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101. Professor Smith and Professor Brown will _____ in giving the class lectures.

　A. exchange　　 B. alter　　 C. shift　　 D. alternate

[答案]D. alternate.

[注釋]alternate vt./vi. 輪流，交替發(fā)生或出現(xiàn)：Wet days alternate with fine days.(晴雨天交替更迭。)The weather today will alternate between fine and cloudy.(今天的天氣將是晴間多云。)shift般動(dòng)，移動(dòng)(vt.)；轉(zhuǎn)移到，遷移(vi.)；改變：1)Lend me a hand to shift the piano, will you?(請(qǐng)幫個(gè)忙搬一下這臺(tái)鋼琴。) 2)They have shifted away from this area.(他們已從這一地區(qū)遷走了。) 3)The candidate is constantly shifting his opinion about the problem.(這位競(jìng)選者在這個(gè)問題上不斷改變他的觀點(diǎn)。)exchange交換；exchange... for ... 用.......換......；alter(部分)修改。

100. In a typhoon, winds _____ a speed greater than 120 kilometers per hour.

A. assume B. accomplish C. attain　 D. assemble

[答案] C. attain.

[注釋] attain (=succeed in doing or getting) 達(dá)到 (目的等) ,取得 (成就等) :I hope you will attain your object, accomplish (順利) 完成。assume假定, 假設(shè), 承擔(dān)。assemble集合; 裝配。

99. Despite all the evidence to the contrary, the witness _____ that his story was true.

A. stuck out　 B. stood out　 C. kept down　 D. held up

[答案] A. stuck out.

[注釋]stick out 堅(jiān)持。詳見III.400.注釋.

98. There were no tickets _____ for Friday's performance.

A. preferable　 B. possible　 C. considerable D. available

[答案] D. available.

[注釋] available (=capable of being used; that may be obtained) 可利用的; 可以找到的：1) These tickets are available for one month. (這些票的有效期一個(gè)月。) 2) Is there a doctor available? (有否可以找到大夫？) 3) A limited number of seats are still available. (仍然還有少量座位。)

97. The rocks are very big with _____ of colors on them.

　 A. bands　　 B. marks　　 C. rails　　 D. shapes

[答案] A. bands.

[注釋] band (顏色與其余部分不同的) 條紋。Mark痕跡, 斑點(diǎn); 記號(hào), 標(biāo)記。本題是講巖石上色彩不同的“條紋”, 故用bands. rail (軌道) ,shape (形狀) ,均不合題意。

96. The continuous rain was _____ for the exceptional poor harvest

　 A. blamed　　 B. condemned　　 C. accused　　 D. charged

[答案] A. blamed.

[注釋] blame sb./sth. for ... 因.......埋怨、責(zé)怪 .......：He blames you for neglect of duty. (他責(zé)怪你玩忽職守。) condemn 譴責(zé)、判刑。Accuse sb. of控告某人犯有.......。charge sb. with控告某人犯有......。

95. The shop-assistant was straight with his customers. If an article was of _____ quality, he'd tell them so.

　 A. minor　　 B. humble　　 C. inferior　　 D. awkward

[答案] C. inferior

[注釋] inferior詳見III.400.注釋.

本題譯文：這位商店售貨員對(duì)顧客很坦率。如果貨物質(zhì)量不好, 他就把情況告訴顧客。

94. What you have done is _____ the doctor's orders.

　 A. attached to　　　　 B. resistant to

　 C. responsible to　　 D. contrary to

[答案] D. contrary to.

[注釋] (be) contrary to與.......相反, 違反 (作表語) :What you wish to do is contrary to the regulations. contrary to也可以作狀語：a. If you act contrary to the doctor's advice, you won't get well again. b. Contrary to what I thought, he has proved to be successful. 2) 作定語：The boy was swimming in a direction contrary to the current. (這男孩朝著逆流方向游去。)

93. The police refused to _____ the clues they were working on.

A. exhibit　　 B. disclose　　 C. expose　　 D. discern

[答案] B. disclose.

[注釋]disclose (=uncover; allow to be seen; make known) 透露, 使顯露： 1) The lawyer disclosed the details of the case. 2) He disclosed that he had made arrangements to buy a new car. exhibit 展覽, 展出, 顯示, expose 暴露,discern 認(rèn)出, 發(fā)現(xiàn), 辨別,識(shí)別。

本題譯文：警方拒絕透露他們正在調(diào)查的線索。

92. Driving a car without insurance can have _____ consequences.

A. uncertain B. disastrous　 C. potential　 D. unworthy

[答案] B. disastrous.

[注釋] disastrous 災(zāi)難性的。