如图,在
中,
,
,点
分别为
的中点,点P从A点向D点运动,点Q在
上,且
,连接
,过点Q作
交AB与点F,设点P运动的路程为x,
的面积为
,则能反映y与x之间关系的图象是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/3dd31b2a-6aab-4b15-bf21-d2268113d64d.png?resizew=127)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46de792a9388bc13e70dc28eeab60405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6c6203b1544957dff64a0c045a2760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4651d1c5198f0420a7efdbd7d7ca3b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c98007dc2bdbbe0c0e9e7fc7a9505ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ff9dcff6816cc71273063b5013b4b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/3dd31b2a-6aab-4b15-bf21-d2268113d64d.png?resizew=127)
A.![]() | B.![]() | C.![]() | D.![]() |
2023·北京·模拟预测 查看更多[2]
更新时间:2023-09-27 16:33:52
|
相似题推荐
单选题
|
较难
(0.4)
【推荐1】如图1,S是矩形ABCD的AD边上一点,点E以每秒kcm的速度沿折线BS-SD-DC匀速运动,同时点F从点C出发点,以每秒1cm的速度沿边CB匀速运动.已知点F运动到点B时,点E也恰好运动到点C,此时动点E,F同时停止运动.设点E,F出发t秒时,△EBF的面积为
.已知y与t的函数图像如图2所示.其中曲线OM,NP为两段抛物线,MN为线段.则下列说法:
①点E运动到点S时,用了2.5秒,运动到点D时共用了4秒;
②矩形ABCD的两邻边长为BC=6cm,CD=4cm;
③sin∠ABS=
;
④点E的运动速度为每秒2cm.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/22/02afc39d-0100-4c07-924a-bf2b46847864.png?resizew=336)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0e3edc86f777c300ae57599b27e492.png)
①点E运动到点S时,用了2.5秒,运动到点D时共用了4秒;
②矩形ABCD的两邻边长为BC=6cm,CD=4cm;
③sin∠ABS=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
④点E的运动速度为每秒2cm.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/22/02afc39d-0100-4c07-924a-bf2b46847864.png?resizew=336)
A.①②③ | B.①③④ | C.①②④ | D.②③④ |
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【推荐2】如图1所示,E为矩形ABCD的边AD上一点,动点P、Q同时从点B出发,点P以1cm/秒的速度沿折线BE-ED-DC运动到点C时停止,点Q以2cm/秒的速度沿BC运动到点C时停止,设P、Q同时出发t秒时,BPQ的面积为ycm2,已知y与t的函数关系图象如图2所示(其中曲线OG为抛物线的一部分,其余各部分均为线段)所示,则下列结论:①BEBC;②当t6秒时,ABE PQB;③点P运动了18秒;④当t
秒时,ABE∽QBP.其中正确的是( ).
![](https://img.xkw.com/dksih/QBM/2020/4/8/2437274093330432/2437699308675072/STEM/95cadc24c40b416993e1fe1229dc1e0b.png?resizew=137)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a44d321ae2abfc4e566933a92637d1.png)
![](https://img.xkw.com/dksih/QBM/2020/4/8/2437274093330432/2437699308675072/STEM/23deeb1fc14c4b66abd4620d1d62dfa3.png?resizew=88)
![](https://img.xkw.com/dksih/QBM/2020/4/8/2437274093330432/2437699308675072/STEM/95cadc24c40b416993e1fe1229dc1e0b.png?resizew=137)
A.①② | B.①③④ | C.③④ | D.①②④ |
您最近一年使用:0次
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【推荐1】如图,已知在
中,
,点
为直角边
的中点,点
为
形内的一个动点,点
为
的中点,若
,
,
,当
取得最小值时,
的度数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a7c043568fa59967d1cf74ceb310f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2154f7957491a03cc353b0192f17c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e520cef3cebf757a24737ffb661834.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/12/a225f162-b6c6-45a7-b3ad-5632c5556e8f.png?resizew=158)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在直角
中,
,点
为斜边
上的中点,点
分别在直角边
上运动,且保持
,连接
,在点
的运动过程中,有下列结论:①
为等腰直角三角形;②四边形
不可能为正方形;③四边形
的面积保持不变;④
长度的最小值为4;⑤
面积最大值为8.其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/abb9f22e-5df3-4b3b-894a-0fe162fb7e6f.png?resizew=201)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5e107a058d5a819c1f55e25ea499fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97075fe3c2a105f5d2d0a27a9f2b3410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a5734077dda25a1604262ca08e4f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a61d8bedef61745ee4fd89a8c0c119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a61d8bedef61745ee4fd89a8c0c119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/abb9f22e-5df3-4b3b-894a-0fe162fb7e6f.png?resizew=201)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
