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       A.                      B.                      C.2                        D.3

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8.設(shè)OABC內(nèi)部一點(diǎn),且,則AOC的面積與BOC的面積之比為                        (    )

試題詳情

7.若則θ角的終邊在                                               (    )

       A.第一象限            B.第二象限            C.第三象限            D.第四象限

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6.若“pq”與“┐pq”均勻假命題,則                                                       (    )

       A.pq假             B.pq 真            C.pq 均真         D.pq均假

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5.已知y = f (x)與y = g (x)的圖象(    )

       A.關(guān)于直線x + y = 0                              B.關(guān)于直線xy = 0對(duì)稱(chēng)

       C.關(guān)于y軸對(duì)稱(chēng)                                     D.關(guān)于原點(diǎn)對(duì)稱(chēng)

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4.設(shè)數(shù)列{an}是公比為aa≠1),首項(xiàng)為b的等比數(shù)列,Sn是其前n項(xiàng)和,對(duì)任意的,點(diǎn)在                                                                          (    )

       A.直線y = ax + b上                               B.直線y = axb

       C.直線y = bx + a上                               D.直線y = bxa

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       A.                    B.            C.              D.

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3.若,則用a表示cos10°的結(jié)果為                                                   (    )

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       A.(0,3)             B.(1,3)              C.              D.

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2.已知函數(shù)滿(mǎn)足:對(duì)任意實(shí)數(shù)x1x2,當(dāng)時(shí),總有,那么實(shí)數(shù)a的取值范圍是                                                               (    )

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