1. At first Bob was puzzled by Virginia's waving, butthen it _____ his mind that she was trying to tell himsomething.
A. crossed B. passed C. occurred D. opened
[答案] A. crossed.
[注释]cross one's mind 想起：
1)A sudden thought crossed my mind.
2)It never crossed my mind that he might refuse the request.(我从来没有想到他可能会拒绝这个请求。)
如用pass则应加through, 例如：
When Jane did not come home by midnight, many terrible fears passedthrough Mother's mind. (=Mother thought of many things that mighthave happened to Jane.)
occur的用法如下：
1）That view of the case did not occur to me before.(对这个案件的那种看法以前我没有想到过。)
2）It occurred to her that she might adopt a homelesschild.(她想到，她可以收养一个无家可归的孩子。)
关于“想起”的以上三种表达法考生务必弄懂熟记。这些词组和句形不仅在词汇测试中经常遇到，而且在短文写作时也可以使用。
本题译文：起初鲍玻对弗吉尼亚的挥手致意感到迷惑，但后来他想到，她想告诉他某事。
2. His job at the hospital did not pay much, so he foundanother _____.
A. on the rise B. on the spot
C. on the decline D. on the side
[答案] D. on the side.
[注释]on the side(=in addition to a main thing)额外；作为兼职：
1）He ordered a hamburger with onions and French fries on the side.(=He ordered a hamburger with onions and French fries extra.)
2)He does some house-keeping work on the side.(他帮人家做些家务活作为兼职。)
on the rise(作表语)在上升；on thespot 现场；
on the decline (做表语)在下降：The population in thecountry is on the decline. (这个国家的人口在下降。)
3. The filling station _____ because there were too manyothers on the street.
A. fell through B. went under
C. fell out D. went through
[答案] B. went under.
[注释]go under 破产，失败。fall through 也有“失败”之意，但多半指计划、想法等“落空”。
本题译文：这个加油站破产了，因为在这条街上加油站太多了。
4. Air and the sun's rays create much distortion, andwhatever tends to _____ their influence is useful to theastronomer.
A. exclude B. eliminate C. extinguish D. impose
[答案] A. exclude.
[注释]exclude 排除。extinguish扑灭；eliminate消除。
impose 把.....强加给：Don't impose your wishes on us.(不要把你的意思强加给我们。)
5. The lady who had invited us heard me telling my wifethat the dinner was terrible so I was _____.
A.confused B. nervous C.shameful D.embarrassed
[答案] D. embarrassed.
[注释]be embarrassed 感到窘迫。
6. Animals should not be locked in cages; they should bein their normal _____.
A. environment B.position C.residence D. dwelling
[答案] A. environment.
[注释]environment(=surroundings,circumstances)环境，environment作集合名词用时，只用单数形式：
We should work hard to improve our environment. (单词，不可数)
Children need a happy home environment. (单数，可数)
7. I'm sorry but what he thinks is not of the _____importance to me.
A. merest B. lowest C. last D. least
[答案] D. least.
[注释]least 是little的最高级形式。
8. He offered to _____ her a hand as the suitcase wastoo heavy for her to carry.
A. lend B. help C. show D. loan
[答案] A. lend.
[注释]lend sb. a hand给某人帮个忙。
9. I have been looking for this book for months, and_____ I have found it.
A.at least B. in no time C.at last D.at present
[答案] C. at last.
[注释]at last (=in the end)最终；at least至少；in no time 立即，马上；atpresent 目前。
10. It was the largest experiment we had ever had; it_____ six hours.
A. ended B. finished C. prolonged D. lasted
[答案] D. lasted.
[注释]last vi. (for) 持续
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