21. The scientists have _______ to the government to take actions against pollution.

　　A) announced B) appeared

　　C) appealed D) approached

　　22. Scientific discoveries are often ________ to industrial production methods.

　　A) provided B) prepared

　　C) applied D) appointed

　　23. I’ve made an ________ to see Dr. Lewis at 3 o’clock this afternoon,

　　A) appointment B) application

　　C) attention D) apartment

　　24. He would much _________ it if you could do him that favor.

　　A) please B) satisfy

　　C) thank D) appreciate

　　25. As winter ________ the weather became colder.

　　A) nearby B) advanced

　　C) passed by D) approached

　　26. She would never do anything that was not _______ of by her parents.

　　A) agreed B) appointed

　　C) approved D) pleased

　　27. We should consider other of the problem as well as seriousness.

　　A) sides B) areas

　　C) aspects D) respects

　　28. The new line of the factory can produce 100 bicycles every day.

　　A) assembly B) working

　　C) collection D) producing

　　29. We naturally Einstein with the Theory of Relativity.

　　A) accomplish B) appreciate

　　C) accompany D) associate

　　30. A witness in a murder trial is to know the facts in the case.

　　A) assumed B) resumed

　　C) assured D) insured

　　31. Investigations us of the soundness of the plan.

　　A) insured B) assured

　　C) ensured D) reassured

　　32. The government of every country should great importance to environmental protection.

　　A) attach B) approach

　　C) pay D) spend

　　33. It would have been better to have concentrated on a few things rather than to so much at a time.

　　A) attain B) attempt

　　C) attend D) attract

　　34. There was a large _____at the pop concert last night.

　　A) viewers B) listeners

　　C) audience D) incidence

　　35. —I’d like to have a table for four at 6 o’clock.

　　—I’m sorry. There are no tables this evening.

　　A) available B) favorable

　　C) ready D) prepared

　　36. It was several minutes before I was of what was happening.

　　A) realized B) aware

　　C) awake D) curious

　　37. We should maintain a(n) between work and play.

　　A) peace B) agreement

　　C) relation D) balance

　　38. All that they had ever had were the necessities of life.

　　A) empty B) bare

　　C) alone D) lonely

　　39. The _____New Zealander prefers to buy for his family a separate house.

　　A) average B) mean

　　C) common D) ordinary

　　40. I bought a radio for only $ 5 at the sales; it was a real .

　　A) present B) buying

　　C) bargain D) purchase

　　参考答案：

　　1. B 2. A 3. C 4. A 5. D 6. B 7. C 8. A 9. A 10. D

　　11. C 12. B 13. D 14. A 15. C 16. A 17. C 18. C 19. A 20. D

　　21. C 22. C 23. A 24. D 25. D 26. C 27. C 28. A 29. D 30. A

　　31. B 32. A 33. B 34. C 35. A 36. B 37. D 38. B 39. A 40. C