题目列表(包括答案和解析)

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26.(04上海28)

Children under 12 years of age in that country      be under adnlt’s supervision when in a

public library. 

A. must          B.may                   D.need

答案  A

解析  句意为:未满12岁的儿童必须在成人的监督下呆在图书馆。表示“必须”时用must侧重主观,have to侧重客观。

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25.(04全国Ⅰ29)

-Isn’t that Ann’s husband over there? 

-No,it     be him.I am sure he doesn’t wear glasses.

’t         B.mustn’t       C.won’t         D.may not

答案  A

解析  考查否定的推断。can’t不可能;must not不许;won’t将不会;may not可能不。根据“I’m sure he doesn’t wear glasses(我确信他不戴眼镜)”可知,说话者的态度是:不可能是他。

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24.(04重庆29)

There are eight tips in Dr.Roger’s lecture on sleep,and one of them is:       to bed early

unless you think it is necessary. 

A.doesn’t go       B.not to go       C.to going        D.don’t go

答案  D

解析  祈使句的否定形式是在句首加don’t。

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23.(04重庆24)

“The interest      be divided into five parts,according to the agreement made by both sides,”

declared the judge.

A.may           B.should         C.must          D.shall

答案  D

解析  考查shall的习惯用法。shall与第二、三人称名词连用,表示义务,责任,决心,许诺,它可以用于条文中;should/must用于口语中。

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22.(05江苏33)

-Don’t you think it necessary that he      to Miami but to New York?

-I agree,but the problem is       he has refused to.

A.will not be sent;that              B.not be sent;that 

C.should not be sent;what            D.should not send;what

答案  B

解析  not be sent是虚拟语气,相当于should not be sent。

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21.(05江苏31)

-The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

-Oh,dear!She      a lot of difficulties!

A.may go through                 B.might go through 

C.ought to have gone through           D.must have gone through

答案  D

解析  考查“情态动词+have done”。从语境分析,表示某人一定干过某事,而且是对过去情况肯定的推测,故应用must have done。C项相当于should have done表示对对方的责备,意思是“应该做而未做”,在此不符合题意。

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20.(05安徽26)

Helen       go on the trip with us,but she isn’t quite sure yet. 

A.shall          B.must          C.may         

答案  C

解析  此题考查情态动词的用法。may表示一种可能性。如果没有具体的语境的话,B、D两项也可以选,但是意思就不同了。

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19.(05江西22)

-Tom is never late for work.Why is he absent today?

-Something      to him. 

A.must happen                     B.should have happened  

C.could have happened                 D.must have happened

答案  D

解析  本题考查情态动词的用法。must have done的意思是“一定发生了某事”。由对话所提供的情景可知:汤姆从不迟到,所以他“一定有事”。因此D项正确。

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18.(05山东34)

He paid for a seat,however,he      have entered free.

A.could          B.would            C.must        D.need

答案  A

解析  paid暗示时间上指的是过去,could have done用于肯定句中表示本可以做而未做的事情;肯定句中不用need have done; must have done与语境不吻合。

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17.(05重庆33)

I was on the highway when this car went past followed by a police car.They      at least

150 kilometers an hour.

A.should have been doing               B.must have been doing  

C.could have done                  D.would have done

答案  B

解析  must have done用于肯定句中,表示对过去事情的推测,意为“想必是,一定是”。否定句、疑问句中对过去情况的推测,要用can/could have done的形式。

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