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1、2016-2017学年第二学期天一中学高一数学期中考试试卷必修 2 试卷总分值：150 分考试时间：120 分钟卷 I 一、选择题本大题共2 道小题，每题 5 分，共 60 分。在每题给出的四个选项中，只有一项是符合题目要求的1直线 x3 的倾斜角是()A90B60C30D不存在2圆(x2)2y25 的圆心为()A(2，0B 0，2C(-2，0D 0，-2 3、已知,ab/，则直线a与直线b的位置关系是A、平行；B、相交或异面；C、异面；D、平行或异面。4.如图，水平放置的圆柱形物体的三视图是5、在右图的正方体中，M、N 分别为棱 BC 和棱 CC1 的中点，则异面直线AC 和 MN 所成的角
2、为C1D1B1A1NMDCBAA30B45C90D 606直线 2x-y4 0 同时过第象限A一，二，三B二，三，四C一，二，四D一，三，四7假设三点A(3,1)，B(2，b)，C(8,11)在同一直线上，则实数b 等于()A2 B3 C9 D 9 8以 A(1,3)，B(5,1)为端点的线段的垂直平分线方程是()A3xy 80 B 3xy 40 C3xy60 D 3xy 20 9两个球的半径之比为13，那么两个球的外表积之比为()A19 B127 C1 3 D11 10已知以点A(2，3)为圆心，半径长等于5 的圆 O，则点 M(5，7)与圆 O 的位置关系是()A在圆内B在圆上C在圆外D无
3、法判断11在同一直角坐标系中，表示直线yax 与直线yxa 的图象(如下图)正确的选项是()12圆 x2y22x 4y3 0 上到直线l：xy10 的距离为2的点有()A1 个B2 个C3 个D4 个二、填空题本大题共4 道小题，每题5 分，共 20 分。把答案填在题中横线上13、已知 l1：2xmy10 与 l2：y3x 1，假设两直线平行，则m 的值为 _14已知直线5x12ya0 与圆 x22xy20 相切，则a 的值为 _15、过点 1，2且在两坐标轴上截距相等的直线方程是16、已知,a b为直线，,为平面，有以下三个命题：1ab/，则a b/；2,ab，则a b/；3,a b b/，
4、则a/；文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7
5、 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6
6、V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7
7、 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6
8、V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7
9、 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6
10、V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P44,ab a，则b/；其中正确命题是。三、解答题本大题共6 道小题，共70 分。解答应写出文字说明、证明过程或演算步骤17、本小题总分值10 分如以下图(2),建造一个容积为316m，深为2m，宽为2m的长方体无盖水池，如果池底的造价为120m2/元，池壁的造价为80m2/元，求水池的总造价。18 本小题总分值12 分已知直线2x(t2)y32t0，
11、分别根据以下条件，求 t 的值：(1)过点(1,1)；(2)直线在 y 轴上的截距为319、本小题总分值12 分求经过M-1，2，且满足以下条件的直线方程 1与直线2x+y+5=0 平行；2与直线2x+y+5=0 垂直；2m2m图2文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7
12、H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码
13、:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7
14、H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码
15、:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7
16、H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码
17、:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P420 本小题总分值12 分求圆心在直线y 4x 上，且与直线l：xy10 相切于点 P(3，2)的圆的方程21 本小题总分值12
18、 分直线l 经过点 P(5,5)，且和圆C：x2y225 相交，截得的弦长为 4 5，求 l 的方程22、本小题总分值12 分如以下图4，在正方体1111ABCDA B C D中，1求证直线BD 与平面1111DCBA；2求证：面11BB DD面1AB C2求二面角11AB CC的大小；图 41A1B1D1CCABD文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y
19、7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文
20、档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y
21、7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文
22、档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y
23、7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文
24、档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P42m2m图22016-2017学年第二学期
25、天一中学高一数学期中考试试卷答案必修 2 非选择题共 90 分一、选择题本大题共2 道小题，每题5 分，共 60 分。在每题给出的四个选项中，只有一项是符合题目要求的题号1 2 3 4 5 6 7 8 9 10 11 12 答案A C D A D A D B A B C C 二、填空题本大题共4 道小题，每题4 分，共 16 分。把答案填在题中横线上13、32-14、15、3,2xyxy16、2。17、本小题总分值12 分如以下图(2),建造一个容积为316m，深为2m，宽为2m的长方体无盖水池，如果池底的造价为120m2/元，池壁的造价为80m2/元，求水池的总造价。解：分别设长、宽、高为,
26、am bm hm；水池的总造价为y元16,2,2Vabhhb，4am则有2428Sm底6 分2224224Sm壁 9 分12080120880242880ySS底壁元 10 分18.(1)过点(1,1)所以当 x=1，y=1 时2+t-2+3-2t=0 t=3 2)直线在 y 轴上的截距为-3 所以过点 0，-3文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U
27、7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编
28、码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U
29、7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编
30、码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U
31、7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编
32、码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4-3(t-2)+3-2t=0 5t=9 t=9
33、/519.本小题总分值12 分点 M-1，212k-3 分直线方程为02yx-5 分221k-6 分直线方程为052yx-8 分20本小题总分值12 分求圆心在直线y 4x 上，且与直线 l：xy10 相切于点 P(3，2)的圆的方程x-1 2+y+4 2=8 21 本小题总分值12 分直线l 经过点 P(5,5)，且和圆C：x2y225 相交，截得的弦长为 4 5，求 l 的方程解：由题意易知直线的斜率存在，设直线的方程为由题意知，圆 C：的圆心为(0，0)，半径为 5，圆心到直线的距离在中，即解得所以的方程为22.19、本小题总分值12 分如以下图4，在正方体1111ABCDA B C D
34、中，1AEC为 二 面 角11AB CC的 平 面 角。4 分 2 证 明：1D DABCD面，ACABCD面1D DAC 6 分图1A1B1D1CCABDE文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y
35、7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文
36、档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y
37、7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文
38、档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y
39、7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文
40、档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4又在正方形ABCD中ACBD8 分1D DBDD11ACDD B B面10 分又1ACAB C面面11BB DD面1AB C12 分3画出二面角11AB CC的平面角；2求证：面11BB DD面1AB
41、C解：1如图，取1B C的中点E,连接1,AE EC。11,AC AB B C分别为正方形的对角线11ACABB CE是1B C的中点1AEB C2 分又在正方形11BB C C中11ECB C3 分文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4
42、文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1
43、Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4
44、文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1
45、Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4
46、文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4文档编码:CL6C9L1U9P7 HZ1Y7U7H4J8 ZC1X4M6V9P4