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解题方法
1 . 下列命题中,正确的有( )
A.![]() |
B.若平面向量![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.若平面向量![]() ![]() ![]() ![]() ![]() ![]() |
D.若平面向量![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-09-20更新
|
260次组卷
|
2卷引用:江西省全南中学2023-2024学年高二上学期开学考试数学试题
2 . 如图,在第
个白球的前面,黑球的个数总共有( )
![](https://img.xkw.com/dksih/QBM/2023/8/26/3311393424121856/3311791515353088/STEM/28b8d4e327e04d63ba830e60fd651748.png?resizew=360)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b837fd9c52f60bfb3b6852733abc790.png)
![](https://img.xkw.com/dksih/QBM/2023/8/26/3311393424121856/3311791515353088/STEM/28b8d4e327e04d63ba830e60fd651748.png?resizew=360)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 将一张三角形纸片按如图步骤①至④折叠两次得图⑤,然后剪出图⑤中的阴影部分,则阴影部分展开铺平后的图形是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/27b2dc78-9d2b-49b8-8ed5-9cdc307716f0.png?resizew=445)
A.等腰三角形 | B.直角三角形 | C.矩形 | D.菱形 |
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4 . 一块含
角的直角三角板和直尺如图放置,若
,则∠2的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa7e65dd94d2331af8e7a8602cb163a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/f76db4d8-485c-40d4-9d55-214c0496800b.png?resizew=169)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 2022北京冬奥会开幕式的地屏为观众呈现了一场精彩的视觉盛宴.它是由46504个面积为2500cm²的单元箱体组成的,是目前世界上最大规模的LED舞台,能够呈现裸眼3D效果,则该地屏的总面积用科学记数法可表示为 ( )
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 如图(1),在
和
中,∠
∠
,
,
,点E在
内部,
之间存在怎样的数量关系?问题探究:
(1)先将问题特殊化如图(2),当点D,F重合时,直接写出一个等式,表示AF,BF,CF之间的数量关系;
(2)再探究一般情形如图(1),当点D,F不重合时(1)中的结论仍然成立.
(3)如图(3),在
和
中,∠
∠
,
,
(k是常数),点E在
内部,直接写出一个等式,表示线段AF,BF,CF之间的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cfc1ef64a936ca570899d2f9d3ed0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e99ba4000c308df0b0b9d9c95af7750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ca0f2b2b40440365fcce22ac32c0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ec8abe5af19094282bf63a98fde427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f92d3a98b016927de4bbb9b9564894f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/29/c9b7ded6-a8c4-445f-a0f0-8f4d74fd36ef.png?resizew=191)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/29/e2eb6686-889d-490d-903f-616d1514fb68.png?resizew=194)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/29/d707c321-bd78-4b6b-ad13-3d24b3636524.png?resizew=215)
(1)先将问题特殊化如图(2),当点D,F重合时,直接写出一个等式,表示AF,BF,CF之间的数量关系;
(2)再探究一般情形如图(1),当点D,F不重合时(1)中的结论仍然成立.
(3)如图(3),在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6cfc1ef64a936ca570899d2f9d3ed0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e99ba4000c308df0b0b9d9c95af7750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54700d4ece8fa8e39ea49e658c9b1de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b3b0568855a132ae04f1c199db7494f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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7 . 在2022年卡塔尔世界杯上足球巨星梅西带领的阿根廷队获得冠军.在决赛中,法国球员姆巴佩在离对方球门30米处的
点处起脚吊射(把球高高地挑过守门员的头顶,射入球门),假如球飞行的路线是一条抛物线,在飞出水平距离16米时,足球达到最大高度8米.如图所示,以姆巴佩所在位置
点为原点,姆巴佩与对方球门所在直线为
轴,建立平面直角坐标系.
(1)求满足条件的抛物线的函数表达式;
(2)如果阿根廷球员蒙铁尔站在法国球员姆巴佩前3米处,蒙铁尔跳起后最高能达到
米,那么蒙铁尔能否在空中截住这次吊射?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/f9b5bc4c-1d45-4d18-a1a4-8d7b32ee65cc.png?resizew=509)
(1)求满足条件的抛物线的函数表达式;
(2)如果阿根廷球员蒙铁尔站在法国球员姆巴佩前3米处,蒙铁尔跳起后最高能达到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9eb0ed6df9f9e59651ba2d94e95c859.png)
您最近一年使用:0次
8 . 如图1是一盏可调节台灯,图2为其平面示意图,固定底座
与水平面
垂直,
为固定支撑杆,BC为可绕着点B旋转的调节杆,若
,
,
,
,
,求台灯灯体
到水平面
的距离.(结果精确到
,参考数据:
,
,
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9018fd90522f3e6df4fbdf3c1b88d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2945172cdc1fd86b8d1d1046bfe38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce62bfefacedc6efc521bddf80ea8155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bdf04df837b840a9283f782ea78190b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2804f8aad6be59ce31602a5555724dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87796ee30e6c5d5e6b6285b32abe10c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548886cc097885e50ba71fa992947bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fc0370990fa77b95e0e64a33080568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48539491ba4b4f9009150bd55b039ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a643249504c6090ac86e2982819e791c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158d347b3b739c23928d8f02132bebdc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/28/9f2354ca-aba9-411a-98a2-2077aa0e0ea9.png?resizew=234)
您最近一年使用:0次
9 . 如图,在平面直角坐标系中,
的边
在
轴上,
轴,点
的坐标为
,
,将
向下方平移,得到
,且点
的对应点
落在反比例函数
的图象上,点
的对应点
落在
轴上,连接
,
.
(1)求证:四边形
为平行四边形;
(2)求反比例函数
的表达式;
(3)求
平移的距离及线段
扫过的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbea3f964b81d5077a4db9c4de1fa00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ccfd5d01a4ca0cdb90cb9cdd3ad30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412de93a9a3a2dfbb727b793453c4196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8dccfaf49b0f8e0fd927f30a50cdfd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/28/d186834c-42ab-417a-a395-e5bdaaf5f6b9.png?resizew=166)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0673b104672ac58d8a0e675f045df325.png)
(2)求反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412de93a9a3a2dfbb727b793453c4196.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
10 . 某校为了解学生第一个“双减”后的暑假最期待什么活动,校学生会随机对该校七年级部分学生进行了问卷调查,调查结果分为四个类别:A表示“广泛阅读”,B表示“劳动实践”,C表示“户外运动”,D表示“其他”,每个同学只能选择其中的一项,根据调查统计结果,绘制成两种不完整的统计图.请结合统计图,回答下列问题.
(2)将条形统计图补充完整;
(3)该校七年级有800名学生,估计全校七年级学生中最期待“劳动实践”的约有多少名?
(2)将条形统计图补充完整;
(3)该校七年级有800名学生,估计全校七年级学生中最期待“劳动实践”的约有多少名?
您最近一年使用:0次
2023-08-27更新
|
240次组卷
|
3卷引用:江西省大余县梅关中学2023-2024学年高一上学期开学考试数学试题
江西省大余县梅关中学2023-2024学年高一上学期开学考试数学试题9.2.1总体取值规律的估计练习(已下线)9.2.1总体取值规律的估计(第2课时)(分层练习)-【上好课】人教A版2019必修第二册)