56. Boris has brains. In fact, I doubt whether anyone in the class has _____ IQ. (2002全国)

　 A. a high　　　　　　　　　 B. a higher　　　　　　　　　 C. the higher　　　　　　　　 D. the highest

55. Americans eat _____ vegetables per person today as they did in 1910. (2002上海春)

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

54. The salesgirls always gives customers _____ smile and the customers are very _____.

　 A. pleasant; pleased　　 B. pleased; pleased　　　　 C. pleasant; pleasant　　　 D. pleased; pleasant

53. --- I’m very _____ with my own cooking. It looks nice and smells delicious.

　 --- Mm, it does have a _____ smell. (2002北京)

　 A. pleasant; pleased　　 B. pleased; pleased　　　　 C. pleasant; pleasant　　　 D. pleased; pleasant

52. In order to change the attitudes ______ the clerks, the company is bring in new rules.

　 A. about　　　　　　　　　 B. of　　　　　　　　　　　　　　 C. towards　　　　　　　　　　 D. on

51. In order to change attitudes _____ employing women, the government is bringing in new laws. (2004北京春)

　 A. about　　　　　　　　　 B. of　　　　　　　　　　　　　　 C. towards　　　　　　　　　　 D. on

50. The conference has been held to discuss the effects of tourism _____ the wildlife in the area. (2003上海)

　 A. in 　　　　　　　　　　　 B. on　　　　　　　　　　　　　 C. at　　　　　　　　　　　　　　　　　 D. with

49. My friend and I had a pleasant chat _____ a long time last night.

　 A. for　　　　　　　　　　　 B. with　　　　　　　　　　　　 C. during　　　　　　　　　　　 D. over

48. I had a pleasant chat _____ my friends last night.

　 A. for　　　　　　　　　　　 B. with　　　　　　　　　　　　 C. during　　　　　　　　　　　 D. over

47. They had a pleasant chat _____ a cup of coffee. (2003北京)

　 A. for　　　　　　　　　　　 B. with　　　　　　　　　　　　 C. during　　　　　　　　　　　 D. over