56. Rainforests ________ and burned at such a speed that they will disappear from the earth in the near future.　　　

A. cut　　 　　　　　　　　 B.　 are cut　　 　 C. are being cut　　 　 D. had been cut

01---- 05 ABCBD　　　　　　 06---- 10 DACDA　　　　　　 11---- 15 BBDAC　　　

16---- 20 ACCCA　　　　　　 21---- 25 DBDDB　　　　　　 26---- 30 CDBDB

31---- 35 DBDAA　　　　　　 36---- 40 BDACC　　　　　　 41---- 45 CBDAB

46---- 50 AABAD　　　　　　 51---- 56 CBCABC

55. The professor _______ at the meeting will give us a lecture next week.

A. referred　　 　　　　 B. referred to　　 C. referring　　 　　　 D. referring to

54. He is fond of ______ but he doesn’t like _____ with me at present.

A. fishing; to go fishing　 　　　　　　　　　　 B. fishing; going fish　

C. fish; fishing　 　　　　　　　　　　　　　　　　　　　　　 D. fish; to go fish

53. After the new technique was introduced, the factory produced ______ trucks in 2002 as the year before.

A. as twice many　　　　　　　 B. as many twice C. twice as many 　D. twice many as

52. October 1, 1949 is the day _____ the People's Republic of China was founded.

A. which　　 　　　　　　 B. when　　 　　　 C. that　　 　　　　 D. on that

51. It was dark. We decided to ______for the night at a farmhouse.

A. put away　　 　　　　　　　 B. put down　　 　　　 C. put up　　 　　 D. put on

50. The old man, _____ abroad for 20 years, is on the way back to his motherland.

A. to work　　 　　　　　 B. working　　 　 C. to have worked　　 D. having worked

49. Never ____ faith in himself, the scientist went on with his research.

A. losing　　 　　　　　　 B. to lose　　 　　 C. lost　　 　　　　　　　　 D. to be lost

48. Recently I bought an ancient Chinese vase, _______ was very reasonable.

A. which price　　 　　 B. the price of which 　　　 C. its price　　 D. the price of whose

47. The latest data put forward by the states suggested that the business ___ improving.

A. was　　 　　　　　　　　 B. be　　 　　　　　　 C. being　　 　　　　　　 D. should