82. B. performance.

　[详解]performance (话剧的) 一场演出。

81. D. worthless.[详解] worthless 无价值的, 无用的。Priceless 无价的, 贵重的, 无法估价的：a priceless treasure 无价之宝。Invaluable 无法估价的, 非常宝贵的。Unworthy 不值得的, 不配的; 无价值的。

80. A. raised[详解]本句中Though raised in San Franciscos是省略的让步状语从句。Raise (=bring up) 抚养：grow种植; cultivate耕作; 培养 (友谊等) 。如cultivate后接某人, 则意为“培养与某人的感情”。如：John always tries to cultivate the people, who are useful to him professionally. (约翰一向喜欢与事业上对他有用的人来往。)本题译文：尽管在旧金山长大, 但戴夫米切尔总是愿意把小镇生活中平凡的事情记载下来。

79. D. denies.[详解]deny (=refuse to give or allow) 拒绝给予:He denied his children nothing . (孩子们要什么他就给什么。) deprive (=take away from) .剥夺。deprive sb. of sth.剥夺某人某物：They deprived women of the right to vote. (他们剥夺了妇女的投票权。) restrict (=keep within limits) The doctor restricted him to 5 cigarettes a day. (医生限制他一天抽5支烟。) reject (refuse to accept ) 拒绝接受, 如：She rejected my suggestion.本题译文：一些十几岁的孩子们往往对社会有普遍的逆反心理, 虽然他们发育成熟, 但社会拒绝给予他们同成年人一样的权利和优惠。

78. A. fluctuating[详解]本句前一部分是"with+名词+现在分词短语"的独立结构, 做状语。Fluctuate (=move up and down) (指物价, 标准等的) 波动。如：Prices fluctuate from year to year. (物价年年波动) wave飘扬, 挥舞; 招手; (庄稼的) 波动。Swing摆动, 摇摆; vibrate振动。可见, 根据题意, 只能选A. fluctuating.

77. C. tedious .[详解] tedious (=tiresome ;wearying; uninteresting) "沉闷的, 厌烦的, 乏味的”。Splendid 壮丽的, 辉煌的, 极好的。magnificent 壮丽的, 宏伟的：It was a magnificent ceremony. (这是一次盛大隆重的仪式)。

76. C. sympathy.[详解] in sympathy 以示同情, come out 此处意为 (=declare oneself) 表明态度, 所以come out in sympathy 意为“表示同情”。In return 作为报答, 如：I wanted nothing in return . (我不要什么报答。) collaboration协作, 如：work in collaboration with sb. (与某人协力合作) 。Opposition 反对, 如：rise in opposition to (起来反对) 。readiness 准备 (状态); 待机, 如：having everything in readiness for departure (做好一切准备, 以便出发)。

75. B. print.[详解]in print是习语, 意指 “印出来, 发表出来”, 如：She finally saw her novel in print. (她终于看到他的小说出版了。) in print 的另一个意思是“在印行, 还在发行”, 如：This book is still in print. (这本书还在发行, 可以买到) 反义词是out of print , 意指“不在印行, 买不到了。”如：The book you speak of is out of print. (你说到的那本书已不在发行了。)

74.　 D. practice.[详解]practice (=way of doing sth. That is common or habitual; sth. done regularly) 做法, 惯例 ：It is my practice always to rise early. To give credit 让赊欠：No credit is given at this shop. (这家商店概不赊欠。)

73. A. poured.

　[详解]pour 此处意为：涌出, 涌来, 如：People poured out to the rally. (人们踊跃参加群众大会。)