模拟试题：

1. All of the plants now farmed on a large scale were developed from plants ____ wild.

A. that once grow B. once they grow C. they once grew D. once grew

2. By the time you graduate, we ____ in Australia for one year.

A. will be staying B. will have stayedC. would have stayed D. have stayed

3. He appreciated ____ the chance to deliver his thesis in the annual symposium on Comparative Literature.

A. having given B. to have been given C. to have given D. having been given

4. The government official can hardly find sufficient grounds ____his arguments in favor of the revision of the tax law.

A. on which to base B. which to be based on C. to base on which D. on which to be based

5. Living in the desert involves a lot of problems, ____water shortage is the worst.

A. not to mention B. of whichC. let alone D. for what

6. Hydrogen is one of the most important element in the universe ____ it provides the building blocks from which the other elements are produced.

A.so that B. but that C. provided that D. in that

7. Just as relaxation is an important part of our lives, ____stress.

A.so is B. as it is C. and so is D. the same is

8. Victor took a bus and headed for home, ____ if his wife would have him back.

A. not to know B. not knownC. not knowing D. not having known

9. We can make an exception ____.

A. in any case of John B. in case of JohnC. in case of John’s D. in the case of John

10. When the Cultural Revolution was launched in China, his father ______ college.

A. attended B. had been attending C. was attending D. has been attending

11. My cat is a fussy eater, but my dog is so ____ that she’ll swallow down anything that is put in front of her.

A. indiscriminate B. choosyC. indefinite D. picky

12. “This house is more ____ than the federal government!” Mac complained to his parents. “You have rules for everything.”

A. systematic B. democratic C. bureaucratic D. public

13. The American people’s ____ of being polite is different from that held here in China.

A. mind B. concept C. consideration D. thought

14. Well, that is probably all I can say about sports. Next time I’ll take up the topic of some other ____ activities.

A. refreshment B. entertainmentC. pleasure D. leisure

15. Where there is an earthquake, energy is ____ in one area along a crack in the earth crust.

A. repelled B. released C. run D. rushed

16. The old gardener used to keep all his tools and do it yourself equipment in a ____ in the garden.

A. barn B. room C. hut D. shed

17. I’ve got a big coffee ____ on the front of my dress.

A. pore B. patch C. stain D. grease

18. She broke her leg, but the ____ healed quickly.

A. fracture B. injury C. skeleton D. cavity

19. You’d better add them up. I’m not good at ____.

A. figures B. characters C. summaries D. counters

20. The girl chose some very pretty ____ paper for the present.

A. covering B. wrapping C. packing D.collecting

21. The two scholars worked at the task of writing a preface to the new dictionary for three hours ____ last night.

A. at length B. in full C. on end D. in time

22. I can’t read the marks and notes Jim made in the margin. They are too____.

A.faint B. foggy C. transparent D. misty

23. A highly organized system of irrigation is ____Chinese agriculture.

A. typical of B. consistent with C. famous for D. subject to

24. Jack is very ____ about wines.

A. aware B. knowledgeable C. learned D. informed

25. As for Ann, I am not sure about her ____ in Italian.

A. fluency B. clarity C. coherence D. excellency