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1、若复数是纯虚数(是虚数单位),则的值为(   )

  A.       B.      C.       D.

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88. --When did it begin to snow?   --It started ____ the night.

A. during  B. by  C. from  D. at

A  考查介词表示时间的用法。during the night的意思为“在晚上的某个时间”。

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87.--The weather is too cold ____ March this year.  -It was still ____when I came here years ago.

  A. for; colder  B. in; cold  C. in; hot  D. for; hotter

A  本题考查考生运用介词和比较级的能力。for在这里是“就……而言”的意思,而第二个选项要抓住信息词still在此处的妙用,它是用来修饰比较级的,加上上文的cold,在此处就不难选择colder了。

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86. --What should I wear to attend his wedding party?  --Dress ____ you like.

A. what  B. however  C. whatever  D. how

本题however you like相当于in whatever way you like,根据语境,不难判断出B为正确答案。

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85. He is only too ready to help others, seldom, ____, refusing them when they turn to him.

A. if never B. if ever C. if not D. if any

B  本题考查考生在语境中灵活运用、辨析短语用法的能力,此处seldom,if ever是一个短语,是“从不,决不”的意思。

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84.It is what you do rather than what you say______matters. (2005天津卷)

A. that   B. what  C. which   D. this 

分析:答案是A。由语境和句子结构可知,该句为强调句型,被强调部分是由rather than连接的并列主语从句担当。

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83.I think the doctor is able to care of _____ is the matter with your son .

A. all  B. what   C. whatever   D. anything

答案是C项。whatever具备两个意思,其一是no matter what , 引导让步状语从句;其二是anything that , 引导名词性从句,在本题中,Whatever 引导的是一个宾语从句,whatever在这个宾语从句被用作主语。

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82.Let us not waste ______ time we have left .

the little   B. little    C. a little    D. a little more

答案是A项,一般地说,不定代词many , little或few前是不许使用定冠词的,但是如果它们修饰的名词有特指或限定意义时,它们前面就应使用定冠词了。如:I soon finished the few books she had lent me . (她借给我的那几本书,我很快就看完了。)又如:We must make full use of the contradictions among the enemies , winning over the many and opposing the few . (我们必须充分利用敌人的内部矛盾,争取多数,反对少数。)

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81.Do you consider it any good _____ the truck again ?

A. to repair     B. repairing    C. repaired    D. being repairing

答案是B项。在这个句子中it是形式宾语,如果这样的句子中出现了any good , no good , any use 或 no use,就该使用动名词来作句中真正的宾语。

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80.We're leaving at six o'clock , and hope _____ most of the journey by lunch time .

A. to do     B. to have done     C. to make     D. to have made

答案是B项。要答对这道题需要两方面的知识。一是不定式的完成体用来表示这个动作发生在谓语动作之前,或是表示该动作的完成。本题中的不定式的完成体表示的正是该动作的完成,因此这句话可改写为:We're leaving at six o'clock , and hope that we will have done most the journey by lunch time . (我们将在六点时动身,希望在午饭前走完大半路程。)第二,知识是与journey连用的不同的动词所具有的不同的内涵。词组to make a journey或to go on a journey 都表示"做一次旅行",在这两个词组里a journey是一个整体,但是如果要表示旅程中的一部分,正确的英语则使用do这个动词,例如:do some / much / most of the journey (走完这个旅程的一部分/大部分/绝大部分)

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