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8.Not until quite recently      that language is closely related to culture.

     A.he realized      B.did he realize   C.had he realized     D.he did realize

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7.When it    air pollution, Beijing faces the three “C”s,cars,coal and construction,which lead to Beijing's thick air pollution.   

A.refers to     B.comes to     C.happens to    D.speaks to

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6.Many of     friends British people make at school remain     friends for life, so it is true that schooldays are “the best of life”.

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

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5. stomach       A. chain          B. chemistry     C. search    D. bench

第二节 单项选择(共15小题;每小题1分,满分15分)

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4. pillow       A. allow           B. shower      C. own         D. drown

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3. answer        A. plan           B. sandwich       C. branch       D. rapid

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2. exist       A. exact          B. except     C. excellent   D. explode

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第一节:单词辨音(共5小题;每小题1分,满分5分)

从A、B、C、D四个选项中,找出其划线部分与所给单词的划线部分读音相同的选项。

1. cushion      A. club           B. drug       C. future     D. push

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2.导数的几何意义.

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1.曲线的切线及切线的斜率.

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