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【推荐1】如图所示,在正方形
中,
是线段
上的一个动点(不与
、
重合),
.下列结论中正确的是( )
①四边形
是正方形;②
总是过
的中点;③当
是线段
中点时,
;
④四边形
的面积始终是正方形
面积的一半.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/4d8fcc7acd03b7f4dae7d21ed6490345.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/759d9da2-4dee-4230-9682-e9e4e904fd11.png?resizew=144)
①四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3534df651f0a681bc905795b26833107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf9194e62c067e234baff1ba37736b.png)
④四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3534df651f0a681bc905795b26833107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.①③ | B.②④ | C.①②③ | D.①③④ |
您最近一年使用:0次
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【推荐2】如图,在△ABC中,∠ACB=90º,AC=BC=1,E、F为线段AB上两动点,且∠ECF=45°,过点E、F分别作BC、AC的垂线相交于点M,垂足分别为H、G.现有以下结论:①AB=
;②当点E与点B重合时,MH=
;③AF+BE=EF;④MG•MH=
,其中正确结论为( )
![](https://img.xkw.com/dksih/QBM/2017/12/25/1846098890858496/1851209774972928/STEM/f9b6a4df3b4b4fa08dfb2dfc4677db77.png?resizew=108)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/2017/12/25/1846098890858496/1851209774972928/STEM/f9b6a4df3b4b4fa08dfb2dfc4677db77.png?resizew=108)
A.①②③ | B.①③④ | C.①②④ | D.①②③④ |
您最近一年使用:0次
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【推荐1】如图,在平面直角坐标系中,
,
,
三点的坐标分别为
,
,
,
为线段
上的一个动点,连结
,过点
作
交
轴于点
,当点
从点
运动到点
时,点
也随之运动.设点
的坐标为
,则
的取值不可能是下列选项中的( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/fbd06772-38a5-4a6e-bda3-31b36fbe27ee.png?resizew=143)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cede5437be5d7fbe7c3da89b2d217505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef7629fe45bf6af93bb0b6523e3837e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb442fb1fe1a5d9768cf11c3e1b7ec5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067d7a214e84a9fc0dd19dd0d442a524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/fbd06772-38a5-4a6e-bda3-31b36fbe27ee.png?resizew=143)
A.1 | B.0 | C.![]() | D.![]() |
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【推荐2】如图,AB为⊙O的直径,C为
的中点,D为劣弧CB上一个动点(点D不与B,C重合),过D作⊙O的切线交AB延长线于点P,连接CD并延长交AB延长线于点Q,给出下列结论:①若CB
DP,则∠DAB=22.5°;②若PB=BD,则∠DPA=30°;③DP可能成为∠BDQ的平分线;④若⊙O的半径为1,则CD⋅CQ=AB;⑤0°<∠PDQ≤45°.其中正确结论的个数为( )
![](https://img.xkw.com/dksih/QBM/2022/9/28/3076133317591040/3077016998051840/STEM/5082dc96b3544c6496e8bf4297c6fcdc.png?resizew=247)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://img.xkw.com/dksih/QBM/2022/9/28/3076133317591040/3077016998051840/STEM/5082dc96b3544c6496e8bf4297c6fcdc.png?resizew=247)
A.5 | B.4 | C.3 | D.2 |
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【推荐3】如图,在边长为4的正方形ABCD中,P是BC边上一动点(不含B、C两点),将△ABP沿直线AP翻折,点B落在点E处;在CD上有一点M,使得将△CMP沿直线MP翻折后,点C落在直线PE上的点F处,直线PE交CD于点N,连接MA,NA.则以下结论中正确的是( )
①△CMP~△BPA;②四边形AMCB的面积最大值为10;③当P为BC中点时,AE为线段NP的中垂线;④线段 AM的最小值为2
;⑤当△ABP≌△ADN时,BP=
.
![](https://img.xkw.com/dksih/QBM/2022/5/13/2978546900066304/3067022349934592/STEM/01edaed9189a42bb8d943d2514a44c86.png?resizew=123)
①△CMP~△BPA;②四边形AMCB的面积最大值为10;③当P为BC中点时,AE为线段NP的中垂线;④线段 AM的最小值为2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61b7416bc7deb40caca231375213b08.png)
![](https://img.xkw.com/dksih/QBM/2022/5/13/2978546900066304/3067022349934592/STEM/01edaed9189a42bb8d943d2514a44c86.png?resizew=123)
A.①③④ | B.①②⑤ | C.①②③ | D.②④⑤ |
您最近一年使用:0次