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1、2016 年辽宁省营口市中考数学试卷一、选择题以下各题的备选答案中，只有一个是正确的。每题3 分，共 30 分1 23的相反数是A 8 B8 C 6 D6 2如下图的物体是由两个紧靠在一起的圆柱体组成，小明准备画出它的三视图，那么他所画的三视图中的主视图应该是ABC D3假设关于x 的一元二次方程kx2+2x1=0 有实数根，则实数k 的取值范围是Ak 1 Bk 1 Ck 1 且 k0 Dk 1 且 k0 4如图，将一副三角板叠放在一起，使直角的顶点重合于点O，ABOC，DC 与 OB 交于点 E，则 DEO 的度数为A85 B70 C75 D605化简+的结果为A0 B2 C 2D26如图，
2、矩形ABCD 的对角线交于点O，假设 ACB=30 ，AB=2，则 OC 的长为A2 B3 C2D4 7为了解某市参加中考的25000 名学生的身高情况，抽查了其中1200 名学生的身高进行统计分析下面表达正确的选项是A25000 名学生是总体B1200 名学生的身高是总体的一个样本C每名学生是总体的一个个体D以上调查是全面调查8如图，在 ABC 中，ACB=90 ，分别以点A 和点 C 为圆心，以相同的长大于AC 为半径作弧，两弧相交于点M 和点 N，作直线 MN 交 AB 于点 D，交 AC 于点 E，连接 CD 以下结论错误的选项是AAD=CD B A=DCE C ADE=DCB D A
3、=2 DCB 9已知一次函数y=a+1x+b的图象如下图，那么a 的取值范围是Aa1 Ba 1 Ca 1 D a0 10如图，等腰直角三角形ABC 的直角顶点C 与平面直角坐标系的坐标原点O 重合，AC，BC 分别在坐标轴上，AC=BC=1，ABC 在 x 轴正半轴上沿顺时针方向作无滑动的滚动，在滚动过程中，当点C 第一次落在x 轴正半轴上时，点A 的对应点A1的横坐标是A2 B3 C1+D2+二、填空题每题3 分，共 24 分11在网络上搜索“奔跑吧，兄弟”，能搜索到与之相关的结果为35 800 000 个，将 35 800 000用科学记数法表示为12 如图，AB 是 O 的直径，弦 CD
4、 垂直平分 OB，垂足为点E，连接 OD、BC，假设 BC=1，则扇形 OBD 的面积为13已知一组数据：18，17，13，15，17，16，14，17，则这组数据的中位数与众数分别是14假设分式有意义，则a 的取值范围是文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3
5、ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W
6、4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3
7、ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W
8、4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3
9、ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W
10、4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R7文档编码:CU4W4B7F6E9 HZ3P4V1C8D3 ZR8W8Q9H4R715如图，在边长为1 的小正方形组成的网格中，建立平面直角坐标系，ABC 的三个顶点均在格点网格线的交点上以原点O 为位似中心，画A1B1
11、C1，使它与 ABC 的相似比为 2，则点 B 的对应点B1的坐标是16如图，四边形ABCD 为正方形，点A、B 在 y 轴上，点 C 的坐标为 3，1，反比例函数 y=的图象经过点D，则 k 的值为17以下图形中：圆；等腰三角形；正方形；正五边形，既是轴对称图形又是中心对称图形的有个18如图，二次函数y=ax2+bx+c a0的图象与x 轴交于 A、B 两点，与y 轴交于点C，对称轴是直线x=1，点 B 的坐标为 1，0 下面的四个结论：AB=4；b24ac0；ab0；ab+c0，其中正确的结论是填写序号 三、解答题19先化简，再求值：1，其中 x=2+文档编码:CH5V1J4I5W9 HR
12、5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P
13、10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 Z
14、M8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2
15、H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文
16、档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH
17、5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I
18、5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I720如图是一个转盘，转盘被平均分成4 等份，即被分成4 个大小相等的扇形，4 个扇形分别标有数字1、2、3、4，指针的位置固定，转动转盘后任其自由停止，每次指针落在每一扇形的时机均等假设指针恰好落在分界线上
19、则重转1图中标有“1”的扇形至少绕圆心旋转度能与标有“4”的扇形的起始位置重合；2现有一本故事书，姐妹俩商定通过转盘游戏定输赢赢的一方先看 游戏规则是：姐妹俩各转动一次转盘，两次转动后，假设指针所指扇形上的数字之积为偶数，则姐姐赢；假设指针所指扇形上的数字之积为奇数，则妹妹赢 这个游戏规则对双方公平吗？请利用树状图或列表法说明理由21学校为了了解全校1600 名学生对“初中学生带上学”现象的看法，在全校随机抽取了假设干名学生进行问卷调查问卷给出了四种看法供学生选择，每人只能选一种，且不能不选将调查结果整理后，绘制成如图 、图 所示的条形统计图与扇形统计图均不完整 1在这次调查中，一共抽取了多少
20、名学生？2补全条形统计图和扇形统计图；3估计全校有多少名学生对“初中学生带上学”现象持“不赞同”的看法22某居民楼紧挨一座山坡AB，经过地质人员勘测，当坡度不超过45 时，可以确保山体不滑坡，如下图，已知AEBD，斜坡 AB 的坡角 ABD=60 ，为防止滑坡，现对山坡进行改造，改造后，斜坡 BC 与地面 BD 成 45 角，AC=20 米求斜坡 BC 的长是多少米？结果精确到0.1 米，参考数据：1.41，23如图，AB 为 O 的直径，CD 切 O 于点 C，与 BA 的延长线交于点D，OEAB 交O 于点 E，连接 CA、CE、CB，过点 A 作 AFCE 于点 F，延长 AF 交 BC
