单选题

　　1、The room was quiet, ______ the occasional coughing from my throat.

　　A、in case

　　B、except for

　　C、by far

　　D、instead of

　　正确答案： B

　　答案解析： 本题考查介词短语意义区分。【译文】 这个房间很安静，除了偶尔从我喉咙里发出的咳嗽声以外。 A 以免、以防万一 B 除了…以外 C 到目前为止 D 代替

　　2、The profit-sharing plan is designed to ______ the staff to work hard.

　　A、calculate

　　B、demonstrate

　　C、speculate

　　D、motivate

　　正确答案： D

　　答案解析： 本题考查词语辨析。【译文】利润共享计划目的是激发员工努力工作。A 计算、估算 B 证实、论证、演示 C思索、推测 D 激励、激发

　　3、【完成句子】Did you know that before 1950, hurricanes had no names? They were simply given numbers. The first names were simply Alpha, Bravo, Charlie, etc. but in 1953, females names were given because of the unpredictability(不可预知)factor of the storms. In 1979, realizing the sexist(性别歧视的)nature of such names, the lists were expanded to include both men and women.

　　The main consideration of using males and females’ names for hurricanes is __________.

　　A、the timely(及时的)discover

　　B、its uncertainty

　　C、sex equality

　　D、its connection with humans

　　正确答案： C

　　答案解析： 依靠原文(利用(male, female)names作为答案线索词)中最后一句判断答案为C(与性别有关)。

　　4、In order to follow fashions, the girl has to ______ great discomforts.

　　A、catch up with

　　B、put up with

　　C、keep up with

　　D、fall in with

　　正确答案： B

　　答案解析： 本题考查短语辨析。【译文】为了跟随时尚，这个女孩不得不忍受极度地不舒适。put up with：忍受。catch up with：追上，赶上。keep up with：和...保持联系。fall in with：偶然遇到，赞同。

　　5、【完成句子】Lightning is generated when electrical charges separate in rain clouds, though processes are still not fully understood. Typically, positive charges(正电荷) build at the cloud top, while the bottom becomes negatively charged(负电荷的). In most instances of cloud-to-ground lightning, the negatively charged lower portion of the cloud repels negatively charged particles on the ground’s surfaces, making it become positively charged. The positive charge on the ground gathers at elevated points.

　　In most cases of cloud-to-ground lightning, the ground’s surface__________.

　　A、is positively charged

　　B、is shifted sideways by strong winds

　　C、is negative charged

　　D、is changed from positively charge to negative charge

　　正确答案： A

　　答案解析： 本段文字解释了云层与地面之间的闪电的成因，云层下部带负电荷，排斥地面表层的负电荷，所以地面表层聚集的是正电荷。答案为A。