最新湖南省冷水江市2010年中考第一次模拟考试数学试卷优秀名师资料.doc
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1、湖南省冷水江市2010年中考第一次模拟考试数学试卷湖南省冷水江市2010年初中毕业学业考试第一次模拟考试试卷 数 学 题 次 一 二 三 四 五 总 分 合分人 复分人 得 分 亲爱的同学: 1、祝贺你完成了初中阶段的学习现在是展示你的学习成果之时你可以尽情 地发挥仔细、仔细、再仔细:祝你成功: 2、本试卷共六道大题, 满分120分,考试时量120分钟; 3、考试中允许使用计算器。 (本大题共10个小题, 每小题3分满分30分. 每 一、选择题得 分 评卷人 小题给出的四个选项中只有一项是符合题设要求的请把 你认为符合题目要求的选项填在下表中相应的题号下) 1 2 3 4 5 6 7 8 9
2、10 题 号 答 案 1. -2009的相反数是 1A. 2009 B. 20091,C. D. -2009 20092. 下列各式中,计算错误的是 23A. 2a+3a=5a B. x?x= -x 326C. 2x-3x= -1 D. (-x)= x 463. 无理数的值在 A. 8和9之间 B. 9和10之间 C. 10和11之间 D. 11和12之间 4. 已知一次函数y=ax+b(a、b是常数),x与y的部分对应值如下表: x -3 -2 -1 0 1 2 3 2 4 8 y -4 -2 0 6 下列说法中,错误的是 A. 方程ax+b=0的解是x=-1 Wang Department
3、 responsible for the pro-democracy movement the Han Chang Yan Tomb. He used to work, wide exposure to four rural peasants, to publicize Japanese thought, and to establish the perimeter of the party organization Jiangnan anti-Japanese guerrilla people salvation. East water village Shen Yingjie, also
4、participated in the Organization and served as team leader. August Zhu Xi Nan Xun Kang Wang, also has made a night attack bridge Japanese defenders, and the Eastern attack zhenze traitors was the puppet command, enemy steamer and seized a large quantity of firearms, ammunition, supplies and file pho
5、tos of victory. That same month, Zhu Wang achieved in deqing, Wu Kang border forces also recovered three mountains (Hui shan, Shan, dry mountain) victory. In September, the second guerrilla Brigade of the Communist Party Member Wen Yongzhi as captain of Wuxing County about 150 guns, to shake off the
6、 annexation of the Wuxing County Government, and he demanded, Zhejiang Province, Lin Jie Xu knows delegate to the West to lead. Decided to Jie Xu with the reputation of the identity of the Chinese Communist Party, Xu Jin talks with Zhu Xi, Zhu Bucheng Brigade of temperature programmed. Zhu Xi, agree
7、d. Thus, cleaning party members into the Zhu Xi forces, such as Xu, Xu by superiors and sent to party members after all. In October, party group, Xu cleaning team leader, directly under the leadership of CPC Zhejiang Provincial Committee. Party groups actively working, restored Han chang and others
8、from the party. Help Zhu Xi established the Department and strengthen youth service corps, the establishment of womens team, run training courses in rotation drawn the officers and men of the Regiment, group. Strengthening the political and ideological education of officers and men, advocacy and nat
9、ional salvation movement aim to inspire soldiers B. 不等式ax+b0的解集是x-1 C. y=ax+b的函数值随自变量的增大而增大 D. y=ax+b的函数值随自变量的增大而减小 Q5. 如图1,AB?CD,直线PQ分别交AB、CD于 ECD点F、E, EG是?DEF的平分线,交AB于 点G . 若?PFA=40?,那么?EGB等于 A. 80? B. 100? ABFGC. 110? D.120? P6. 如图2,将一张等腰梯形纸片沿中位线剪开, 拼成一个新的图形,这个新的图形可以是 图1 下列图形中的 A(三角形 B(平行四边形 C(矩形
10、 D(正方形 图2 37. 已知为锐角,且,则等于 sin(,10:),250:60:70:80:,( ,( ,( ,( 8. 下列说法中,正确的是 A(等腰梯形既是中心对称图形又是轴对称图形 DB(平行四边形的邻边相等 C(矩形是轴对称图形且有四条对称轴 D(菱形的面积等于两条对角线长乘积的一半 CO9. 如图3,?ABC内接于?O,?BAC=120?,AB=AC=4 , BD为?O的直径,则BD等于 BA.4 B.6 C.8 D.12 A10. 下列事件中,必然事件是 A.抛掷1个均匀的骰子,出现6点向上 图3 B.两直线被第三条直线所截,同位角相等 C.365人中至少有2人的生日相同 D
11、.实数的绝对值是非负数 得 分 评卷人 s and men, advocacy and national salvation movement aim to inspire soldiersfficerses in rotation drawn the officers and men of the Regiment, group. Strengthening the political and ideological education of olp Zhu Xi established the Department and strengthen youth service corps, t
12、he establishment of womens team, run training courty. Hehe leadership of CPC Zhejiang Provincial Committee. Party groups actively working, restored Han chang and others from the pars Xu, Xu by superiors and sent to party members after all. In October, party group, Xu cleaning team leader, directly u
