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】考查虚拟语气。句意:爱迪生去世时,有人建议美国人关掉家中、街道上和工厂里的电力供应来纪念这位伟人。It is/was proposed that其后的从句用虚拟语气,动词形式为“ should+动词原形”, 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】考查不定代词。句意:我们都下定了决心,没人害怕困难。根据句意及后面的all可知此处应使用表示全部否定的词,故选A。当句中出现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】考查动词短语搭配。句意:当权者强烈要求反抗者放下武器,重新回到谈判桌前。lay over(长途旅行期间)短暂停留;lay off解雇(雇员);lay out展开,铺开,布置;lay down放下,停止使用。根据句意,选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】考查介词短语辨析。句意:我谨代表今晚所有到场的人感谢史密斯先生的致辞。on behalf of代表;on account of因为,由于;for the purpose of为了……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】考查情态动词固定搭配。句意:你开车时越小心越好。“cannot … too+形容词”,表示“无论怎样……也不过分”。
免责声明:本站所提供试题均来源于网友提供或网络搜集,由本站编辑整理,仅供个人研究、交流学习使用,不涉及商业盈利目的。如涉及版权问题,请联系本站管理员予以更改或删除。