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1、36.二次函數(shù)y=+&X4-3在上是減函數(shù)，在［2,+oaj上是增函數(shù)，則2（答案:D37.下列等式成立的是（）A.龐十曲=運(yùn)B.C.D.答案:C38.直線+與直線2x+忙:沒有公共點(diǎn)，則I（）A.B.D0答案:A39.已知log§4log
2、51伽再=kgs125等于（）A.8B.9C.16D.25答案:A—+^-=154的兩個(gè)焦點(diǎn)分別是」和，短軸的一個(gè)端點(diǎn)為B,則的周長(zhǎng)是（）40.設(shè)橢圓C2D.3答案:A41.如果一次函數(shù)》=W'的圖象位于第二、三、四象限則"的值滿足（）A?>0-b>0B.>0±!?<
3、0C.k<9,D.k<0,b<0答案:D42.不等式I+IHW的解集是A.全體實(shí)數(shù)B.空集c.何-皿鬥｛工
4、需占一:或盂?。〥.答案:B43^°是第幾象限角？（）A.第一象限B.第二象限C.第一象限或第二象限D(zhuǎn).不屬于任何象限答案:D44.sin60"-4-tan45"-亡x30'A.1B.2C.3D.4答案:A1+21+…1+2"…45.數(shù)列的第8項(xiàng)為A.129B.130C.65D.257答案:D46.方程x+2y=1的解有（）A.0個(gè)B.1個(gè)C.2個(gè)D.無數(shù)個(gè)答案:D47.答案:D48.V3sin45
5、*+2cos30*-tan6CT-2cot30'()A.—2/3C.D.答案:D/r右?軸上的截距是49.傾角是，2擊孑+6_y+弭5=0的直線方程是（A.B.D.12=0答案:B50.等差數(shù)列空］='?譜wo=27,則說n=54.在下列各式中，正確的是A.A.16B.32C.11D.22答案:A，則51.函數(shù)是偶函數(shù)，，已知A.B.C.或D.以上都不對(duì)答案:C，則52.設(shè)集合A.{4,5,6B.{2,4,6C.{2,4,5,6D{1,2,3,4,5,6答案:C53.()A.B.C.D.答案:A54.在
6、下列各式中，正確的是A.答案:B，則,則50.等差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或D.以上都不對(duì)答案:C52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2,4,5,6D.{1,2,3,4,5,6答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或D.以上都不對(duì)答案:C，則,則52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2
7、,4,5,6D.{1,2,3,4,5,6答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或D.以上都不對(duì)答案:C，則,則52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2,4,5,6D.{1,2,3,4,5,6答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或
8、D.以上都不對(duì)答案:C，則,則52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2,4,5,6D.{1,2,3,4,5,6答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或D.以上都不對(duì)答案:C，則,則52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2,4,5,6D.{1,2,3,4,5,6答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等
9、差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或D.以上都不對(duì)答案:C，則,則52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2,4,5,6D.{1,2,3,4,5,6答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或D.以上都不對(duì)答案:C，則,則52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2,4,5,6D.{1,2,3,4,5,6
10、答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等差數(shù)列A.16B.32C.11D.22答案:A51.函數(shù)是偶函數(shù),,已知A.B.C.或D.以上都不對(duì)答案:C，則,則52.設(shè)集合,則A.{4,5,6B.{2,4,6C.{2,4,5,6D.{1,2,3,4,5,6答案:C53.A.B.C.D.答案:A54.在下列各式中,正確的是A.答案:B50.等差數(shù)列A.16B.32C.11D.22答案:A
