河北專升本考試英語(yǔ)練習(xí)題（三）　　

11. When Edison died, it was proposed that the Americans _______ all power in their homes, streets and factories for several minutes in honor of this great man.

　　A. turn off B. turned off C. must turn off D. must have turned off

　　【答案】A

　　【解析】考查虛擬語(yǔ)氣。句意：愛迪生去世時(shí)，有人建議美國(guó)人關(guān)掉家中、街道上和工廠里的電力供應(yīng)來(lái)紀(jì)念這位偉人。It is/was proposed that其后的從句用虛擬語(yǔ)氣，動(dòng)詞形式為“ should+動(dòng)詞原形”, should可省略。

　　12. ________ are afraid of difficulties; we are all determined.

　　A. None of us B. Not all of us C. All of us D. All of us not

　　【答案】A

　　【解析】考查不定代詞。句意：我們都下定了決心，沒(méi)人害怕困難。根據(jù)句意及后面的all可知此處應(yīng)使用表示全部否定的詞，故選A。當(dāng)句中出現(xiàn)never, neither, nothing, none, nobody, nowhere等，就表明全部否定。

　　13. The authority urged the rebellious party to ________ their arms and come back to the negotiating table.

　　A. lay over B. lay off C. lay out D. lay down

　　【答案】D

　　【解析】考查動(dòng)詞短語(yǔ)搭配。句意：當(dāng)權(quán)者強(qiáng)烈要求反抗者放下武器，重新回到談判桌前。lay over(長(zhǎng)途旅行期間)短暫停留;lay off解雇(雇員);lay out展開，鋪開，布置;lay down放下，停止使用。根據(jù)句意，選D。

　　14. ________ all of us who are here tonight, I would like to thank Mr. Smith for his speech.

　　A. On account of B. On behalf of C. For the purpose of D. Instead of

　　【答案】B

　　【解析】考查介詞短語(yǔ)辨析。句意：我謹(jǐn)代表今晚所有到場(chǎng)的人感謝史密斯先生的致辭。on behalf of代表;on account of因?yàn)?，由?for the purpose of為了……目的;instead of代替，而不是。

　　15. You cannot be ________ careful when you drive a car.

　　A. very B. so C. too D. enough

　　【答案】C

　　【解析】考查情態(tài)動(dòng)詞固定搭配。句意：你開車時(shí)越小心越好?！癱annot … too+形容詞”，表示“無(wú)論怎樣……也不過(guò)分”。

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