0  325414  325422  325428  325432  325438  325440  325444  325450  325452  325458  325464  325468  325470  325474  325480  325482  325488  325492  325494  325498  325500  325504  325506  325508  325509  325510  325512  325513  325514  325516  325518  325522  325524  325528  325530  325534  325540  325542  325548  325552  325554  325558  325564  325570  325572  325578  325582  325584  325590  325594  325600  325608  447090 

6.过原点且倾斜角为150°的直线被圆所截得的弦长为         (   )

    A.                          B.

     C.                         D.2

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5.已知a,b是相互不垂直的两条异面直线,下列命题中

    ①过a可做与b垂直的平面

    ②在a可做与b平行的平面

    ③过a,b外任一点可做与a,b都平行的平面

    ④存在平面α,β使aα,bβ,且α⊥β

    其中真命题的个数为                                             (   )

    A.0             B.1             C.2             D.3

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4.已知向量a=(an,2),b=(an+1),且a1=1,若数列前n项和为S1,且a∥b,则                           (   )

    A.            B.            C.            D.

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3.函数的反函数为                                (   )

    A.(>0)        B.(>0)

    C.(≠0)        D.(≠0)

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2.已知全集U=R,A=则(CuA)B=         (   )

    A.(1,+∞)                      B.

    C.(-∞,0)∪(1,+∞)            D.(-∞,0)∪

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1.复数=                                                 (   )

    A.-1            B.1             C.-i             D.i

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10. if 改为whether。考查if和whether在表“是否”时用法的区别。if不能与or not连用。

 全国卷1

 We had guests last night who have not stayed 1. _______

 in a B&B hotel ago. They did not want breakfast 2. _______

 because that they were going out early in the 3. _______

 morning. They came back lately and had some 4. _______

 tea. I came into the living room and saw one of 5. _______

 them just go through the kitchen door but turn 6. _______

 on the light. He was looking for a glass the 7. _______

 cupboard. He had no ideas that the kitchen was 8. _______

 not for guests. I just smiled to me and thought, 9. _______

 “What can I do? We are guests after all.” 10. ______

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9. depend后添加on。 “depend on”为固定短语, 指依赖、 依靠。

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8. examination system之前添加the。“examination system”此处特指下文中的“the only measure”。

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7. destroying改为destroyed。考查动词语态,“much larger values”应被摧毁。

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