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2017年公共英語四級單項選擇精彩解析
A little learning is a dangerous thing. 以下是小編為大家搜索整理的2017年公共英語四級單項選擇精彩解析，希望能給大家?guī)韼椭?更多精彩內(nèi)容請及時關(guān)注我們應(yīng)屆畢業(yè)生考試網(wǎng)!
1. Everyone is busy _____ the examination in the classroom.
A. with B. for C. on D. under
答案： A
解析： 注意幾個固定搭配： be busy (in) doing sth 忙于做…; be busy with sth 忙于…; busy oneself (in) doing sth 忙于做……; busy oneself with sth 忙于……。
2. I suppose you couldn’t let me borrow your car this evening, _____?
A. couldn’t I B. don’t I
C. could you D. will you
答案：C
解析：suppose 后面的從句中為否定式couldn’t，而主句為肯定式，這是否定后移的用法，后面的反意疑問句要根據(jù)從句而定，故反意疑問句用肯定式could you。
3. Smoking is not good _____ you because it can affect your health.
A. for B. at C. to D. on
答案： A
解析： be good for… 對…有好處; be good at… 善長于…。
4. Henry and Bady _____ to the parties at the Trade union every Saturday.
A. are used to go B. use to go
C. used to go D. were used to go
答案： C
解析： be used to do… 被用于做…; used to do… 過去常常…。
5. _____ , the inhabitants fled.
A. The city taken B. The city having been taken
C. Having taken the city D. The city being taken
答案： B
解析： 獨(dú)立主格結(jié)構(gòu)。
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: 這個題考四個名詞的比較, 其中: signs 跡象; signals 信號; symbols 象征; marks 分?jǐn)?shù).
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(還有); as well as 也(除…之外), 既…又…; at the cost of 以…為代價. 這道題橫線后面是動名詞形式,所以選項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 與…相比,后面要跟with, by contrast with與…相比較; by nature 本性,生性; on the whole 總的來說; 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: 不管花多少錢,我都買下這個鐘.
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和現(xiàn)在完成時態(tài)連用.
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