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第12天 prevent…from和break out
高考频度：★★★☆☆
难易程度：★★☆☆☆
1. (2014·江苏改编) During this period Dale was slowly developing an inferiority complex (自卑感), which his mother knew could him from achieving his real potential. A. prevent free
【参考答案】A
B. protect
C. save
D.
【拓展延伸】
prevent sb/sth from doing sth 防止某人/物做某事 keep sb from doing sth 阻止某人做某事 stop sb (from) doing sth 阻止某人做某事 protect sb from (doing) sth 保护某人不受……伤害
【特别提醒】
(1)在主动语态中，prevent，stop和protect的搭配中可省去from；而keep...from doing sth中的from不可省略，keep sb doing sth 意为＂使某人一直做某事＂。Zxx.k (2)在被动语态里，这四个搭配中的from均不可省略。
2. The boy was so careless that the glass fell from his hand and it__________on the floor.
A.broke in 【参考答案】C
【试题解析】break in意为＂闯入,打断,插嘴＂;break down意为＂(机器等)出故障,崩
B.broke down
C.broke up
D.broke out
溃＂;break up意为＂ 打碎,(关系)破裂,结束＂;break out意为＂爆发,突然发生＂。根据语意＂玻璃杯从他手中掉落到地板上摔 碎了＂可知答案是C项。 【拓展延伸】
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break的相关短语：
break up 散会，解散；结束（关系）；打碎；（学校）放假 break down出故障； 坏掉；失败；垮掉 break in破门而入； 打断(谈话等)
break into强行闯入； 突然……起来 break out (战争、火灾等)爆发；发生 break away from脱离； 挣脱 break through克服； 突围；突破
1. Since it is begun, no one can prevent the plan ____________.
A. from carrying out C. being carried out
B. to be carried out
D. to carry out
2. We must do whatever we can to ________ the river being polluted any more.
A. separate C. prevent
B. keep D. guard
3. It is not until in a desperate situation that the best quality of a person will__________.
A. set out C. come out
B. break out
D. work out
4. When the peace talk broke down, there was fear that war may ________ anytime.
A. break off C. break out
B. break up D. break down
5. Old-fashioned phones matter when wireless networks _________ in disasters.
A. turn down C. break out
B. turn out D. break down
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2. C【解析】句意：我们必须采取一切措施来阻止河流继续受到污染。keep…from和prevent…from都有“阻
止……做某事”的意思，但keep…from中的from不能省略。separate“把……分开”；
guard“保卫， 看守”。故选C。
3. C【解析】句意：直到绝境时，一个人最好的品质才会表现出来。 set out出发，开始；break out爆发， 突发；come out出现，结果是；work out解决，计算出。故选C。
4. C【句意】句意：和谈失败了，人们担心战争可能随时爆发。这里用break out表示“爆发，发生”。 5. D【解析】句意：在灾难中，当无线网络出故障时，老式的电话意义重大。turn down“调小（声音），拒
绝（提议）”；turn out最后结果是；break out爆发，突然发生；break down停止
转动，出现故障。
你学会了吗？你觉得难点在哪里？
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2020高中英语每日一题之快乐暑假第12天prevent...from和break+out(含解析)
