最新绵阳数学中考复习测试题优秀名师资料.doc
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1、2012年绵阳数学中考复习测试题九年级数学测试题 (答题时间:90分钟;满分:120分) 三 题号 一 二 总分 20 21 22 23 24 25 26 得分 一(选择题(本题共14小题,每小题3分,共42分)在每小题所给的四个选项中,只有一项是符合题目要求的。将正确的答案填在下列表中: 题1 2 3 4 5 6 7 8 9 10 11 12 13 14 号 答 案 11(,的相反数是( ) 211 A. , B. C. ,2 D.2 222. 下列各运算正确的是( ) 32622 A. B. (),aaa(1)1aa,,,2362222,C. D. ()xx,3(,年,临沂市各项惠农政策得
2、到较好落实,,年减轻农民负担,(,亿元, 将,(,亿用科学记数法表示为( ) 1110 98 A(1.410 B. 1.410C. 1.410 D. 1.410 4(图,是由几个相同的小正方体搭成的几何体的三种视图,则搭成这个几何体的小正方体的个数是( ) A( 3 个 B. 4个 C. 5个 D. 6个 escape from debt of the bank records of actual control of enterprise and its associated spouse obtained credit support strict precautions against
3、serious adverse credit history of borrower (guarantor) and their spouses get the Bank crediting support. Implementation of the guarantee the guarantee personal credit business, investigators should verify a guarantor willing, guarantees or credits (MS) charge status, value and evaluation of liquidit
4、y. Arrival (mass) bet property value assessments to assessment company approved by the Bank to assess reported or recognized the value of the Bank confirmation shall prevail; investigators through market price than the reciprocal verification of charge values, prevention assessed value is too high,
5、and so on. Mortgage, status check and to verify ownership, leasing and is imposed by the existence of a relocation, and other special situations. Customer access to Customer Manager product documentation standards set by States should be in accordance with the Bank select borrowers, guarantors and b
6、et. Section II review review-approval staff should perform their duties strictly in accordance with authorized, prohibited Super license. Approval shall, in accordance with authorized, independent approval according to their own knowledge and experience. Review (主视图) (左视图) (俯视图) (第4题图) A20,x,5(不等式的解
7、集是( ) ,D,20x,A. x2 B. x0 C. 0x0 D. yy,yy,01221,,1,28. 一副三角尺按如图方式摆放,且比大40,设,,1x=,则可得到方程组为( ) ,,2yxy,40xy,,40, A( B. ,xy,,180xy,,180,xy,40xy,,40,C. D. (第8题图) ,xy,,90xy,,90,9. 十字路口的交通信号灯每分钟红灯亮30秒,绿灯亮25秒,黄灯亮5秒,当你抬头看信号灯时,是红灯的概率是( ) 1151 A( B. C. D. 12312210. 如图,P是?ABC边AB上任意一点(A、B除外),过点P作一直线,使截得的三角形与?ABC相
8、似,这样的直线最多可以作( ) A(1条 B. 2条 C. 3 条 D. 4条 GD AAH FP BBCECin accordance with authorized, independent approval according to their own knowledge and experience. Reviewapproval staff should perform their duties strictly in accordance with authorized, prohibited Super license. Approval shall, -viewiew reum
9、entation standards set by States should be in accordance with the Bank select borrowers, guarantors and bet. Section II revnd is imposed by the existence of a relocation, and other special situations. Customer access to Customer Manager product docsing aation of charge values, prevention assessed va
10、lue is too high, and so on. Mortgage, status check and to verify ownership, lear recognized the value of the Bank confirmation shall prevail; investigators through market price than the reciprocal verificrted oluation of liquidity. Arrival (mass) bet property value assessments to assessment company
11、approved by the Bank to assess reponal credit business, investigators should verify a guarantor willing, guarantees or credits (MS) charge status, value and evapersotory of borrower (guarantor) and their spouses get the Bank crediting support. Implementation of the guarantee the guarantee control of
12、 enterprise and its associated spouse obtained credit support strict precautions against serious adverse credit his escape from debt of the bank records of actual2 (第10题图) (第11题图) 11.如图,已知在矩形ABCD中,E、F、G、H分别为AB、BC、CD、DA的中点。若12,GE=5,则四边形EFGH的面积为( ) sin,,AEG13A. 240 B. 60 C. 120 D. 169 212(已知抛物线则该抛物线关于
