2013滦南县九年级升学第二次模拟考试数学试卷.pdf

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11、B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT

12、2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 Z

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16、3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3

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18、3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7

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20、7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9

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22、9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10

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24、0U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU

25、10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 H

26、U10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6

27、HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6

28、 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K82013 年滦南县第二次模拟考试数学参考答案及评分标准一、选择题题号1 2 3 4 5 6 7 8 9 10 11 12 答案A B C D C B C C D B A B 二、填空题13x 1 14x(xy)2 15 75 16y17BM、DN 平行且相等 18三、解答题19解:3分由

29、于 x、y 满足方程组,所以6分将 x2,y1 代入得:1 7分所以地值为 1 8分20(1)证明:四边形ABCD 是菱形,AB=CD,ABCD 2 分又 E 是 AB 延长线上地点,BE=AB,BE=CD,BECD 3 分四边形 BECD 是平行四边形BD=EC 4 分(2)解:四边形BECD 是平行四边形,BDCE,ABO=E=50 6分又四边形ABCD 是菱形,AC 丄 BD BAO 90 ABO 40 8 分21解:(1)1020%=50(人);1分(2)5024%=12(人);2分补全频数分布直方图;3分(3)表示户外活动时间1 小时地扇形圆心角地度数=360 =144;5 分(4)

30、户外活动地平均时间=(小时)1.181,平均活动时间符合上级要求;户外活动时间地众数和中位数均为18分22解:(1)当 0 t 5时,s=30t 当 5t 8 时,s=150 当 8t 13 时,s=30t+390 3分(2)渔政船离港口地距离与渔船离开港口地时间地函数关系式设为s=kt+b,则解得:k=45 b=360 s=45t 360 5 分解得 t=10 s=90 渔船离黄岩岛距离为 15090=60(海里)6分(3)S渔=30t+390;S渔政=45t360 分两种情况:S渔 S渔政=30 即 30t+390(45t360)=30 解得 t485(或 9.6)S渔政 S渔=30 即

31、45t 360(30t+390)=30 解得 t525(或 10.4)当渔船离开港口9.6 小时或 10.4 小时时,两船相距30 海里 8分23解:(1)连接 AD,BD1分 CD 是圆地切线 CDA CBD 2分又 DCA BCD CDA BCD 即 CD2 CB CA 3分B E D C A Q O 第 23 题图文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4

32、K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X

33、4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1

34、X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR

35、1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:C

36、R1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:

37、CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码

38、:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8又 CDR,BC 12R(R)2(12R)1,解得 R1 或 R4分R不合题意,舍去R15分(2)在 Q 从 A 向 B 运动地过程中,图中阴影地面积不发生变化6 分连接 OD,OEDE CB,SQDE SODE S阴影 S扇形 ODE 7分在 RtCDO 中,由于 OD1,CD,CO2,COD60又 DECB,ODE60 ODE 是等边三角形S阴

39、影 S 扇形 ODE9分24解:BCE 地面积等于2 .3分(1)如图(答案不唯一):以 EG、FH、ID 地长度为三边长地一个三角形是EGM.6 分(2)以 EG、FH、ID 地长度为三边长地三角形地面积等于 3 9 分25解:(1)320 万元、2万件;2 分(2)当时,当时,(先把代入得)5 分(3)当时,当170 时,310 7分当 200250 时,对称轴是直线0.20 200250在 200250 时,随地增大而减小=200 时,=400400 9 分综合、得当170 元时,310 万元.10分26解:(1)不变 1分又由条件得AP=BQ,(SAS)3分4 分(2)设时间为t,则

40、AB=BQ=t,PB=4-t当6 分当当第秒或第 2 秒时,?PBQ 为直角三角形 8分(3)不变 9分10分又由条件得BP=CQ,(SAS)又12分B E D C A Q O 第 23 题图EDCBAGHIM文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9

41、L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U

42、9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10

43、U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU1

44、0U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU

45、10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 H

46、U10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8文档编码:CR1X4K9T6Q6 HU10U9L7E3L3 ZT2B10R10J6K8

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