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1、盐城2010中考数学试题绝密?启用前 盐城市二?一?年高中阶段教育招生统一考试 数 学 试 题 注意事项: 1(本试卷考试时间为120分钟，试卷满分150分，考试形式闭卷( 2(本试卷中所有试题必须作答在答题卡上规定的位置，否则不给分( 3(答题前，务必将自己的姓名、准考证号用0.5毫米黑色墨水签字笔填写在试卷及答题卡上( 一、选择题(本大题共有,小题，每小题3分，共24分(在每小题所给出的四个选项中，只有一项是符合题目要求的，请将正确选项前的字母代号填涂在答题卡相应位置上) 0(2010的值是 1A(2010 B(0 C(1 D(,1 12(, 的相反数是 211A( B(,2 C(, D(
2、2 223(下列四个几何体中，主视图、左视图、俯视图完全相同的是 A(圆锥 B(圆柱 C(球 D(三棱柱 4(以下图形中，既是轴对称图形，又是中心对称图形的是 A(等边三角形 B(矩形 C(等腰梯形 D(平行四边形 5(下列说法或运算正确的是 2222A(1.010有3个有效数字 B( (a,b),a,bA 23510 46 a，a,aC( D(a?a= a6(如图所示，在菱形ABCD中，两条对角线AC,6，BD,8，则此菱形 B D 的边长为 C A(5 B(6 C(8 D(10 ,第6题, 12x,0y,y,xy,x7(给出下列四个函数:?;?;?;?(时，y随x的y,xx增大而减小的函数
3、有 A(1个 B(2个 C(3个 D(4个 8(填在下面各正方形中的四个数之间都有相同的规律，根据此规律，m的值是 0 4 6 8 6 2 4 m 44 2 22 6 8 4 A(38 B(52 C(66 D(74 strengthen the sense of responsibility, work to solve the lack of decent occupation explain away, conduct problems. To establish the overall concept, eliminate departmentalism. Strict assessme
4、nt and accountability, to solve the spiritual slack, nianqingpazhong, status quo, and other issues. To establish and perfect the muddle along Bureau staff conduct work regulations, standardize the behavior of personnel. 2. To strengthen the responsibility system. One is the in-depth study and implem
5、ent the Hunan provincial Party and government leading cadres Interim Provisions on the work safety of a pair of (Hunan Office issued 2013 No. 5), Hunan province safety supervision and management responsibilities of the provisions on the production (Hunan Zhengban made 2013 No. 4) And resolutely impl
6、ement the safety production of the party with responsibility, a pair of responsibility. Two is issued safety production administration and inspection to promote the responsibilities bear safety production supervision departments strictly and effectively assumed responsibility. The three is to establ
7、ish risk self correction self reporting system for safety in production enterprises, promote the enterprises to implement the main responsibility for production safety is introduced. Four strengthen the county safety production supervision ability construction work, promote safe production responsib
8、ility to the grassroots. 3, strict accountability and target management. Adhere to the who is in charge, who is responsible for the pipe industry must be safe, Guan Sheng production and operation must be safe, pipe business must control security principle, the implementation of safety The production
9、 of cure. stagnation supervision and leadership responsible system. The safety production of key towns, key enterprises and key problems, by the township government and the Department responsible for the stagnation led the lump sum, to tackle tough. To further increase the production safety index as
10、sessment, strictly implement the safety production of the one vote veto and the reward system, strengthen the safety incentive and restraint mechanism. (six) the implementation of the work force is not strong. The documents, meeting, long work arrangement, check and supervise the implementation of s
11、mall, poor implementation of the system, the work is not effective. Some leading cadres sense of purpose, consciousness of the masses is not strong, the ruling For the people , the interests of the masses no matter concept understanding is not in place. The specific work treats with the deployment,
12、a few leading cadres complain that work is too complicated, too much responsibility, the pressure is too large, too much emphasis on the difficulty of the work, such as underground mines to avoid the disaster of six systems construction and construction of mechanical ventilation to file the form, fo
13、rwarding arrangements work, no in-depth mining enterprises to promote the specific work, the increase in the number of files, but the effect is not good, not according to the actual situation of non coal mines in the county, to engage in across the board , and the quality 二、填空题(本大题共有10小题，每小题3分，共30分(
14、不需写出解答过程，请将答案直接写在答题卡相应位置上) 9( 4的算术平方根是 ? ( 10(使有意义的的取值范围是 ? ( xx,2a b 0 b11(实数、在数轴上对应点的位置如图所示， a,第11题, b,则 ? (填“”、“”或“”) ( a,212(因式分解: ? ( 2a,4a,13(不透明的袋子中装有4个红球、3个黄球和5个蓝球，每个球除颜色不同外其它都相同，从中任意摸出一个球，则摸出 ? 球的可能性最大( 14(12名学生参加江苏省初中英语听力口语自动化考试成绩如下:28，21，26，30，28，27，30，30，18，28，30，25(这组数据的众数为 ? ( 15(写出图象经
15、过点(1，,1)的一个函数关系式 ? ( 16(已知圆锥的底面半径为3，侧面积为15，则这个圆锥的高为 ? ( ,17(小明尝试着将矩形纸片ABCD(如图?，ADCD)沿过A点的直线折叠，使得B点落在AD边上的点F处，折痕为AE(如图?);再沿过D点的直线折叠，使得C点落在DA边上的点N处，E点落在AE边上的点M处，折痕为DG(如图?)(如果第二次折叠后，M点正好在?NDG的平分线上，那么矩形ABCD长与宽的比值为 ? ( D A F D A N D A M G B C B B C E C E y ? ? ? A k18(如图，A、B是双曲线 y= (k0) 上的点， A、B两点的横坐标 xB
16、 分别是a、2a，线段AB的延长线交x轴于点C，若S=6(则 ?AOCk= ? ( C x O ,第18题, 三、解答题(本大题共有10小题，共96分(请在答题卡指定区域内作答， 解答时应写出文字说明、证明过程或演算步骤) 19(本题满分8分)计算: 112,1,a,1(1) (2)()?(1) ,3，(),cos30a3strengthen the sense of responsibility, work to solve the lack of decent occupation explain away, conduct problems. To establish the overall concept, eliminate departmentalism. Strict assessment and acco
