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1、2019 高考全国卷金优数学（理）模拟卷一1、设全集|0UxR x,函数1ln1fxx定义域为A,则为()A.(0,eB.0,eC.,eD.e,)2、某学校高二年级共有526 人,为了调查学生每天用于休息的时间,决定抽取10%的学生进行调查;一次数学月考中,某班有 10 人在 100 分以上,32 人在 90100 分,12 人低于 90分,现从中抽取9 人了解有关情况;运动会工作人员为参加4 100?m接力赛的6 支队伍安排跑道.就这三件事,恰当的抽样方法分别为()A.分层抽样、分层抽样、简单随机抽样B.系统抽样、系统抽样、简单随机抽样C.分层抽样、简单随机抽样、简单随机抽样D.系统抽样、分
2、层抽样、简单随机抽样3、我国南北朝时的数学著作张邱建算经 有一道题为:“今有十等人,每等一人,宫赐金以等次差降之,上三人先入,得金四斤,持出,下三人后入得金三斤,持出,中间四人未到者,亦依次更给,问各得金几何?”则在该问题中,等级较高的二等人所得黄金比等级较低的九等人所得黄金()A.多1斤B.少1斤C.多13斤D.少13斤4、不等式组11xyxy表示的平面区域内整点的个数是()A.0 B.2 C.4 D.5 5、设四边形ABCD为平行四边形,6AB,4AD.若点,M N满足3BMMC,2DNNC,则AM NM()A.20 B.15 C.9 D.6 6、一个四棱锥的三视图如图所示(其中主视图也叫
3、正视图,左视图也叫侧视图),则这个四棱锥中最最长棱的长度是()A.2 2B.4C.2 3D.2 67、当输人的实数2,30 x时,执行如图所示的程序框图,则输出的x不小于103的概率是()A.914B.514C.37D.928文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X
4、6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X
5、9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2
6、D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P
7、6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y
8、9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:C
9、K2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A28、已知定义在R上的奇函数f()x满足
10、(2)()f xef x(其中2.7182?e),且在区间,2 ee上是减函数,令ln 2ln 3ln 5,235abc,则(),(),()f af bf c的大小关系(用不等号连接)为()A.()()()f bf af cB.()()()f bf cf aC.()()()f af bf cD.()()()f af cf b9、设函数61,0,0,xxfxxx x则当0 x时,ffx表达式的展开式中常数项为()A.20B.20C.15D.1510、在四面体ABCD中,BCD与ACD均是边长为4的等边三角形,二面角A CDB的大小为60,则四面体ABCD外接球的表面积为()A.2089B.529
11、C.643D.52311、设12,F F是双曲线22221(0,0)xyabab的左、右焦点,若双曲线右支上存在一点P,使220OPOFF P(O为坐标原点),且123PFPF,则双曲线的离心率为()文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X
12、9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2
13、D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P
14、6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y
15、9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:C
16、K2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT
17、2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2A.212B.21C.312D.3112、已知函数()xf xe
18、axb,若()0f x恒成立,则ab的最大值为()A.eB.2eC.eD.2e13、已知i是虚数单位,1zi,z为z的共轭复数,则复数2zz在复平面内对应的点的坐标为_.14、抛物线22(0)ypx p的焦点为F,准线为l,A B是抛物线上的两个动点,且满足3AFB.设线段AB的中点M在l上的投影为N,则MNAB的最大值是 _.15、已知数列na满足:1112,2,nnnnna aaaaaa*()nN若33a,则1a_ 16、设函数cos06fxx,若4fxf对任意的实数x都成立,则的最小值为 _ 17、已知在ABC中,角,A B C的对边分别为,a b c,且coscos2 3 sin3si
19、nBCAbcC1.求b的值。2.若cos3sin2BB求ac的取值范围文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT
20、2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI1
21、0Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码
22、:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8
23、HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 Z
24、I10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档
25、编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A218、如图,在四棱锥PABCD中,四边形ABCD为平行四边形,PD平面ABCD,DPDC,E是PC的中点,过点D作DFPB交PB于点F.1.求证:PA平面BDE;2.若ADBD,求证:PCDF;
