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大学英语A语法词汇

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大学英语A语法词汇

题目内容

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单选题

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—I cannot find Tom anywhere. —He _______ have been off long. I heard him make a call just now.

A、shouldn＇t

B、can＇t

C、mustn＇t

D、needn＇t

答案：B

解析：参考解析:语境表示语气很肯定的否定判断推测:我刚才还听见他打电话了，因此他一定没走多远。用can＇t have done。shouldn＇t have done表示本不应该做某事;mustn＇t have done表示禁止做某事;而needn＇t have done指的是本来没必要做某事。

大学英语A语法词汇

The output of our factory is now twice ________ it was three years ago.

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Try not to be absent ________ class again for the rest of the term.

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I＇m going to the hospital to _____my decayed tooth pulled out.

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By the year 2060, the earth _______ twice as many people as it is today.

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My father believes that interest, as well as prospects, ________ important when one looks for a job.

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We must find a way to cut prices _________ reducing our profits too much.

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It is difficult for her to make the final decision now, _______ she is in a delicate situation.

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.-I think you have too much luggage, don＇t you?-Yes. But it＇s not easy to decide what to ______ behind.

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I regret __________ the novel to Jim because he made it very dirty.

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Food and ________ are very important to us all.

题目内容

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单选题

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大学英语A语法词汇

—I cannot find Tom anywhere. —He _______ have been off long. I heard him make a call just now.

A、shouldn＇t

B、can＇t

C、mustn＇t

D、needn＇t

答案：B

相关题目

The output of our factory is now twice ________ it was three years ago.

A. what

B. that

C. as

D. which

解析：参考解析:倍数的表达方式可以是倍数+名词，此旬中，名词是一个由what引导的名词从句，what是从句的表语，故选A。

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Try not to be absent ________ class again for the rest of the term.

A. from

B. on

C. in

D. of

解析：参考解析:固定搭配。be absent from为固定搭配，意为"缺席.…."句意:在本学期剩下的时间里，尽星不要再迟到了。

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I＇m going to the hospital to _____my decayed tooth pulled out.

A. make

B. take

C. cost

D. have

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By the year 2060, the earth _______ twice as many people as it is today.

A. will have been inhabited

B. will inhabit

C. will have inhabited

D. is going to inhabit

解析：: 句意:到2060年的时候，将有相当于现在两倍的人居住在地球上。考察动词时态。By the year 2060是By后加表示将来时间的介词短语在句中作时间状语，句子的谓语要用将来完成时态，表示到将来某个时间为止的动作。inhabit意为"居住于;栖息”，是及物动词，其后通常跟地点。如果地点作主语，要用被动语态，因此C)不对;B)和D)的时态不正确。

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My father believes that interest, as well as prospects, ________ important when one looks for a job.

A. is

B. was

C. are

D. were

解析：参考解析:主谓一致。当主语中含有由with、together with、like、except、but、no less than、as well as等词或词组构成的短语时，谓语动词与该短语前面的主语部分一致。例如，The teacher together with some students is visiting the factory. (教师和一些学生在参观工厂。)本题中空格处为that引导的宾语从句的谓语，其主语是interest，因此谓语应当用单数形式。句意:我父亲认为，在—个人找工作的时候，工作前景很重要，兴趣也很重要。

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We must find a way to cut prices _________ reducing our profits too much.

A. without

B. despite

C. with

D. for

解析：参考解析:介词辨析。前半句是说"我们需要找到一种方法，这种方法可以降低价格”，后面又说"降低太多的利润”，由此我们可以判断，此处应该是填一个否定或者是表示转折意义的词，A选项without"不会"正好符合要求。B项despite"尽管"表示让步，在文中翻译不通。C项with没有这种。D项for表目的，不可能把降低利润作为目的。句意:我们必须找到降价的方法，但这种方法不能过多的降低我们的利润。

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It is difficult for her to make the final decision now, _______ she is in a delicate situation.

A. if

B. unless

C. until

D. since

解析：参考解析:四个词中，只有since可以引导原因状语从句，表示"由于，因为"的意思，故选D。

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.-I think you have too much luggage, don＇t you?-Yes. But it＇s not easy to decide what to ______ behind.

A. turn

B. keep

C. leave