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26.-Did Alan enjoy seeing his old friends yesterday? ?

    -Yes, he did.He ______ his.Old friends for a long time.

    A.didn't see               B.hadn’t seen

    C.hasn't seen              D.wouldn’t see

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25.The book will be given to _____ wins the first prize.

    A.anyone    E.who        C.whoever                 D.whomever

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24.I will pay you double if you _____the work finished by Friday.

    A.will.get       B.get        C.got                   D.are getting

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23.Your floor is dirty.It needs _____.

    A.cleaning                    B.to clean     C.clean         D.cleaned

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22.The road is covered with snow.I can't understand      they insist on going by motor-bike.

    A.when       B.why        C.whether    D.how

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第一节:语法和词汇知识(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.In many places in China, _____ bicycle is still _____ popular means of transportation.

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

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22.(本小题满分14分)

    设分别是椭圆的左、右焦点,过的直线与E相交于A、B两点,且成等差数列。

  (Ⅰ)求

  (Ⅱ)若直线的斜率为1,求的值。

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21.(本小题满分12分)

    已知函数处都取得极值。

  (Ⅰ)求的值;

  (Ⅱ)求的单调区间及极大值、极小值。

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