单项填空
—I was disappointed in time when I didn’t pass the
examinations.
—Don’t be so discouraged. You’ll be
successful in
time. (2009·12·河南平顶山检测)
A./; / B. a; a C./; a D. a; /
解析:选D。句意为:——我没通过考试那段时间我很失望。——别灰心。你迟早会成功的。第一个空考查的是when 引导的定语从句,表示在某段时间里,故应用in a time。而第二个空表示“迟早”,故用in time。
10. prevent
...from
阻止;制止
The heavy rain
prevented us from going there.
这场大雨使我们没能到那里去。
易混辨析
prevent/stop/keep/protect
prevent, stop,
keep与protect四者的常见结构为:
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prevent ...(from)
doing sth.;stop ...(from) doing sth.;keep ...from doing sth.; 均表示“阻止……做某事”。
上述三个结构中,在主动语态中stop 与prevent后可省去from,但在被动语态中不可省略; 而keep
...from ...中的from在任何情况下都不能省略。另外,
protect ...from ...表示“保护……不受……侵袭;阻挡;防御”。from后接能带来伤害或损害的事物。
This plan will be
kept from being carried out.
这个计划将被阻止实施。
高手过招
单项填空
Some policemen
should be sent to them the trees.
(原创)
A. prevent; to cut
down B. stop; cutting down
C. keep; to cut
down D. keep; cutting down
解析:选B。句意为:应该派一些警察去阻止他们砍伐树木。keep/prevent/stop ... from doing sth.阻止……做某事,其中keep ...from doing sth. 中的from不可省略。故选B。
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11. break out
突发;爆发(无被动语态)
Trouble may break
out at any moment.
灾难在任何时候都可能突然发生。
When did the war
break out? 战争什么时候爆发的?
It was at midnight
that a fire broke out.
在午夜时分发生了一起大火。
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