81. I'm afraid this painting is not by Picasso. It's only a copy and so it's _____.
        A.priceless                 B.invaluable                   C.unworthy                 D. worthless
[答案] D. worthless.
[注释] 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。
82. The final _____ of the play will take place on Monday.
A. action                    B. performance                    C. view                   D. sight
[答案] B. performance.
[注释] performance (话剧的) 一场演出。
83. It was a long time before the cut on my hand _____ completely.
   A. healed                    B. cured                    C. improved                    D. recovered
[答案] A. healed.
[注释] heal 1) 使痊愈, 治愈：The salve will help to heal the wound. (这种药膏能治愈你的伤。) 2) 痊愈 (多指外伤) ：The cut on my leg has healed. (我腿上的伤口以痊愈。) 可见, 本题是heal的第二种用法。cure治疗, 治好; The drug cured my fever. (这种药使我退烧了。) This medicine should cure you of your cold. (这种药定会治好你的感冒。) recover也可以表示“痊愈”, 意为“恢复正常”。例如：1) I think she will recover. (我认为她会痊愈的。) 2) He almost fell ill, but quickly recovered. (他差点病到, 但很快就痊愈了。) 也可以用recovered做表语表示“痊愈, 恢复正常：Are you completely recovered from your illness? (你的病是不是完全好了？)
[注意] recover vi. 用作“痊愈”时, 句子主语通常是人。Improve 改善, 此词无“治疗”或“痊愈”之意。
本题译文：过了很长时间我手上的伤口才痊愈。
84. To get my travelers' checks I had to have the bank _____ a special check for the total amount.
        A. make up                   B. make out                   C. make for                   D. make up for
[答案] B. make out.
[注释] make out 辨别, 详见III.123.注释.
85. She said she was glad the difficulty had been _____.
   A. cleared away                            B. cleared up
   C. broken away                     D. broken down
[答案] B. cleared up.
[注释] clear up 解释, 澄清; 解决：1) I had some doubts, but now they are cleared up. (以前我有许多疑点, 但现在都解决了。) 2) The book has cleared up many difficulties for me. (这本书解决了我不少困难。) clear away 清除。详见III.32.break away 和 break down 详见Ⅲ.6,7,11.注释.
86. I used to be able to play well but I'm _____ now.
   A. out of date          &nb

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