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7.設雙曲線的虛軸長為2,焦距為,則雙曲線的漸近線方程為

A.    B.     C.     D.

試題詳情

6.函數的單調遞增區(qū)間是( )

A.    B.     C.     D.

試題詳情

5.函數與函數的圖象關于(  )

A.軸對稱     B.軸對稱     C.直線對稱    D.原點對稱

試題詳情

4.下列函數中,與函數有相同定義域的是( )

A.    B.    C.    D.

試題詳情

3.設,則“”是“”的( )

A.充分不必要     B.必要不充分      C.充要     D.既不充分也不必要

試題詳情

2.已知函數,則的值為(   )

A.1         B.2        C.-1       D.-2 

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1.已知集合,,則( )

A.      B.     C.    D.        

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10. -- How do you ____ we go to Beijing for our

   holidays?

   -- I think we'd better fly there. It's much more

   comfortable. (2004福建)

   A. insist   B. want

   C. suppose   D. suggest

   [解析]選A  本題考查insist表示“堅持”時所帶的

賓語從句用虛擬,即:insist that sb. (should) do sth. 所以

本題選A。

試題詳情

9. -- Don't you think it necessary that he ____ to

   Miami but to New York?

   -- I agree, but the problem is ____ he has

   refused to. (2005  江蘇)

   A. will not be sent; that

   B. not be sent; that

   C. should not be sent; what

   D. should not send; what

   [解析]選B  本題既考查了虛擬語氣的用法,又考

查了表語從句的用法。由necessary引導的主語從句或賓

語從句,需要用shouId do,而他是要“被派往”邁阿密,所以

第一空用(should)not be sent,而第二空在be動詞之后需

要用一個表語從句,由于句子結構完整,所以用that。

試題詳情

8.(   ) If I ____ plane to do anything I wanted to, I'd

   like to go to Tibet and travel through as much of

   it as possible. (2005湖北)

   A. would   B. could

   C. had to   D. ought to

   [解析]選B  本題考查if引導的虛擬語氣結構。從

I'd like to go...判斷,本句為與現在事實相反,故選B。

試題詳情


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