A) precious

B) rewarding

C) worth

D) challenging

9. The boy students in this school are nearly ________ as the girl students to say they intend to get a college degree in business.

A) as likely twice

B) likely as twice

C) as twice likely

D) twice as likely

10. The explorer lost his way so he climbed to the top of the hill to ________ himself.

A) spot

B) locate

C) place

D) situate

41. A 42. D 43. C 44. A 45. C

46. B 47. C 48. B 49. D 50. B