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

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

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

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

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

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

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

　　A. attached to　　B. resistant to

　　C. responsible to　　D. contrary to

　　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

　　參考答案&解析：

　　1、B.likelihood　 句意：概率是對(duì)事件發(fā)生的可能性的數(shù)學(xué)研究。

　　2、B.disastrous　disastrous 災(zāi)難性的。

　　3、B.disclose　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。

　　4、D.contrary to　(be) contrary to與.......相反, 違反 (作表語(yǔ)) :What you wish to do is contrary to the regulations. contrary to也可以作狀語(yǔ)：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(yǔ)：The boy was swimming in a direction contrary to the current. (這男孩朝著逆流方向游去。)

　　5、C.inferior