2005年高考上海卷数学文试题与解答word版

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2005年普通高等学校招生全国统一考试(上海卷)数学(文史类)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、函数的反函数=_。2、方程的解是_。3、若满足条件,则的最大值是_。4、直角坐标平面中,若定点与动点满足,则点P的轨迹方程是_。5、函数的最小正周期T=_。6、若,则=_。7、若椭圆长轴长与短轴长之比为2,它的一个焦点是,则椭圆的标准方程是_。8、某班有50名学生,其中15人选修A课程,另外35人选修B课程。从班级中任选两名学生,他们是选修不同课程的学生的概率是_。(结果用分数表示)9、直线关于直线对称的直线方程是_。10、在中,若,AB=5,BC=7,则AC=_。11、函数的图象与直线有且仅有两个不同的交点,则的取值范围是_。12、有两个相同的直三棱柱,高为,底面三角形的三边长分别为。用它们拼成一个三棱柱或四棱柱,在所有可能的情形中,全面积最小的是一个四棱柱,则的取值范围是_。二、选择题(本大题满分16分)本大题共有4题,每题都给出代号为A、B、C、D的四个结论,其中有且只有一个结论是正确的,必须把正确结论的代号写在题后的圆括号内,选对得4分,不选、选错或者选出的代号超过一个(不论是否都写在圆括号内),一律得零分。13、若函数,则该函数在上是( )A单调递减无最小值 B单调递减有最小值C单调递增无最大值 D单调递增有最大值14、已知集合,则等于( )A BC D15、条件甲:“”是条件乙:“”的( )A既不充分也不必要条件B充要条件 C充分不必要条件 D必要不充分条件16、用个不同的实数可得到个不同的排列,每个排列为一行写成一个行的数阵。对第行,记,。例如:用1,2,3可得数阵如图,由于此数阵中每一列各数之和都是12,所以,那么,在用1,2,3,4,5形成的数阵中,等于( )A3600 B1800 C1080 D720三、解答题(本大题满分86分)本大题共有6题,解答下列各题必须写出必要的步骤。17、(本题满分12分)已知长方体中,M、N分别是和BC的中点,AB=4,AD=2,与平面ABCD所成角的大小为,求异面直线与MN所成角的大小。(结果用反三角函数值表示)18、(本题满分12分)在复数范围内解方程(为虚数单位)。19、(本题满分14分)本题共有2个小题,第1小题满分6分,第2小题满分8分。已知函数的图象与轴分别相交于点A、B,(分别是与轴正半轴同方向的单位向量),函数。(1)求的值;(2)当满足时,求函数的最小值。20、(本题满分14分)本题共有2个小题,第1小题满分6分,第2小题满分8分。假设某市2004年新建住房面积400万平方米,其中有250万平方米是中低价房。预计在今后的若干年内,该市每年新建住房面积平均比上一年增长8%。另外,每年新建住房中,中低价房的面积均比上一年增加50万平方米。那么,到哪一年底,(1)该市历年所建中低价层的累计面积(以2004年为累计的第一年)将首次不少于4780万平方米?(2)当年建造的中低价房的面积占该年建造住房面积的比例首次大于85%?21、(本题满分16分)本题共有3个小题,第1小题满分4分,第2小题满分6分,第3小题满分6分。已知抛物线的焦点为F,A是抛物线上横坐标为4、且位于轴上方的点,A到抛物线准线的距离等于5。过A作AB垂直于轴,垂足为B,OB的中点为M。(1)求抛物线方程;(2)过M作,垂足为N,求点N的坐标;(3)以M为圆心,MB为半径作圆M,当是轴上一动点时,讨论直线AK与圆M的位置关系。22、(本题满分18分)本题共有3个小题,第1小题满分4分,第2小题满分8分,第3小题满分6分。对定义域是、的函数、,规定:函数。(1)若函数,写出函数的解析式;(2)求问题(1)中函数的值域;(3)若,其中是常数,且,请设计一个定义域为R的函数,及一个的值,使得,并予以证明。2005年普通高等学校招生全国统一考试(上海卷)数学(文)参考答案说明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神进行评分.2评阅试卷,应坚持每题阅到底,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题的内容和难度时,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,如果有较严重的概念性错误,就不给分.一、(第1题至第12题)1 2x=0 311 4x+2y4=0 5 6 78 9x+2y2=0 103 11 12二、(第13题至16题)13.A 14.B 15.B 16.C三、(第17题至第22题)17解联结B1C,由M、N分别是BB1和BC的中点,得B1C/MNDB1C就是异面直线B1D与MN所成的角.联结BD,在RtABD中,可得,又BB1平面ABCD.B1DB是B1D与平面ABCD的所成的角,B1DB=60.在RtB1BD中,BB1=BDtan60=,又DC平面BB1C1C, DCB1C,在RtCB1C中,DB1C=即异面直线B1D与MN所成角的大小为.18解:原方程化简为设代入上述方程得解得 原方程的解是19解:(1)由已知得于是 (2)由即 由于,其中等号当且仅当x+2=1,即x=1时成立,时的最小值是3.20解:(1)设中低价房面积形成数列,由题意可知是等差数列,其中a1=250,d=50,则 令 即到2013年底,该市历年所建中低价房的累计面积将首次不少于4750万平方米.(2)设新建住房面积形成数列bn,由题意可知bn是等比数列,其中b1=400,q=1.08, 则bn=400(1.08)n1由题意可知有250+(n1)50400 (1.08)n1 0.85.由计算器解得满足上述不等式的最小正整数n=6,到2009年底,当年建造的中低价房的面积占该年建造住房面积的比例首次大于85%.21解:(1)抛物线抛物线方程为y2= 4x.(2)点A的坐标是(4,4), 由题意得B(0,4),M(0,2),又F(1,0), 则FA的方程为y=(x1),MN的方程为解方程组(3)由题意得,圆M的圆心是点(0,2),半径为2.当m=4时,直线AK的方程为x=4,此时,直线AK与圆M相离,当m4时,直线AK的方程为 即为圆心M(0,2)到直线AK的距离,令时,直线AK与圆M相离; 当m=1时,直线AK与圆M相切; 当时,直线AK与圆M相交.22解(1)(2)当(3)解法一令则于是解法二令,则于是QcWA3PtGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2OHUm32WGeaUwYDIAWGMeR4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGZ7R4I30kA1DkaGtgKQcWA3P tGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2OHUm32WGeaUwYDIAWGMeR4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGZ7R4I30kA1DkaGtgK tGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2OHUm32WGeaUwYDIAWGMeR4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGZ7R4I30kA1DkaGtgKQcWA3PtGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2 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第 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