0  361273  361281  361287  361291  361297  361299  361303  361309  361311  361317  361323  361327  361329  361333  361339  361341  361347  361351  361353  361357  361359  361363  361365  361367  361368  361369  361371  361372  361373  361375  361377  361381  361383  361387  361389  361393  361399  361401  361407  361411  361413  361417  361423  361429  361431  361437  361441  361443  361449  361453  361459  361467  447090 

27.    , and the problem will be worked out..

    A.If you have a bit more effort      B.Having a little effort

    C.A bit more effort                               D.There being a little effort

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26.I can’t give you an answer right now. I’d like   more time to consider my decision.

    A.still           B.fairly          C.quite         D.a lot

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25.The main issue at the APEC meeting was a climate – change plan    by Australia’s Howard and backed by Bush.

    A.put out       B.put off        C.put away     D.put forward

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24.You may just give me a call or drop in,    will do.

    A.Either         B.All            C.Each         D.Neither

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23.Great efforts to increase grain production    if food shortages are to be avoided.

    A.could be made                                B.must be made

    C.might be made                               D.would be made

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22.I will never forget my teacher’s advice: “As long as you can affect    life of your child in an active way, you’ve been     success.”

    A./ ; the         B.a; /           C.a; the        D.the; a

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第一节:单项填空(共15小题,每小题1分,满分15分)

从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

21.--- Don’t forget to take the message to my teacher.

   ---     .

    A.Yes, I will.                      B.No, I won’t.

    C.I don’t think so                                D.Sorry, I don’t

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22.(本小题满分14分) 对函数Φ(x),定义fk(x)=Φ(xmk)+nk(其中x∈(mk

m+mk],kZm>0,n>0,且mn为常数)为Φ(x)的第k阶阶梯函数,m叫做阶宽,n叫做阶高,已知阶宽为2,阶高为3.

  (1)当Φ(x)=2x时  ①求f0(x)和fk(x)的解析式;  ②求证:Φ(x)的各阶阶梯函数图象的最高点共线;

  (2)若Φ(x)=x2,则是否存在正整数k,使得不等式fk(x)<(1-3k)x+4k2+3k-1有解?若存在,求出k的值;若不存在,请说明理由.

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