1. Probability is the mathematical study of the _____ of an event's occurrence.

　　A. desire B. likelihood C. result D. effect

　　[答案] B. likelihood

　　[注释] 句意：概率是对事件发生的可能性的数学研究。

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

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

　　[答案] B. disastrous.

　　[注释] disastrous 灾难性的。

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

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

　　[答案] B. disclose.

　　[注释]disclose (=uncover; allow to be seen; make known) 透露, 使显露： 1) The lawyer disclosed the details of the case. 2) He disclosed that he had made arrangements to buy a new car. exhibit 展览, 展出, 显示, expose 暴露,discern 认出, 发现, 辨别,识别。

　　本题译文：警方拒绝透露他们正在调查的线索。

　　4. 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.

　　[注释] (be) contrary to与.......相反, 违反 (作表语) :What you wish to do is contrary to the regulations. contrary to也可以作状语：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) 作定语：The boy was swimming in a direction contrary to the current. (这男孩朝着逆流方向游去。)

　　5. 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

　　[注释] inferior详见III.400.注释.

　　本题译文：这位商店售货员对顾客很坦率。如果货物质量不好, 他就把情况告诉顾客。

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

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

　　[答案] A. blamed.

　　[注释] blame sb./sth. for ... 因.......埋怨、责怪 .......：He blames you for neglect of duty. (他责怪你玩忽职守。) condemn 谴责、判刑。Accuse sb. of控告某人犯有.......。charge sb. with控告某人犯有......。

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

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

　　[答案] A. bands.

　　[注释] band (颜色与其余部分不同的) 条纹。Mark痕迹, 斑点; 记号, 标记。本题是讲岩石上色彩不同的“条纹”, 故用bands. rail (轨道) ,shape (形状) ,均不合题意。

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

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

　　[答案] D. available.

　　[注释] 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. (这些票的有效期一个月。) 2) Is there a doctor available? (有否可以找到大夫?) 3) A limited number of seats are still available. (仍然还有少量座位。)

　　9. 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.

　　[注释]stick out 坚持。详见III.400.注释.

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

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

　　[答案] C. attain.

　　[注释] attain (=succeed in doing or getting) 达到 (目的等) ,取得 (成就等) :I hope you will attain your object, accomplish (顺利) 完成。assume假定, 假设, 承担。assemble集合; 装配。