2017年公共英语考试四级模拟练习题（五）

　　1. In ancient China, people used to send smoke _____ to warn that the enemy were coming.

　　A. signs B. signals C. symbols D. marks

　　答案: B

　　解析: 这个题考四个名词的比较, 其中: signs 迹象; signals 信号; symbols 象征; marks 分数.

　　2. The icy conditions made our travel dangerous. So _____ going by car we took the underground.

　　A. instead of B. in addition to

　　C. as well as D. at the cost of

　　答案: A

　　解析: instead of 代替,而不是; in addition to 除了…之外(还有); as well as 也(除…之外), 既…又…; at the cost of 以…为代价. 这道题横线后面是动名词形式,所以选项C和D首先排除.

　　3. Sometimes my job is boring, but _____ I enjoy it.

　　A. by contrast B. by nature

　　C. on the whole D. on the average

　　答案: C

　　解析: by contrast 与…相比,后面要跟with, by contrast with与…相比较; by nature 本性,生性; on the whole 总的来说; on the average 平均.

　　4. I’ll buy the clock _____ it costs.

　　A. what B. whatever C. where D. however

　　答案: B

　　解析: 不管花多少钱,我都买下这个钟.

　　5. _____ Mr.Wilson is well again, he can travel.

　　A. Now that B. So far C. Though D. Even if

　　答案: A

　　解析: Now that 既然; So far和现在完成时态连用.

　　1. He( )his previous best performance in the 1000 meters.

　　A. improves

　　B. improves on

　　C. betters

　　D. proves

　　2. I( )to interrupt a man when he’s busy working.

　　A. envy

　　B. hate

　　C. admire

　　D. improve

　　3. he was astonished( )what he found.

　　A. at

　　B. to

　　C. for

　　D. on

　　3. They made no effort to hide their amusement( )I produced a packet of sweets from my pocket.

　　A. whatever

　　B. wherever

　　C. whoever

　　D. whenever

　　4. I had hoped to get $1000 for my old car but had to( )a lot less.

　　A. settle down

　　B. settle in

　　C. settle for

　　D. settle on

　　答案　1. B2. B3. A4. D5. C