《2019年安徽省阜阳市中考数学第一次模拟试题及答案解析.pdf》由会员分享,可在线阅读,更多相关《2019年安徽省阜阳市中考数学第一次模拟试题及答案解析.pdf(24页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、&知识就是力量&最新安徽省阜 阳市中考 数学一模 试卷一、选择题 共 10 小题,每题 4 分,总分值 40 分,在每题给出的选项中,只有一个符合题1 2016 的相反数是A 2016 B2016 CD2以下运算正确的选项是A2x+3y=5xy Bx2?x3=x6Cx5 x=x4D xy2=x2y23如图是平放在水平桌面上的未拆封的桶装方便面,它的俯视图是ABCD4百合花的花粉的直径约0.000000087 米,这里0.000000087 用科学记数法表示为A8.7 107B8.7 108C8.7 109D0.87 1085化简的结果是AxBCD6不等式组的解集在数轴上表示正确的选项是ABCD
2、7某兴趣小组10 名学生在一次数学测试中的成绩如表总分值150 分分数单位:分105 130 140 150 人数单位:人2 4 3 1 以下说法中,不正确的选项是A这组数据的众数是130 B这组数据的中位数是130 C这组数据的平均数是130 D这组数据的方差是112.5 8一元二次方程x2=7 的正数解最接近的整数是A1 B 2 C3 D4&知识就是力量&9如图,AB 是半径为R 的 O 内接正 n 边形的边长,则阴影部分的面积为AR2sinBR2sinCR2sinDR2sin10如图,等边 ABC的边长为2cm,点 P 从点 A 出发,以 1cm/s 的速度沿AC向点 C 运动,到达点
3、C停止;同时点Q从点 A 出发,以2cm/s 的速度沿 ABBC向点 C 运动,到达点C停止,设 APQ的面积为ycm2,运动时间为xs,则以下最能反映y 与 x 之间函数关系的图象是ABCD二、填空题本大题共4 小题,每题5 分,总分值20 分11使代数式有意义的x 的取值范围是_12如图,ab,一块等腰直角三角板的直角顶点落在直线b 上,一个锐角顶点落在直线a上,假设 1=25,则 2=_13顺达旅行社为吸引游客到黄山景区旅游,推出如下收费标准:假设某公司准备组织x x25名职工去黄山景区旅游,则公司需支付给顺达旅行社旅游费用 y元与公司参与本次旅游的职工人数x人之间的函数表达式是_文档编
4、码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z
5、8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7
6、 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文
7、档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N
8、3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8
9、F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N
10、3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3文档编码:CM9Q10U3N3Z8 HT6P6E6I8F7 ZP2W5F4Q5N3&知识就是力量&14如图,在菱形ABCD中,AB=6,A=60,点 E、F分别在 AB,BC上,且 AE=BF,以下结论中:DEF是等边三角形;CDF=2 ADE;四边形DEBF的面积是9;假设 AE=AB,则 DE=2一定正确的结论是_把所有正确结论的序号都写在横线上
11、三、本大题共2 小题,每题8 分,总分值16 分15计算:22cos30+20160|2|16某天蔬菜经营户用120 元批发了西兰花和胡萝卜共60kg 到菜市场零售,西兰花和胡萝卜当天的批发价和零售价如表所示:品名西兰花胡萝卜批发价元/kg2.8 1.6 零售价元/kg3.8 2.5 如果他当天全部卖完这些西兰花和胡萝卜可获得利润多少元四、本大题共2 小题,每题8 分,总分值16 分17如图,一次函数y1=x+5 的图象与反比例函数y2=x0的图象相交于点A m,4和点 B4,n 1求 m,n 的值和反比例函数的表达式;2根据图象,直接写出函数值y2y1对应的自变量x 的取值范围18在边长为1
12、 个单位长度的小正方形组成的网格中建立如下图的平面直角坐标系,并给出了格点 ABC顶点是网格线的交点1画出 ABC绕坐标原点O 顺时针旋转90得到的格点A1B1C1;文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC
13、9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H
14、5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC
15、1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T
16、3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK
17、8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10
18、H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10&
19、知识就是力量&2直接写出点A在旋转变换过程中所经过的路径长不用说理五、本大题共2 小题,每题10 分,总分值20 分19如图,在海中距离小岛M海里范围内有暗礁,一轮船自南向北航行,它在A处测得小岛 M 位于北偏西30方向上,且 A,M 之间的距离为60 海里假设轮船继续向正北方向航行,有无触礁的危险?请通过计算加以说明如果有危险,轮船自A 处开始至少沿北偏东多少度方向航行,才能安全通过这一海域?20如图,在 ABC中,AC=BC,CAB=30,过点C作 CDAC 交 AB于点 D,O 是 ACD的外接圆1求证:BC是 O 的切线;2CE平分 ACD交 O 于点 E,假设 CD=1,求 AE的长
20、六、此题总分值12 分21为备战体育中考,李明同学就自己平时1 分钟跳绳的训练成绩,做了认真统计,并将训练成绩绘出了如下的频数分布表和频数分布直方图不完整 规定:1 分钟跳绳 120 个以下成绩为 D 等;120140 个为 C 等;140160 个为 B等;160 个以上为A 等根据以上信息,解答以下问题:1李明同学一共记录了_次平时测试的成绩;2补全频数分布表和频数分布直方图;文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8
