(完整word版)2011年成都中考数学试题及答案,推荐文档.pdf

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1、成都市二一一年高中阶段教育学校统一招生考试试卷数学A卷（共100分）第卷（选择题，共30分）一、选择题：（每小题 3分，共 30分)每小题均有四个选项，其中只有一项符合题目要求。.14的平方根是().A16.B 16.C2.D2.2 如图所示的几何体的俯视图是()ABCD.3在函数xy21自变量x的取值范围是().A21x.B21x.C21x.D21x.4 近年来，随着交通网络的不断完善，我市近郊游持续升温。据统计，在今年“五一”期间，某风景区接待游览的人数约为3.20万人，这一数据用科学记数法表示为().A4103.20人.B51003.2人.C41003.2人.D31003.2人.5 下列

2、计算正确的是().A2xxx.Bxxx2.C532xx.D23xxx.6已知关于x的一元二次方程002mknxmx有两个实数根，则下列关于判别式24nmk的判断正确的是().A240nmk.B240nmk.C240nmk.D240nmk.7如图，若 AB 是O的直径，CD是O的弦，58ABD，精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 16 页 -则BCD（）.A116.B 32.C58.D64.8 已知实数 m、n在数轴上的对应点的位置如图所示，则下列判断正确的是（）.A0m.B0n.C0mn.D0nm.9 为了解某小区“全民健身”活动的开展情况，某志愿者对居住在该小区的50名成

3、年人一周的体育锻炼时间进行了统计，并绘制成如图所示的条形统计图根据图中提供的信息，这50人一周的体育锻炼时间的众数和中位数分别是（）6.A小时、6小时6.B小时、4小时4.C小时、4小时4.D小时、6小时.10已知O的面积为92cm，若点O到直线 l 的距离为cm，则直线 l 与O的位置关系是().A相交.B相切.C相离.D无法确定第卷非选择题，共70分)二、填空题：(每小题 4分，共16分).11分解因式：221xx_。.12如图，在ABC中，ED,分别是边BCAC,的中点，时间（小时）人数精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 16 页 -文档编码:CU2F2Y8Y8J1

4、HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y

5、8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1

6、HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y

7、8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1

8、HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y

9、8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1

10、HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5若4DE,则 AB_。.13已知1x是分式方程131kxx的根，则实数 k=_。.14如图，在ABCRt中，90ACB，1BCAC，将ABCRt绕 A点逆时针旋转30后得到ADERt，点 B 经过的路径为?BD，则图中阴影部分的面积是_。三、解答题：(本大题共 6个小题，共 54分).15 (本小题满分 12分，每题 6分)(1)计算：0020112cos3033(2010)(1)。（2）解

11、不等式组：20312123xxx，并写出该不等式组的最小整数解。.16（本小题满分6分）如图，在亚丁湾一海域执行护航任务的我海军某军舰由东向西行驶在航行到 B 处时，发现灯塔 A在我军舰的正北方向 500米处；当该军舰从 B处向正西方向行驶至达C处时，发现灯塔 A在我军舰的北偏东60的方向。求该军舰行驶的路程（计算过程和结果均不取近似值)精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 16 页 -文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1

12、 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1

13、Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1

14、 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1

15、Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1

16、 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1

17、Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1

18、 HI6J9F4H3X3 ZP7D7A1Y8K5.17(本小题满分8分)先化简，再求值：232()111xxxxxx，其中22x。.18(本小题满分8分)某市今年的信息技术结业考试，采用学生抽签的方式决定自己的考试内容。规定：每位考生先在三个笔试题（题签分别用代码123BBB、表示）中抽取一个，再在三个上机题（题签分别用代码123JJJ、表示）中抽取一个进行考试。小亮在看不到题签的情况下，分别从笔试题和上机题中随机地各抽取一个题签。(1)用树状图或列表法表示出所有可能的结构；（2 求小亮抽到的笔试题和上机题的题签代码的下标（例如“1B”的下表为“1”）均为奇数的概率。精品资料-欢迎下载-欢迎下

19、载 名师归纳-第 4 页，共 16 页 -文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K

20、5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI

21、6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K

22、5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI

23、6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K

24、5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI

25、6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5xyOABPQ.19(本小题满分10分)如 图，已 知 反 比 例 函 数(0)kykx的 图 象 经 过 点8,21，直 线yxb经过该反比例函数图象上的点mQ,4 (1)求上述反比例函数和直线的函数表达式；(2)设该直线与 x轴、y 轴分别相交于 A、B 两点，与反比例函数图象的另一个交点为 P，连结OP、OQ，

