84. It is nt socially _____ for parents to leave children unattended at that age.

A．accessible　 B．adorable　 C．adaptable　　 D．acceptable [2007 山东卷]

83. Since Tom ______ downloaded a virus into his computer, he can not open the file now. [2007 上海卷]

　 A. readily　　　　　　　　　　 B. horribly　　 C. accidentally　　 　　　 D. irregularly

82. John was dismissed last week because of his _____attitude towards his job.

　 A. informal　　　　 B. casual　　　　　　 C. determined　　　　　 　 D. earnest [2007 上海卷]

81. Alan is a careful driver, but he drives _____ of my friends. [2007 上海卷]

　 A. more carefully　　　　　　　　　　　　　　　　 B. the most carefully　

　 C. less carefully　　　　　　　 　　　 　　D. the least carefully

80. Speaking of all the songs he has written, I think this is probably his ____ one. [2007 全国卷II] A. better-known　　　　　 B. well-known　　　　 C. best-known　　　　　　　 D. most-known

79. After two years’ research, we now have a ____ better understanding of the disease. [2007 全国卷II] A. very　　　　 B. far　　　　 C. fairly　　　　　　　　 D. quite

78.(浙江) We always keep ________ spare paper, in case we ran out.

A. too much　　 B. a number of　　　　 C. plenty of　　 D. a good many

77.(广东)Much of the power of the trade unions has been lost _______ , their political influence should be very great.

　　 A. As a result　　　　　 B. As usual　　　　　 C. Even so　　　　 D. So far

76.(全国2). —Did you take enough money with you? —No, I needed _______ I thought I would.

A. not so much as　　　 B. as much as　　　 C. much more than　 D. much less than

75.(江西)I don't think this film is by far the most boring. I have seen_________.

A. better　　 B．worse　　 C．the best　　 D．the worst