56. The __________ of people realize the importance of limiting population growth.

　　A. main part B. majority C. most D. major

　　57. It is estimated that more than 50 million people in the United States play a musical __________.

　　A. tool B. device C. appliance D. instrument

　　58. He is __________ able to read Latin than I am.

　　A. not more B. no more C. not any more D. no less

　　59. I arrived at the park, __________ discover that it was closed for the winter.

　　A. just to B. as a result C. only to D. and

　　60. Jack, with his dark hair and brown eyes, made an impression __________ almost everyone he met.

　　A. of B. on C. in D. for

　　61. The prices of electric appliances have __________ fallen in recent months.

　　A. of particular B. in particular C. for special D. specially

　　62. As a former headmaster, he has always been __________ on education issues and a firm supporter of traditional learning methods.

　　A. outspoken B. outgoing C. outward D. outstanding

　　63. Improved health can lead to a __________ population.

　　A. largest B. larger C. biggest D. bigger

　　64. The businessman’s __________ purpose was to sell the product.

　　A. principle B. primary C. primitive D. predominant

　　65. He will do everything that is __________me.

　　A. requiring B. requiring of C. required D. required of