2023年云南省楚雄州双柏县中考数学模拟预测题(二)
云南
九年级
模拟预测
2024-05-21
66次
整体难度:
容易
考查范围:
数与式、图形的变化、图形的性质、方程与不等式、函数、统计与概率
一、单选题 添加题型下试题
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 用科学记数法表示绝对值大于1的数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc24bf4689a980b8734c67ac57b9763a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 一元二次方程的解解读 一元二次方程的根与系数的关系解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45104c0d10bcd150baae05aabff8934.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 单项式规律题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b4f23770747042d68b0fa011762258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
A.![]() | B.2 | C.![]() | D.![]() |
【知识点】 用反比例函数描述数量关系解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ce350cdc881580e1b89ac95e92f279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
人数(人) | 1 | 4 | 3 | 2 |
分数(分) | 80 | 90 | 85 | 95 |
A.90,90 | B.90,85 | C.90,87.5 | D.85,85 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8176754726d2194c890e80df1a1f1c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
A.2 | B.4 | C.8 | D.10 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01639bca9e56b3a1caf0808e06d49a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9db58aa1e9c1383f0729461fa2fcde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e85c53a287e873f35c9ca64972023c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcf824fcf7aa9211980142acc3cb226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edabae47b9b9df627aaa281ca0f4e71a.png)
【知识点】 对顶角相等解读 两直线平行同旁内角互补解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4383bc6c0377dc4acacce7d85e78312d.png)
【知识点】 求一个数的算术平方根解读 求一个数的立方根解读 实数的混合运算
【知识点】 三角形三边关系的应用解读 等腰三角形的定义
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c73aa5c00e7a2cccad63bf4da74293.png)
【知识点】 分式加减乘除混合运算解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cb19a4ba3382485f1675887f22c456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c8dbc31b2e14067ef2f34b4e25f114.png)
(2)估计该校“非常了解”和“了解较多”的家长共有多少人?
(1)用列表法或画树状图法,求小明参赛的概率;
(2)你认为这个游戏公平吗?请说明理由.
【知识点】 列表法或树状图法求概率解读 游戏的公平性解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf7dc43a39738e3e2a0b819be505c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644f63756fe9251e65cc14e1ce9723d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/9/cde519c4-45c3-4a98-91bc-4e31f43b6c36.png?resizew=195)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
下表是租车公司提供给学校有关两种型号客车的载客量和租金信息:
型号 | 载客量 | 租金单价 |
A | 20人/辆 | 300元 |
B | 15人/辆 | 200元 |
设学校租用A型号客车
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若要使租车总费用不超过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509f23aa25e0acd922ebbbf2f0d0150c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e2c17d4d575f9c14180c5648b0d6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530f462e5ec1e58c46e1f7644d0cc21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49437f474e5805688dff21ded2d1fd7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86d742ce7f67be0f7ad03b67d1cafa1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6ad6387d592102a743742620eee7fe.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba473d8259b0d54c0bc617d07aea6cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f10c9b6c2aa5788bad0620de1b88cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
试卷分析
试卷题型(共 24题)
试卷难度
知识点分析
细目表分析 导出
题号 | 难度系数 | 详细知识点 | 备注 |
一、单选题 | |||
1 | 0.94 | 倒数 | |
2 | 0.65 | 用科学记数法表示绝对值大于1的数 | |
3 | 0.85 | 轴对称图形的识别 中心对称图形的识别 | |
4 | 0.85 | 从不同方向看几何体 | |
5 | 0.94 | 一元二次方程的解 一元二次方程的根与系数的关系 | |
6 | 0.85 | 正多边形的外角问题 | |
7 | 0.85 | 单项式规律题 | |
8 | 0.94 | 用反比例函数描述数量关系 | |
9 | 0.85 | 直角三角形的两个锐角互余 同弧或等弧所对的圆周角相等 半圆(直径)所对的圆周角是直角 | |
10 | 0.85 | 求中位数 求众数 | |
11 | 0.65 | 求扇形半径 求圆锥底面半径 | |
12 | 0.65 | 列分式方程 | |
二、填空题 | |||
13 | 0.85 | 提公因式法分解因式 | |
14 | 0.94 | 对顶角相等 两直线平行同旁内角互补 | |
15 | 0.85 | 求一个数的算术平方根 求一个数的立方根 实数的混合运算 | |
16 | 0.65 | 三角形三边关系的应用 等腰三角形的定义 | |
三、解答题 | |||
17 | 0.85 | 分式加减乘除混合运算 | 计算题 |
18 | 0.85 | 全等的性质和SSS综合(SSS) 根据等角对等边证明边相等 | 证明题 |
19 | 0.85 | 由样本所占百分比估计总体的数量 求扇形统计图的圆心角 由扇形统计图求总量 条形统计图和扇形统计图信息关联 | 作图题 |
20 | 0.65 | 列表法或树状图法求概率 游戏的公平性 | 问答题 |
21 | 0.65 | 用勾股定理解三角形 利用菱形的性质求面积 证明四边形是菱形 根据旋转的性质求解 | 证明题 |
22 | 0.85 | 用一元一次不等式解决实际问题 一元一次不等式组应用 其他问题(一次函数的实际应用) | 问答题 |
23 | 0.4 | 根据平行线的性质求角的度数 根据矩形的性质与判定求线段长 利用垂径定理求值 证明某直线是圆的切线 | 问答题 |
24 | 0.65 | 把y=ax²+bx+c化成顶点式 y=ax²+bx+c的图象与性质 y=ax²+bx+c的最值 利用不等式求自变量或函数值的范围 | 问答题 |