模拟试题：
1. ______ native to North America, corn has now spread all over the world.
A. In spite of B. That it is C. It was D. Although
2. Our civilization cannot be thought of as ______ in a short period of time.
A. to have been created B. to be created
C. having been created D. being created
3. We feel it is high time that the Government ______ something to check the inflation.
A. did B. do C. should do D. would do
4. It has been proposed that we ______ our decision until the next meeting.
A. delayed B. delay C. can delay D. are to delay
5. Hurricanes are severe cyclones with winds over seventy five miles an hour ______ originate over tropical ocean waters.
A. which B. who C. where D. how to
6. ______ is announced in the papers, our country has launched a large scale movement against smuggling and fraudulent activities in foreign currency exchange deals.
A. What B. As C. Which D. That
7. All the flights ______ because of the snowstorm, we had to take the train instead.
A. were canceled B. had been canceled C. having canceled D. having been canceled
8. Once ______, this power station will supply all the neighboring towns and villages with electricity.
A. it being completed B. it completed C. completed D. it completes
9. He might have been killed ______ the timely arrival of the ambulance.
A. but for B. except for C. besides D. except
10. If you have never planted anything, you won’t be able to know the pleasure of watching the thing you have planted_______.
B. to grow C. growing D. to be growing
11. He did me a ______ turn by lending me ten pounds.
A. good B. nice C. fine D. pretty
12. Once our chickens started laying eggs, we had such a ______of eggs that we were giving many away to our neighbors.
A. output B. surplus C. production D. plenty
13. Following are comments about the behavior that people in Korea usually expect in various social______.
A. occasions B. cases C. situations D. circumstances
14. They have considered their high standard of living a(n) ______for practising their basic beliefs.
A. award B. reward C. result D. consequence
15. Mac’s close ______ to his brother made people mistake them for one another.
A. resemblance B. identity C. appearance D. relationship
16. The thieves ______ the waste paper all over the room while they were searching for the diamond ring.
A. spread B. scratched C. scattered D. burned
17. The sight of the fruit salad made our daughter Kit’s mouth ______.
A. wet B. water C. soak D. taste
18. The ______ problem of bring a spaceship back from the moon has been solved.
A. technical B. technological C. technique D. technology
19. A large part of a person’s memory is ______ words and combination of words.
A. by means of B. in terms of C. in connection with D. by way of
20. At her word she stood up and walked away, stopping at the window to pull back the curtain and ______.
A. look round B. look out C. look up D. look on
21. Their happiness was very ______.
A. crisp B. brittle C. delicate D. fragile
22. I was awfully tired when I got home from work, but a half hour nap ______ me.
A. revived B. released C. relieved D. recovered
23. We should always keep in mind that ______ decisions often lead to bitter regrets.
A. hasty B. instant C. prompt D. rapid
24. Information and opinion gap exercises have to have some content ______ talking about.
A. worthwhile B. worthily C. worth D. worthy
25. “If we fail to act now,” said Tom, “We’ll find ourselves ______ in action later on.”
A. paid back B. paid for C. paid up D. paid off