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       A.5                       B.3                        C.1                       D.

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6.已知点O为坐标原点,点P满足,则点P到直线的最短距离为

                                                                                                                              (    )

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       A.0.9672              B.0.9706               C.0.9412              D.0.9524

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5.在标准正态总体N(0,1)中,已知,则标准正态总体在区间内取值的概率为                                                                        (    )

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4.已知等差数列等于   (    )

       A.3:2                  B.3:5                   C.2:5                  D.2:3

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       A.                   B.                      C.                     D.1

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3.已知的最小正周期是

                                                                                                                              (    )

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2.已知集合等于                                (    )

       A.4                       B.0或4                 C.0或2                D.2

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1.的值                                                                                                         (    )

       A.小于0                B.大于0                C.等于0                D.无法确定

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(2)设为非零整数,),试确定的值,使得对任意,都有成立.

 

 

 

 

 

2008年广州市高三教学质量抽测

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