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1、2003年普通高等学校招生全国统一考试(上海卷)数学(理工农医类)考生注意: 1答卷前,考生务必将姓名、高考准考证号、校验码等填写清楚 2本试卷共有22道试题,满分150分考试时间120分钟请考生用钢笔或圆珠笔将答案直接写在试卷上 3华东师大二附中、大同中学、格致中学考生请注意试卷最后的符号说明一填空题(本大题满分48分)本大题共有12题,只要求直接填写结果,每个空格填对得4分,否则一律得零分(1)函数的最小正周期T= .(2)若是方程2cos(xa)1的解,其中a(0,2p),则a .(3)在等差数列an中,a53,a62,则a4a5a10 .(4)在极坐标系中,定点,点B在直线rcosqr
2、sinq0上运动,当线段AB最短时,点B的坐标是 .(5)在正四棱锥PABCD中,若侧面与底面所成二面角的大小为60,则异面直线PA与BC所成的大小等于 .(结果用反三角函数值表示)(6)设集合A=x| |x|4,B=x| x24x30和a2x2b2xc20的解集分别为集合M和N,那么是“MN”的 (A)充分非必要条件(B)必要非充分条件(C)充要条件(D)既非充分又非必要条件(16)f(x)是定义在区间c,c上的奇函数,其图象如图所示.令g(x)=af(x)+b,则下列关于函数g(x)的叙述正确的是 (A)若a0,则函数g(x)的图象关于原点对称.(B)若a1,0b0且a1)的图象y=x与的
3、图象有公共点,证明:f(x)= axM;(3)若函数f(x)sink xM,求实数k的取值范围符号意义本试卷所有符号等同于实验教材符号正切、余切tg、ctgtan、cot2003年普通高等学校招生全国统一考试(上海卷)数学参考答案(理工农医类)说明 1本解答列出试题的一种或几种解法,如果考生的解法与所列解法不同,可参照解答中评分标准的精进行评分。2评阅试卷,应坚持每题评阅到底,不要因为考生的解答中出现错误而中断对该题的评阅,当考生的解答在某一步出现错误,影响了后继部分,但该步以后的解答未改变这一的内容和难度时,可视影响程度决定后面部分的给分,这时原则上不应超过后面部分应给分数之半,如果有较严重
4、的概念性错误,就不给分。一、(第1题到第12题)(1)p (2)(3)49(4) (5)arctg2(6)1,3(7)(8)(a10,0q0,得 v8,故 (2)由得B(10,5),于是直线OB方程:由条件可知圆的标准方程为:(x3)2(y1)210,得圆心(3,1),半径为设圆心(3,1)关于直线OB的对称点为(x,y),则得故所求圆的方程为(x1)2(y3)210(3)设P(x1,y1),Q(x2,y2)为抛物线上关于直线OB对称的两点,则得即x1、x2为方程的两个相异实根,于是由得故当时,抛物线y =ax21上总有关于直线OB对称的两点(22)解(1)对于非零常数T,f (x+T)=x+
5、T,Tf (x)Tx 因为对任意xR,x+T =Tx不能恒成立, 所以f (x)x M (2)因为函数f (x)=ax (a0且a1)的图象与函数y=x的图象有公共点,所以方程组: 有解,消去y得ax=x,显然x=0不是方程的ax=x解,所以存在非零常数T,使aT=T于是对于f (x)=ax ,有f (xT)=ax+T = aTax=Tax =T f (x),故f (x)=axM(3)当k=0时,f (x)=0,显然f (x)=0M当k0时,因为f (x)=sinkxM,所以存在非零常数T,对任意xR,有f (xT)= T f (x)成立,即sin(kxkT)= T sinkx因为k0时,且x
6、R,所以kxR,kxkTR,于是sinkx1,1,sin(kxkT) 1,1,故要使sin(kxkT) = Tsinkx成立,只有T=1当T1时,sin(kxk)= sinkx成立,则k=2mp,mZ当T1时,sin(kxk)= sinkx成立,即sin(kxkp) = sinkx成立,则kp =2mp,mZ,即k= (2m1) p,mZ综合得,实数k的取值范围是k | k= mp,mZ 29C91AFE4CED1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFEDD1B6C87D1B6C8
7、795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF95AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9D1B6C8795AD9C91AFE4CED1B6C8795A1AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFC91FE4CED1D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6CD1B6C8795AD9C91AFE4CED1B6C8795AD9
8、1AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF8795AD9C91FE4CED1D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C87D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF5D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFAD9C91FE4CED1B6C8795AD29C91AFB6C87
9、95AD29C91AFB6C8795AD29C91AFD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFFE4CED1B6C8795AD29C91AFC8795AD9C91FE4CED1B6C8795AD29C91AFD1B6C8795AD9C91AFED1B6C8795AD9C91AFE4CE
10、D1B6C8795AD91AFE4CED1B6C8D1B6C8795AD9C91AFE4CED1D91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFC91FE4CED1D1B6C871AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFC91FE4CED1D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6CD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795
11、AD29C91AF8795AD9C91FE4CED1D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C87D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF5D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFAD9C91FE4CED1B6C8795AD29C91AFB6C8795AD29C91AFB6C8795AD29C91AFD1B6C8795
12、AD9C91AFE4CED1B6C8795AD91AFE4CED1B6D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8791AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFC91FE4CED1D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6CD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF8795AD9C91FE4CED1D1B
13、6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C87D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF5D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFAD9C91FE4CED1B6C8795AD29C91AFB6C8795AD29C91AFB6C8795AD29C91AFD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4
14、CED1B6D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFFE4CED1B6C8795AD29C91AFC8795AD9C91FE4CED1B6C8795AD29C91AFD1B6C8795AD9C91AFED1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8D1B6C8795AD9C91AFE4CED15AD9C91D1B6C8795A
15、D9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFFE4CED1B6C8795AD29C91AFC8795AD9C91FE4CED1B6C8795AD29C91AFD1B6C8795AD9C91AFED1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8D1B6C8795AD9C91AFE4CED195AD9C91AFE4CED1B6C8795AD91AFE4CED1B6CD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795A
16、D9C91FE4CED1B6C8795AD29C91AF8795AD9C91FE4CED1D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C87D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF5D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFAD9C91FE4CED1B6C8795AD29C91AFB6C8795AD29C91AFB6C879
17、5AD29C91AFD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFFE4CED1B6C8795AD29C91AFC8795AD9C91FE4CED1B6C8795AD29C91AFD1B6C8795AD9C91AFED1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4
18、CED1B6C8D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF795AD9C91FE4CED1B6C8795ADD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF29C91AF4CED1B6C8795AD1B6C8795AD9C91AFE4CED1B6C8795AD91AFD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91
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20、91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFD1BD1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF4CED1B6C8795AD29C91AFE4CED1B6C8795ADC6F554C62