21、T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 Z
22、K8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C1
23、0H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10
24、文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:C
25、C9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3
26、H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 H
27、C1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10&知识就是力量&3李明同学从篮球运球、足球运球、掷实心球、坐位体前屈、1 分钟跳绳、立定跳远等六个项目中任选两项作为自己的考试项目,求恰好含有1 分钟跳绳项目的概率一分钟跳绳成绩分布表成绩等次频数人频率D 5 0.1 C 10 0.2 B 25 0.5 A 10 0.2 合计50 1.00 七、此题总分值12 分22如图,ABC中,C=90,AC=3,BC=4,点 D 是 AB的中
28、点,点E在 DC的延长线上,且 CE=CD,过点 B作 BFDE 交 AE的延长线于点F,交 AC 的延长线于点G1求证:AB=BG;2假设点P 是直线 BG上的一点,试确定点P 的位置,使 BCP与 BCD相似八、此题总分值14 分23如图,抛物线y=ax12n 与直线 y=2x+b 相交于点 A 1,0和点 Bm,12 1试确定该二次函数的表达式;2假设抛物线y=ax 12n 的顶点为C,求 ABC的面积;3假设点P 是抛物线y=ax12n 上点 C点 B 部分不含点B 和点 C的一动点,当四边形 ABPC的面积到达最大时,求点P的坐标文档编码:CC9G3O3H5K2 HC1Q7Q8T3W
29、7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M
30、6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3
31、N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编
32、码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G
33、3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K
34、2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q
35、7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10&知识就是力量&文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC
36、1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T
37、3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK
38、8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10
39、H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文
40、档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC
41、9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H
42、5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10&知识就是力量&参考答案与试题解析一、选择题 共 10 小题,每题 4 分,总分值 40 分,在每题给出的选项中,只有一个符合题1 2016 的相反数是A 2016 B2016 CD【考点】相反数【分析】直接利用互为相反数的定义分析得出答案【解答】解:2006+2006=0,2016 的相反数是:2006故选:B2以下运算正确的选项是A2x+3y=5xy Bx2?x3=x
43、6Cx5 x=x4D xy2=x2y2【考点】同底数幂的除法;合并同类项;同底数幂的乘法;完全平方公式【分析】A、原式不能合并,错误;B、原式利用同底数幂的乘法法则计算得到结果,即可作出判断;C、原式利用同底数幂的除法法则计算得到结果,即可作出判断;D、原式利用完全平方公式化简得到结果,即可作出判断【解答】解:A、原式不能合并,错误;B、原式=x5,错误;C、原式=x4,正确;D、原式=x22xy+y2,错误,故选 C 3如图是平放在水平桌面上的未拆封的桶装方便面,它的俯视图是ABCD【考点】简单组合体的三视图【分析】俯视图是从上面看所得到的图形,比较即可文档编码:CC9G3O3H5K2 HC
44、1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T
45、3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK
46、8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10
47、H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文
48、档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC
49、9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H
50、5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10文档编码:CC9G3O3H5K2 HC1Q7Q8T3W7 ZK8M6C10H3N10&知识就是力量&【解答】解:俯视图是从物体的上面往下看,可以得出俯视图里面的圆周不是实线是:,故选 D4百合花的花粉的直径约0.000000087 米,这里0.000000087 用科学记数法表示为A8.7