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大学英语A语法词汇
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I don't doubt _______ the stock market will recover from the economic crisis.

A、if

B、what

C、that

D、which

答案:C

解析:参考解析:宾语从句的用法。doubt在这里是动词,后面需要接宾语。关联词后面的句子成分完整,而且是一个肯定意义的句子,用that引导。此题最容易错选A项if,意思是"是否”,因为I don't doubt后面必须是一个事实,而不是一个选择项的判断句,所以排除。另外两项what和which它们引导的从句应该在句子中充当一定的句子成分,但是这个从句不缺少成分,所以排除,只能选择C。句意:我相信,股市会从现在的经济危机中复苏的。

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大学英语A语法词汇
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The output of our factory is now twice ________ it was three years ago.
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All students are eager to know ________ they will pass the exam or not.
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If the rain doesn't stop, people will be faced ________ serious flooding.
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Would you please pass me the book _______ cover is black?
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My brother brought me a few reference books, but _________ of them was of any use for my report.
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It was my father' s wish in his will that I_____become a doctor.
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______ average, the car makes 60 miles an hour.
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Professor Taylor's talk has indicated that science has a very strong ________ on the everyday life of the human society.
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For years, doctors ________ millions of patients' lives with the help of microscopes.
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When I arrived home after a hard day at work, my wife________.
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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

I don't doubt _______ the stock market will recover from the economic crisis.

A、if

B、what

C、that

D、which

答案:C

解析:参考解析:宾语从句的用法。doubt在这里是动词,后面需要接宾语。关联词后面的句子成分完整,而且是一个肯定意义的句子,用that引导。此题最容易错选A项if,意思是"是否”,因为I don't doubt后面必须是一个事实,而不是一个选择项的判断句,所以排除。另外两项what和which它们引导的从句应该在句子中充当一定的句子成分,但是这个从句不缺少成分,所以排除,只能选择C。句意:我相信,股市会从现在的经济危机中复苏的。

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大学英语A语法词汇
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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All students are eager to know ________ they will pass the exam or not.

A. if

B. that

C. whether

D. why

解析:参考解析:译文:所有学生都十分渴望知道他们能否通过这次考试。考点:连词辨析用法。解析∶根据句意可以排除选项B和D。虽然连词if和whether都有"是否"的含义,但只有whether能与or not搭配。

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If the rain doesn't stop, people will be faced ________ serious flooding.

A. about

B. by

C. with

D. to

https://www.shititong.cn/cha-kan/shiti/0005e771-70cc-2cd8-c07f-52a228da6001.html
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Would you please pass me the book _______ cover is black?

A. which

B. whose

C. that

D. its

解析:参考解析:定语从句。定语从句中连词的选择主要看连词在定语从句中作何种成分。定语从句中cover作主语,is black是系表结构,该连词在句中作定语,用来修饰cover,关系代词whose不但可以指人,还可以指物,当先行词为物时,whose+n.也可以换成the n. + of which。因此B选项合适。A项which在定语从句中作主语或者宾语,而且先行词只能是物而不能是人。C项that在定语从句中作主语或宾语其先行词可以是人也可以是物。D项是物主代词,不能引导定语从句。句意:请递给我黑色封皮的那本书好吗?

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My brother brought me a few reference books, but _________ of them was of any use for my report.

A. neither

B. none

C. either

D. all

解析:参考解析:否定代词辨析。本题中有转折连词but,根据句意判断,作者要表达的是否定意义:没有一本参考书对我的报告有用。B项none是表示三者或多者之一的否定,符合本题题意。A项neither表示否定"两者都不",C项either表示肯定"两者其中之一",而D项all表示"全部,所有",可以用在肯定句和否定句。句意:我哥哥给我买了一些参考书,但是没有一本对我的报告有用。

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It was my father' s wish in his will that I_____become a doctor.

A. should

B. would

C. might

D. could

解析:参考解析:从句子结构来看,wish在句中作表语,that I should become a doctor作wish的同位语。在表示命令、建议、要求、愿望等含有主观愿望成分的名词后的同位语从句中,谓语要用虚拟语气,其形式为:(should +.动词原形,故选A。

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______ average, the car makes 60 miles an hour.

A. With

B. At

C. On

D. In

https://www.shititong.cn/cha-kan/shiti/0005e771-70cc-1d38-c07f-52a228da6009.html
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Professor Taylor's talk has indicated that science has a very strong ________ on the everyday life of the human society.

A. motivation

B. perspective

C. impression

D. impact

解析:参考解析: [译文]泰勒教授的演讲表明:对于科学家和非科学家的日常生活,科学都具有重要影响。 A)motivation"动机";B)perspective"前景";C)impression"印象";D)impact"影响";句意明显暗示对D)项的选择。

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For years, doctors ________ millions of patients' lives with the help of microscopes.

A. have saved

B. are saving

C. will save

D. were saving

解析:参考解析:现在完成时。状语是"多年来”,指从过去某一时刻开始起一直持续到现在,是典型的用来指导完成时的标志。A项是过去完成时,其他都不是。B项是现在进行时,表示正在进行的动作,不符合。C项是将来时。D项是过去进行时,表示过去某一时刻正在进行的动作,这三项都不符合。句意:多年以来,医生们已经借助于显微镜挽救了数百万人的生命。

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When I arrived home after a hard day at work, my wife________.

A. was sleeping

B. had been sleeping

C. slept

D. has been sleeping

解析:参考解析:根据题意,可以判断应该用过去进行时,故选A。

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