0  421736  421744  421750  421754  421760  421762  421766  421772  421774  421780  421786  421790  421792  421796  421802  421804  421810  421814  421816  421820  421822  421826  421828  421830  421831  421832  421834  421835  421836  421838  421840  421844  421846  421850  421852  421856  421862  421864  421870  421874  421876  421880  421886  421892  421894  421900  421904  421906  421912  421916  421922  421930  447090 

27.----- Did Mary come to the party?

   ------ I don’t know.She _______ while I was out.

    A.may have come                B.must have come 

    C.might come                    D.could come    

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26.I haven’t seen ____ of her films, but _____ from the one I have seen recently, I think she’s a

    promising actress.

    A.any, judging     B.both, judging                   C. either, judged     D. none, judged

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25.     her leg was wounded, she     up the stairs.

    A.In spite of; managed to get        B.In spite of; succeeded getting

    C.Although; managed getting        D.Although; managed to get

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24.If you live in the country or have ever visited there, ___ are that you have heard birds singing to welcome the new day. 

    A.situations     B.facts     C.chances       D.possibilities

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23.This is the second time Nie Haisheng ______ to be the astronaut who took the glorious task.

    A.has been chosen                B.had been chosen  

    C.was chosen                   D.chose

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22.This _____ girl is Linda’s cousin..

    A.pretty little Spanish        B.Spanish little pretty 

    C.Spanish pretty little        D.little pretty Spanish

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第一节:单项填空;共15小题;每小题1分,满分15分

21.Expo 2010 Shanghai will offer ___ wonderful opportunity for ___ cross-cultural dialogues.

    A.a , 不填      B.a;  the      C.不填; the       D.the, 不填

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22.(本小题满分14分)

    已知曲线上一点作一斜率为的直线交曲线于另一点,点列的横坐标构成数列,其中

  (I)求的关系式;

  (II)令,求证:数列是等比数列;

  (III)若(λ为非零整数,),试确定λ的值,使得对任意.都有cn+1>cn成立。

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21.(本小题满分12分)

    已知函数,其中为实常数。

  (1)当时,恒成立,求的取值范围;

  (2)求函数的单调区间。

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