13、nder tuch aZhu Xi, Zhu Bucheng Brigade of temperature programmed. Zhu Xi, agreed. Thus, cleaning party members into the Zhu Xi forces, sto the West to lead. Decided to Jie Xu with the reputation of the identity of the Chinese Communist Party, Xu Jin talks with legate50 guns, to shake off the annexat
14、ion of the Wuxing County Government, and he demanded, Zhejiang Province, Lin Jie Xu knows deory. In September, the second guerrilla Brigade of the Communist Party Member Wen Yongzhi as captain of Wuxing County about 1) victsame month, Zhu Wang achieved in deqing, Wu Kang border forces also recovered
15、 three mountains (Hui shan, Shan, dry mountainpuppet command, enemy steamer and seized a large quantity of firearms, ammunition, supplies and file photos of victory. That s the t Zhu Xi Nan Xun Kang Wang, also has made a night attack bridge Japanese defenders, and the Eastern attack zhenze traitors
16、wala people salvation. East water village Shen Yingjie, also participated in the Organization and served as team leader. AugusJapanese guerril-ht, and to establish the perimeter of the party organization Jiangnan antidemocracy movement the Han Chang Yan Tomb. He used to work, wide exposure to four r
17、ural peasants, to publicize Japanese thoug-ang Department responsible for the proW2 (本大题共6个小题, 每小题3分, 满分18分) 二、填空题 211. ,3,-1, . 12. 计算数据14.49,13.53,14.07,13.52,13.84,13.98,14.67,14.80,14.06的平均数约为_ _ . 0013. 如图4,?,155,?,35,则?, . O P B A 图5 图4 14(如图5所示的同心圆,大?O的弦AB切小?O于P,且AB=6,则阴影部分即圆环的面积 为 . 15(如图6,R
18、t?ABC中,?B,90?,AB,3cm, AC,5cm,将?ABC折叠,使点C与A重合, (第15题图) ,则?ABE的周长等于_cm. 得折痕DE16(试观察下列各式的规律,然后填空: 2 (x,1)(x,1),x,123 图6 (x,1)(x,x,1),x,1324 (x,1)(x,x,x,1),x,1 109(x,1)(x,x,?,x,1),则_( (本大题共3个小题第17小题6分第18、19小题各 三、运算题得 分 评卷人 8分满分22分) 2x,2x,1x,1y,x,117. 已知.试说明不论x为何值,y的值不变. 22x,1x,xatureu with the reputatio
19、n of the identity of the Chinese Communist Party, Xu Jin talks with Zhu Xi, Zhu Bucheng Brigade of temperWuxing County Government, and he demanded, Zhejiang Province, Lin Jie Xu knows delegate to the West to lead. Decided to Jie X f thea Brigade of the Communist Party Member Wen Yongzhi as captain o
20、f Wuxing County about 150 guns, to shake off the annexation oKang border forces also recovered three mountains (Hui shan, Shan, dry mountain) victory. In September, the second guerrill g, Wued a large quantity of firearms, ammunition, supplies and file photos of victory. That same month, Zhu Wang ac
21、hieved in deqinnight attack bridge Japanese defenders, and the Eastern attack zhenze traitors was the puppet command, enemy steamer and seiz am leader. August Zhu Xi Nan Xun Kang Wang, also has made aJapanese guerrilla people salvation. East water village Shen Yingjie, also participated in the Organ
22、ization and served as te-and to establish the perimeter of the party organization Jiangnan antiht, democracy movement the Han Chang Yan Tomb. He used to work, wide exposure to four rural peasants, to publicize Japanese thoug-Wang Department responsible for the proation movement aim to inspire soldie
23、rsof the Regiment, group. Strengthening the political and ideological education of officers and men, advocacy and national salvd men and strengthen youth service corps, the establishment of womens team, run training courses in rotation drawn the officers anmmittee. Party groups actively working, res
24、tored Han chang and others from the party. Help Zhu Xi established the Department al Coy members after all. In October, party group, Xu cleaning team leader, directly under the leadership of CPC Zhejiang Provinciprogrammed. Zhu Xi, agreed. Thus, cleaning party members into the Zhu Xi forces, such as
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