26、求OPQ的面积.20(本小题满分10分)如图，已知线段ADCDAB,/与 BC相交于点 K，E 是线段 AD 上一动点。精品资料-欢迎下载-欢迎下载 名师归纳-第 5 页，共 16 页 -文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:C

27、U2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3

28、X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:C

29、U2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3

30、X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:C

31、U2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3

32、X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5 (1)若KCBK25，求ABCD的值；(2)连接 BE，若 BE平分ABC，则当ADAE21时，猜想线段 AB、BC、CD 三者之间有怎样的等量关系?请写出你的结论并予以

33、证明再探究：当21nADnAE，而其余条件不变时，线段AB、BC、CD 三者之间又有怎样的等量关系?请直接写出你的结论，不必证明B卷(共50分)一、填空题：(每小题 4分，共20分).21 在平面直角坐标系xOy中，点aP,2在正比例函数12yx 的图象上，则点53,aaQ位于第 _象限。.22 某校在“爱护地球绿化祖图”的创建活动中，组织学生开展植树造林活动为了解全校学生的植树情况，学校随机抽查了100名学生的植树情况，将调查数据整理如下表：精品资料-欢迎下载-欢迎下载 名师归纳-第 6 页，共 16 页 -文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档

34、编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9

35、F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档

36、编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9

37、F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档

38、编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9

39、F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档

40、编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5则这 100名同学平均每人植树 _棵；若该校共有 1000名学生，请根据以上调查结果估计该校学生的植树总数是_棵.23 设12211=112S,22211=123S,32211=134S,2211=1(1)nSnn设12.nSSSS，则 S_(用含 n的代数式表示，其中n为正整数).24 在三角形纸片 ABC 中，已知90ABC，8,6 BCAB.过点 A作直线l平行于 BC，折叠三角形纸片ABC，使直角顶点 B落在直线 l 上的 T 处，

41、折痕为.MN 当点 T 在直线 l 上移动时，折痕的端点M、N 也随之移动若限定端点 M、N 分别在BCAB,边上移动，则线段 AT 长度的最大值与最小值之和为 _(计算结果不取近似值).25 在平面直角坐标系xOy中，已知反比例函数2(0)kykx满足：当0 x时，y 随x的增大而减小。若该反比例函数的图象与直线3yxk都经过点P，且7OP，则实数 k 的值有 _个.二、解答题：(本大题共 3个小题，共 30分).26(本小题满分 8分)某学校要在围墙旁建一个长方形的中药材种植实习苗圃，苗圃的一边靠围墙(墙的长度不限)，另三边用木栏围成，建成的苗圃为如图所示的长方形ABCD。已知木栏总长为1

42、20米，设 AB 边的长为x米，长方形ABCD 的面积为 S平方米(1)求 S与x之间的函数关系式(不要求写出自变量x的取值范围)当x为何值时，S取得最值(请指出是最大值还是最小值)?并求出这个最值；(2)学校计划将苗圃内药材种植区域设计为如图所示的两个相外切的等圆，其圆心分别为1O和2O，且1O到 AB、BC、AD 的距离与2O到 CD、BC、AD的距离都相等，并要求在苗圃内药材种植区域外四周至少要留够5.0米宽的平直路面，以方便同学们参观学习当(l)中 S 取得最值时，请问这个设计是否可行?若可行，求出圆的半径；若不可行，清说明理由精品资料-欢迎下载-欢迎下载 名师归纳-第 7 页，共 1

43、6 页 -文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J

44、1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A

45、1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J

46、1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A

47、1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J

48、1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A

49、1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5.27(本小题满分 10分)已知：如图，以矩形ABCD的对角线 AC 的中点 O为圆心，OA长为半径作O，O经过DB,两点，过点 B 作ACBK，垂足为 K。过 D 作KBDH/，DH 分别与,ABAC O及 CB的延长线相交于点HGFE,(1)求证：CKAE；(2)如果aADaAB31,(a为大于零的常数)，求 BK 的长：(3)若 F 是 EG

50、 的中点，且6DE，求 O的半径和 GH 的长精品资料-欢迎下载-欢迎下载 名师归纳-第 8 页，共 16 页 -文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编码:CU2F2Y8Y8J1 HI6J9F4H3X3 ZP7D7A1Y8K5文档编