21、 于点 P1求证：CA=CP；2连接 OF，假设 AC=，D=30，求线段OF 的长文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:C
22、H5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4
23、I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 H
24、R5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5
25、P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8
26、ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y
27、2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I724谋划点准备购进甲、乙两种花卉，假设购进甲种花卉20 盆，乙种花卉50 盆，需要
28、720元；假设购进甲种花卉40 盆，乙种花卉30 盆，需要880 元1求购进甲、乙两种花卉，每盆各需多少元？2该花店销售甲种花卉每盆可获利6 元，销售乙种花卉每盆可获利1 元，现该花店准备拿出 800 元全部用来购进这两种花卉，设购进甲种花卉x 盆，全部销售后获得的利润为W元，求 W 与 x 之间的函数关系式；3在 2的条件下，考虑到顾客需求，要求购进乙种花卉的数量不少于甲种花卉数量的6 倍，且不超过甲种花卉数量的8 倍，那么该花店共有几种购进方案？在所有的购进方案中，哪种方案获利最大？最大利润是多少元？25已知：如图，将 D=60 的菱形 ABCD 沿对角线AC 剪开，将 ADC 沿射线 D
29、C 方向平移，得到BCE，点 M 为边 BC 上一点点M 不与点 B、点 C 重合，将射线AM 绕点 A 逆时针旋转60，与 EB 的延长线交于点N，连接 MN1 求证：ANB=AMC；探究 AMN 的形状；2如图 ，假设菱形ABCD 变为正方形ABCD，将射线AM 绕点 A 逆时针旋转45，原题其他条件不变，1中的 、两个结论是否仍然成立？假设成立，请直接写出结论；假设不成立，请写出变化后的结论并证明26如图 ，已知 ABC 的三个顶点坐标分别为A 1，0、B3，0、C0，3，直线 BE 交 y 轴正半轴于点E1求经过A、B、C 三点的抛物线解析式及顶点D 的坐标；2连接 BD、CD，设 D
30、BO=，EBO=，假设 tan =1，求点 E 的坐标；3如图 ，在 2的条件下，动点M 从点 C 出发以每秒个单位的速度在直线BC上移动不考虑点M 与点 C、B 重合的情况，点 N 为抛物线上一点，设点M 移动的时间为 t 秒，在点M 移动的过程中，以E、C、M、N 四个点为顶点的四边形能否成为平行四边形？假设能，直接写出所有满足条件的t 值及点 M 的个数；假设不能，请说明理由文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5
31、P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8
32、ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y
33、2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7
34、文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:C
35、H5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4
36、I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 H
37、R5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5
38、P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8
39、ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y
40、2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7
41、文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:C
42、H5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4
43、I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 H
44、R5U1B5P10Z8 ZM8J9Y2H10I72016 年辽宁省营口市中考数学试卷参考答案与试题解析一、选择题以下各题的备选答案中，只有一个是正确的。每题3 分，共 30 分1 23的相反数是A 8 B8 C 6 D6【考点】相反数【分析】分析：数a的相反数是 a，即互为相反数两个数只差一个符号注意：0 的相反数是 0 本身【解答】解：23=8 8 的相反数是8 23的相反数是8故选：B 2如下图的物体是由两个紧靠在一起的圆柱体组成，小明准备画出它的三视图，那么他所画的三视图中的主视图应该是ABC D【考点】简单组合体的三视图【分析】根据从正面看得到的图形是主视图，可得答案【解答】解：圆柱从
45、正面看是长方形，两个圆柱，看到两个长方形故选：A3假设关于x 的一元二次方程kx2+2x1=0 有实数根，则实数k 的取值范围是Ak 1 Bk 1 Ck 1 且 k0 Dk 1 且 k0【考点】根的判别式【分析】根据方程根的情况可以判定其根的判别式的取值范围，进而可以得到关于k 的不等式，解得即可，同时还应注意二次项系数不能为0【解答】解：关于x 的一元二次方程kx2+2x 1=0 有实数根，=b24ac0，即：4+4k0，解得：k 1，关于 x 的一元二次方程kx22x+1=0 中 k0，故选：C文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:C
46、H5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4
47、I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 H
48、R5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5
49、P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8
50、ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y2H10I7文档编码:CH5V1J4I5W9 HR5U1B5P10Z8 ZM8J9Y