13、轴对称的抛物线的表达式是( ) xyxx,,1,222A( B. C. D. yxx,1yxx,,,1yxx,,,12 yxx,113. 如图,在直角坐标系中,圆 O的半径为1,则直线与圆O的关系是( ) yx,2A(相离 B. 相交 C. 相切 D. 以上三种情形都有可能 (第13题图) (第14题图) 45,14. 如图,A、B是网格中的格点,网格中的每个小正方形的边长都是1,图中使以A、B、C为顶点的三角形是等腰三角形的格点C有( ) A . 2个 B. 3个 C. 4个 D. 5个 二(填空题(本大题共5小题,每小题3分,共15分)把答案填在题中横线上 2363xx,,,15(分解因式
14、: 。 16(如图,小明家院墙外有一片草地,一根5m长的绳子, 一端拴在墙角B处,另一端拴着一只羊 (羊只能在草地上活动), AB=8m,BC=3m, (第16题图) 2,m,小羊能吃到的草的区域的面积是 。 ,,,,ABCBCD90,13517(如图,两个天平都平衡,则三个正方体的质量等于 个球体的质量。 escape from debt of the bank records of actual control of enterprise and its associated spouse obtained credit support strict precautions against
15、 serious adverse credit history of borrower (guarantor) and their spouses get the Bank crediting support. Implementation of the guarantee the guarantee personal credit business, investigators should verify a guarantor willing, guarantees or credits (MS) charge status, value and evaluation of liquidi
16、ty. Arrival (mass) bet property value assessments to assessment company approved by the Bank to assess reported or recognized the value of the Bank confirmation shall prevail; investigators through market price than the reciprocal verification of charge values, prevention assessed value is too high,
17、 and so on. Mortgage, status check and to verify ownership, leasing and is imposed by the existence of a relocation, and other special situations. Customer access to Customer Manager product documentation standards set by States should be in accordance with the Bank select borrowers, guarantors and
18、bet. Section II review review-approval staff should perform their duties strictly in accordance with authorized, prohibited Super license. Approval shall, in accordance with authorized, independent approval according to their own knowledge and experience. Review 18(如图,梯形纸片ABCD,已知AB?CD, ADBCABCD,6,3,
19、DC将该梯形纸片沿对角线AC折叠,点D恰与AB边上的点E重合, 则= 。 ,B19(数字解密:第一个数是3=2+1,第二个数是5=3+2,第三个数是 ABE9=5+4,第四个数是17=9+8观察并猜想第六个数是 . 三( 开动脑筋,你一定能做对 20 (本小题满分6分) 2xx,2111 先化简,再取一个你认为合理的x值,代入求原式的值。 (),2xxx,1121( (本小题满分8分) 下图是某班学生上学的三种方式(骑车,住校,步行)的人数分布直方图 骑车50%(1) 求该班有多少学生, (2) 补全人数分布直方图 (3) 若全年级有1000人,估计该年级住校人数。 步行30%住校 25201
20、5105骑车住校步行 in accordance with authorized, independent approval according to their own knowledge and experience. Reviewapproval staff should perform their duties strictly in accordance with authorized, prohibited Super license. Approval shall, -viewiew reumentation standards set by States should be i
21、n accordance with the Bank select borrowers, guarantors and bet. Section II revnd is imposed by the existence of a relocation, and other special situations. Customer access to Customer Manager product docsing aation of charge values, prevention assessed value is too high, and so on. Mortgage, status
22、 check and to verify ownership, lear recognized the value of the Bank confirmation shall prevail; investigators through market price than the reciprocal verificrted oluation of liquidity. Arrival (mass) bet property value assessments to assessment company approved by the Bank to assess reponal credi
23、t business, investigators should verify a guarantor willing, guarantees or credits (MS) charge status, value and evapersotory of borrower (guarantor) and their spouses get the Bank crediting support. Implementation of the guarantee the guarantee control of enterprise and its associated spouse obtain
24、ed credit support strict precautions against serious adverse credit his escape from debt of the bank records of actual4 22(本小题满分8分) 1如图,DB?AC,且,E是AC的中点 DBAC,2(1) 求证:BC=DE (2) 满足什么条件时,四边形ADBE是正方形,并说明理由。 AEDCBescape from debt of the bank records of actual control of enterprise and its associated spous
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