昆山市初三数学第二次模拟试题含答案

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1、thrift of excellent traditional and style lack deep of understanding, one-sided think in now of good situation Xia, economic smooth more fast development, and reform made major progress, and people living significantly improve, and social the career made new progress, no necessary always hard has, n

2、o awareness to China also has many poverty area, and also has many poverty population of exists, more living improve has, more need keep hard of style. Three is not strictly honest. Total thought units is a water sector, clean self-discipline away from himself too far, no real processing good living

3、 of improve and hard, and thrift excellent traditional of relationship, no effective do comply with Constitution and party of regulations must from I do up, no right mercy good bitter Le, and wealth of relationship, no right awareness to in comply with Constitution and party of regulations aspects e

4、veryone has accountability. Four, future direction and improvement measures 1, belief and faith, strengthen party spirit. One is to firmly establish the noble ideals of struggle for the ideals of communism, communist struggle for life, ready to sacrifice everything for the party and the people. Seco

5、nd is to continuously improve the quality and standard of political, conscientiously study Deng Xiaoping theory and three represents important thought and the scientific Outlook on development, implement the partys basic program for the primary stage of socialism, adhere to the correct political ori

6、entation, maintain highly consistent with the CPC Central Committee, is good at theories of socialism with Chinese characteristics to analyze and solve problems. Third, strengthening the party spirit and the world transformation, perseverance of the party Constitution, relive Party vows to establish

7、 correct world Outlook, Outlook on life and the world, practically embodies ideals and beliefs into action, combine lofty ideals and practical activities, transforming the objective world, actively participate in the great practice of building socialism with Chinese characteristics. 2, keep the purp

8、ose in concept, changing the style of work. First, keep in mind that the purpose of serving, adhere to assuming power for the people, keep in mind the people and care about people, and the joys and sorrows of the masses, .According to city discipline, and municipal organization Department requiremen

9、ts, today we held implement implementation independent Commission against corruption guidelines effective strengthening led cadres style construction topic democratic life, main task is close contact thought, and work actual, control check district Standing Committee team and the personal in impleme

10、ntation independent Commission against corruption guidelines Shang exists of problem, in-depth carried out criticism and self-critical, further clear rectification direction and measures, effective enhanced clean politics of consciousness and initiative, firm set good of ruling image. Before the mee

11、ting, the way we take surveys solicited a views, combed, related to team building20122013学年第二学期第二次教学质量调研测试初三数学注意事项: 1、本试卷共三大题28小题,满分130分,考试时间120分钟考生作答时,将答案答在规定的答题纸范围内,答在本试卷上无效。 2、答题时使用0.5毫米黑色中性(签字)笔书写,字体工整、笔迹清楚。一、选择题(每小题3分,共30分)把下列各题的正确答案前的英文字母填涂在答题纸相应的位置上1计算的结果是 A3 B3 C3 D32的相反数是 ABCD3数据5,7,5,8,6,1

12、3,5的中位数是 A5 B6 C7 D84在四张完全相同的卡片上,分别画有圆、菱形、等腰三角形、等腰梯形,现从中随机抽取一张,卡片上的图形恰好是中心对称图形的概率是ABCD15如图,ABC内接于O,ODBC,垂足为点D,A50则OCD的度数是A40 B45C50 D606将一个平行四边形的纸片折一次,使得折痕平分这个平行四边形的面积,则这样的折纸方法共有 A1种 B2种 C3种 D无数种7已知反比例函数y(6为常数),当x0时,y随x的增大而增大,则一次函数yxb的图象不经过的象限为 A第一象限 B第二象限 C第三象限 D第四象限8把抛物线yx2bx4的图象向右平移3个单位,再向上平移2个单位

13、,所得的图象的解析式为yx22x3,则b的值为 A2 B4 C6 D89如图,在RtABC中(C90),放置边长分别是3、4、x的三个正方形,则x的值为 A5 B6 C7 D1210如图,AB为半圆O的直径,AD、BC分别切O于A、B 两点,CD切O于点E,AD、CD交于D,BC、DC交于 C,连接OD、OC,对于下列结论: OD2DECD,ADBCCD, ODOC,S梯形ABCDCDOA,DOC90 其中正确的结论有: A B C D二、填空题(本大题共8小题,每小题3分,共24分)把正确答案直接填在答题纸相应的位置内11若a与5互为倒数,则a ;12已知1纳米109米,某种微粒的直径为13

14、8纳米,用科学记数法表示该微粒的直径为 米;13已知ab2,ab1,则3a2ab3b ;14如图,把一个斜边长为2且含有30角的直角三角形ABC绕直 角顶点C顺时针旋转90到A1B1C,则在旋转过程中这个三 角板扫过的图形的面积为 ;15某校为了丰富学生的课外体育活动,欲增购一批体育器材,为此该校对一部分学生进行一次题为“你喜欢的体育活动”的问卷调查(每人限选一项)根据收集到的数据,绘制成如图所示的统计图(不完整); 根据图中提供的信息,得出“跳绳”部分学生共有 人;16如图,正方形纸片ABCD的边长为3,点E、F分别在边BC、CD上,将AB、AD分别沿AE、AF折叠,点B、D恰好都落在点G处,已知BE1,则EF的长为 ;17读一读,式子“1234100”表示从1开始的100个自然数的和,由于式子比较长,书写不方便,为了简便,我们将其表示为,这里“”是求和符号,通过对上述材料的阅读,计算 ;18如图,在平面直角坐标系中,P的圆心是(2,a)且(a2), 半径为2函数yx的图象被P割的弦AB的长2,则a的 值是 三、解答题(本大题共11小题,共76分把解答过程写在答题卡相应的位置上,解答时应写出必要的计算过程、推演步骤或文字说明,作图时用2B铅笔或黑色墨水签字笔)19计算(5分)20(5分)解下列不等式组,并写出不等式组的整数解21(5分)解方程22先化简,再求值(6分)

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