0  437705  437713  437719  437723  437729  437731  437735  437741  437743  437749  437755  437759  437761  437765  437771  437773  437779  437783  437785  437789  437791  437795  437797  437799  437800  437801  437803  437804  437805  437807  437809  437813  437815  437819  437821  437825  437831  437833  437839  437843  437845  437849  437855  437861  437863  437869  437873  437875  437881  437885  437891  437899  447090 

5.下列四个函数中,图像如右图所示的只能是               (    )

   A.  

B.

  C. 

D.

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4. “”是“方程表示双曲线”的        (    )

A.充分不必要条件        B. 必要不充分条件

C. 充要条件          D. 既不充分也不必要条件

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3.已知是两条不同直线,是三个不同平面,下列命题中正确的是(    )A.       B.

C.         D.

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2.椭圆的焦点在y轴上,长轴长是短轴长的两倍,则m的值为  (    )

A.           B.       C. 2     D.4

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1.若复数为纯虚数,则实数的值为         (   )

A.      B.0        C.2       D.或2

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10.(   ) People may have different opinions about Karen,

   but  I  admire  her. ____, she  is  a  great

   musician.

   A. After all   B. As a result

   C. In other words   D. As usual

   [解析]选A after all“毕竟”;as a resuIt“结果是”;in

other words“换句话说”;as usual“像往常”。

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9. I shall stay in the hotel aIl day ____ there is

   news of the missing c hild.(2002年上海春)

   A. in case   B. nomatter

   C. in any case   D. ever since

   [解析]选A in case为连词,意为“万一,以防”。

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8.(   ) All morning as she waited for the medical report

   from the doctor, her nervousness ____. (2003

   年全国)

   A. has grown   B. is growing

   C. grew   D. had grown

   [解析]选C  根据all morning和时间状语从句中的

谓语动词,可判断出应用一般过去时。一般过去时可用于

表示过去经常或反复发生的动作。

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7.(   ) The journey around the world took the old sailor

   nine months ____ the sailing time was 226

   days. (2004 全国III)

   A. of which   B. during which

   C. ftomwhich   D. for which

   [解析]选A  根据句意,填空部分为“其中”之意。

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6.(   ) We'll be shown around the city: schools,

   museums and some other places, ____ other

   visitors seldom go. (2002  北京市)

   A. what   B. which

   C. where   D. when

   [解析]选C some other places为先行词,定语从句

中的go为不及物动词,表地点的先行词在定语从句中作

状语。

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