26、3.若四边形ABCD为正方形,在线段PA上是否存在点G,使得二面角EBDG的平面角的余弦值为13?若存在,求PGGA的值;若不存在,请说面理由.19、已知椭圆2222:10 xyCabab的离心率为12,直线:24lxy+=与椭圆有且只有一个交点T.1.求椭圆C的方程和点T的坐标;2.O为坐标原点,与OT平行的直线l与椭圆C交于不同的两点,?A B,直线l与直线l交于点P,试判断2|PTPAPB是否为定值,若是请求出定值,若不是请说明理由.20、2.5PM是指大气中直径小于或等于2.5微米的颗粒物,也称为可入肺颗粒物.我国2.5PM标准采用世卫组织设定的最宽限值,即2.5PM日均值在35微克/
27、立方米以下空气质量为一级;在35微克/立方米75微克/立方米之间空气质量为二级;在75微克/立方米以上空气质量为超标,某试点城市环保局从该市市区2011年全年每天的2.5PM监测数据中随机的抽取15天的数据作为样本,监测值如茎叶图所示(十位为茎,个位为叶)1.从这15天的2.5PM日均监测数据中,随机抽出三天,求恰有一天空气质量达到一级的概率;文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码
28、:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8
29、HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 Z
30、I10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档
31、编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O
32、8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3
33、 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2
34、文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A22.从这15天的数据中任取三天数据,记表示抽到2.5PM监测数据超标天数,求的分布列;3.以这15天的2.5PM日均值来估计一年的空气质量情况,则一年(按360天计算)中平均有多少天的空气质量达到一级或二级21、已知函数2(1)ln1.fxaxax1.讨论函数f()x的单调性;2.设1a,若对任意12,0,x x,恒有12124fxfxxx,求a的取值范围.22、在直角坐标系xOy中,直线l的参数方程为5cossinxtyt,(l为参数,为直线倾斜角).以平面直角坐标系的原点为极点,x轴的正半轴为极轴,建立极坐标
35、系,曲线C的极坐标方程是4cos.1.当45时,求直线l的普通方程与曲线C的直角坐标方程;2.已知点C的直角坐标为(2,0)C,直线l与曲线C交于,?A B两点,当ABC面积最大时,求直线l的普通方程.23、选修 4-5:不等式选讲已知函数()53f xxx.1.解关于x的不等式()1f xx;2.记函数f()x的最大值为m,若0,0,ab44ababmeee,求ab的最小值.答案以及解析1 答案及解析：答案：A 解析：全集|0UxR x,函数1ln1fxx的定义域为A,|Ax xe文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O
36、8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3
37、 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2
38、文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D
39、6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4
40、N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5
41、A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T
42、6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2.2 答案及解析：答案：D 解析：中总体容量较多,抽取的样本容量较大,用系统抽样比较恰当;中考试成绩各分数段之间的同学有明显的差异,应按分层抽样比较恰当;中个体较少,按简单随机抽样比较恰当.3 答案及解析：答案：C 解析：4 答案及解析：答案：D 解析：不等式组11xyxy变形为1111xyxy,即1111xyxyxyxy作出其平面区域如图.可见其整点有:1,00,10,0
43、1,0,和1,0共五个.文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文
44、档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6
45、O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N
46、3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A
47、2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6
48、D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q
49、4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A25 答案及解析：答案：C 解析：34AMABAD，1143NMCMCNADAB所以114343412AMNMABADABAD221116916369 1694848ABAD，选 C.考点：平面向量.6 答案及解析：答案：A 解析：7 答案及
50、解析：答案：A 解析：利用程序框图确定输出值的范围,结合几何概型的概率公式求解.改程序框图共运行3 次,输出的x的范围是24,247,所以输出的x不小于 103 的概率为24710314492472322414.8 答案及解析：答案：A 解析：fx是R上的奇函数,满足2fxefx,2.fxefxfx的图象关于直线xe对称.fx在区间,2 ee上是减函数,fx在区间0,e上是增函数.文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4N3 ZI10Y9X9I5A2文档编码:CK2D2T6D6O8 HT2P6X6Q4