名校
1 . 设一元二次方程
的两实根分别为
,则
满足( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a164c67923fa020735240b3836c7fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3f51410d969f9fb41a595a028a6f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
名校
2 . 已知
则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7a08897d09dd0375375c7384c9a031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . “扇形窗下清风徐”.如图所示是一个扇子形窗,其所在的扇形半径为
,圆心角为
,窗子左右两边的边框长度都为
,则该窗的面积约为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/5473f5c3-9827-4770-b16d-e804683b2da1.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84755b560534a4cab0c57e1a31cb656c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9871f2a312aaf3a19b40e4fb1a7693b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/5473f5c3-9827-4770-b16d-e804683b2da1.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-26更新
|
227次组卷
|
3卷引用:安徽省宿州市泗县第一中学2023-2024学年高一下学期开学适应性训练数学试题
4 . 如图,在
中,
于点
,
于点
,
为
边的中点,连接
、
、
,则下列结论:①若
,则
;②若
,则
;③若
,则
为等边三角形;④若
,则
.其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3f843b83e62bab294988a7ea134a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ffdf36ba9697d1fe3376a854c26c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55468740d16e56ab5107b9b90a44bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857f848e92a8e900d742cf90314b1ee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c284ccb6f4ee7a8690013d2ce16e226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8fd793511c7f18df93baea6c2cc9df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/3a94ed2c-7357-4149-adaa-a76e976fa5f7.png?resizew=160)
A.①②③ | B.①③④ | C.①②④ | D.②③④ |
您最近一年使用:0次
5 . 如图入口进入,沿框内问题的正确判断方向,最后到达的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/b105ab4a-dcbd-4d5e-8cff-2a9791ee7e6f.png?resizew=582)
A.甲 | B.乙 | C.丙 | D.丁 |
您最近一年使用:0次
6 . 如图,在
轴上方,平行于
轴的直线与反比例函数
和
的图象分别交于
、
两点,连接
,过
点作
交
轴于
点,若平行四边形
的面积为12,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54cec401b13d837b0cc8040d15a7a37f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b0f2c0352a94898281927fa8cb7a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a1640802834338873fda4650f2e621.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/5889f01c-561d-4161-ad6e-e2e529ed60d8.png?resizew=180)
A.12 | B.-12 | C.6 | D.-6 |
您最近一年使用:0次
解题方法
7 . 物理某一实验的电路图如图所示,其中K1,K2,K3为电路开关,L1,L2为能正常发光的灯泡.任意闭合开关K1,K2,K3中的两个,那么能让两盏灯泡同时发光的概率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/694826d8-a96d-4d3a-9db0-306dde396a11.png?resizew=178)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图所示零件的左视图是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/b7209040-0522-4b0f-889b-8edf8cbf4dd5.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/b7209040-0522-4b0f-889b-8edf8cbf4dd5.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 如图,点D在半圆O上,半径
,
,点C在弧
上移动,连接
,H是
上一点,
,连接
,点C在移动的过程中,
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6298ce944d2be70bc3fb1662f73397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26ad70d2b3aac8604834d57dfc59bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57570f783a548fd32e1ae8e84bf9cb79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/3dd32096-e099-4388-a708-c3ecd48680e7.png?resizew=164)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
10 . 如图,若
为正整数,则表示
的值的点落在( )
![](https://img.xkw.com/dksih/QBM/2023/10/14/3345962362314752/3347423293464576/STEM/8bec73e231534815b3281285f243d99a.png?resizew=230)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce54976bfbdfb618cc5e268b9a5be7ce.png)
![](https://img.xkw.com/dksih/QBM/2023/10/14/3345962362314752/3347423293464576/STEM/8bec73e231534815b3281285f243d99a.png?resizew=230)
A.段① | B.段② | C.段③ | D.段④ |
您最近一年使用:0次