2013·海南海口·二模
1 . 切线
与圆切于点
,圆内有一点
满足
,
的平分线
交圆于
,
,延长
交圆于
,延长
交圆于
,连接
.
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571400889901056/1571400896045056/STEM/cc90bcdfe8cb46ea88822b7ed471dbc9.png)
(Ⅰ)证明:
//
;
(Ⅱ)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27f7309808e0c517168a2291cceee3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571400889901056/1571400896045056/STEM/cc90bcdfe8cb46ea88822b7ed471dbc9.png)
(Ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
(Ⅱ)求证:
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571400889901056/1571400896045056/STEM/27722750bb10488a97f33f51a063a9d9.png)
您最近一年使用:0次
2 . 选修4-1:几何证明选讲
如图,过点
作圆
的割线
与切线
,
为切点,连接
,
,
的平分线与
,
分别交于点
,
,其中
.
![](https://img.xkw.com/dksih/QBM/2015/3/25/1572031037652992/1572031043420160/STEM/5996f1f3c9e244e0a3d90f4a4bec5612.png)
求证:
;
求
的大小.
如图,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab653ffa6acf8b28096ff54719579d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81574a3738c0a314293ff7c74248971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e701290896a6a607a80c6556e833b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caef922685cef76f1ad8475c29bd04a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ebbd866e455cf80ea669c9f56f792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4afa86900c651a7ce4a2a180e06f9008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c065b293986a6728dae546acc0b199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d9ef421906bd73837cdba683037917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4afa86900c651a7ce4a2a180e06f9008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c065b293986a6728dae546acc0b199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f0b669ef4514f24ee09adeff7f41238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b309a69bd4786e90412a810e8ad0600c.png)
![](https://img.xkw.com/dksih/QBM/2015/3/25/1572031037652992/1572031043420160/STEM/5996f1f3c9e244e0a3d90f4a4bec5612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baca09215d12421a58bd6a48ae16c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd133f93f01cc7cfd566e8aaf7629000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0c12379ff58d8ddf66547d7a873baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea899a0aa6359022562ecf806c9e517e.png)
您最近一年使用:0次
2019-01-30更新
|
256次组卷
|
2卷引用:2015届吉林省长春市普通高中高三质量监测(二)理科数学试卷
3 . 如图,
是
的直径,弦
与
垂直,并与
相交于点
,点
为弦
上异于点
的任意一点,连接
、并延长交
于点
⑴ 求证:
四点共圆;
⑵ 求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc6fe578974afb2f755e720de1cab32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
⑴ 求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f804f3c39d7719eb05cc8bb83a3813.png)
⑵ 求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660a4f0329ca48daf9cc4aa2b0139e58.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/6/9c176fa2-5960-49a7-aef3-c666db3b8882.png?resizew=189)
您最近一年使用:0次
12-13高三·吉林长春·阶段练习
名校
4 . 选修4-1:几何证明选讲
如图,
是
的切线,
过圆心
,
为
的直径,
与
相交于
、
两点,连结
、
.
(1) 求证:
;
(2) 求证:
.
如图,
![](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/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2018/2/6/1876416046931968/1877396790927360/STEM/333d2b2d265f4391af907d96debe12ab.png?resizew=161)
(1) 求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ff8177cea6224ba687f9e3ca2be99a.png)
(2) 求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb35064d517fcdbf1a9ecd69b09ea2a.png)
您最近一年使用:0次
12-13高三下·内蒙古赤峰·阶段练习
5 . 选修4—1:几何证明选讲.
如图,过圆
外一点
的作圆
的切线
,
为切点,过
的中点
的直线交圆
于
两点,连接
并延长交圆
于点
,连接
交圆
于点
,若
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/fc18b955-cfac-4d90-925c-c9e4c9f7dfb1.png?resizew=241)
(1)求证:
∽
;
(2)求证:四边形
是平行四边形.
如图,过圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a84d5c2699c43c88982b493628f496.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/fc18b955-cfac-4d90-925c-c9e4c9f7dfb1.png?resizew=241)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784b26de6134b6d3f5a81e2882a7d7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
(2)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b03589460aa53f9b666268f76438918.png)
您最近一年使用:0次
2016-12-02更新
|
826次组卷
|
6卷引用:2016届吉林省长春市普通高中高三质量监测二理科数学试卷
2016届吉林省长春市普通高中高三质量监测二理科数学试卷2016届吉林省长春市普通高中高三质量监测二文科数学试卷(已下线)2013届内蒙古赤峰二中、平煤高中高三5月联合考试文科数学试卷2016届重庆市一中高三下学期模拟文科数学试卷2016届河南省郑州一中高三考前冲刺四文科数学试卷2017届重庆市第一中学高三10月月考数学(文)试卷
6 . 选修4-1:几何证明选讲
如图,圆
是
的外接圆,
是弧
的中点,
交
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/14/dc1415fb-10eb-4970-9669-375e41c87fab.png?resizew=119)
(1)求证:
;
(2)若
,点
到
的距离为1,求圆
的半径
.
如图,圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/14/dc1415fb-10eb-4970-9669-375e41c87fab.png?resizew=119)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9a2089924d6c31b664d2f05cd9a474.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4836945f324c29ef818b423bcc017a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
您最近一年使用:0次
13-14高三上·吉林·阶段练习
7 . 如图,
为△
外接圆的切线,
的延长线交直线
于点
,
分别为弦
与弦
上的点,且
,
四点共圆.
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/046baa8eecc647aa900635c9d9c72552.png)
(Ⅰ)证明:
是△
外接圆的直径;
(Ⅱ)若
,求过
四点的圆的面积与△
外接圆面积的比值.
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/4af589ca1d4d4e06b04495feef0fabfe.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/dd4e208b1daf4f09be9a60af44320667.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/6785e2b2895143ccbd1cd9abcb782832.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/4af589ca1d4d4e06b04495feef0fabfe.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/cb0f607cbc1f4ebb8eb4c3c17468f50e.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/dfb718c36f194c998b6e116ad7846c29.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/6785e2b2895143ccbd1cd9abcb782832.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/32a7805a6419482cb4ed279a3de6dd48.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/dfbcc6dcb5fc4d8b88e5bc3be22d95c5.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/490433dc0c2f484ebbfba1088f450082.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/046baa8eecc647aa900635c9d9c72552.png)
(Ⅰ)证明:
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/215cc50511274c6abe3c4c41544f892a.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/dd4e208b1daf4f09be9a60af44320667.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/d72c187642694ce0b3392bcc85855296.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/490433dc0c2f484ebbfba1088f450082.png)
![](https://img.xkw.com/dksih/QBM/2013/11/26/1571402008043520/1571402014130176/STEM/dd4e208b1daf4f09be9a60af44320667.png)
您最近一年使用:0次
8 . 如图△ABC内接于⊙O,且AB=AC,过点A的直线交⊙O于点P,交BC的延长线于点D.
![](https://img.xkw.com/dksih/QBM/2015/10/23/1572263394385920/1572263400136704/STEM/4debd78c7624452cb857d433c652255b.png)
(Ⅰ)求证:AC2=AP•AD;
(Ⅱ)若∠ABC=60°,⊙O的半径为1,且P为弧AC的中点,求AD的长.
![](https://img.xkw.com/dksih/QBM/2015/10/23/1572263394385920/1572263400136704/STEM/4debd78c7624452cb857d433c652255b.png)
(Ⅰ)求证:AC2=AP•AD;
(Ⅱ)若∠ABC=60°,⊙O的半径为1,且P为弧AC的中点,求AD的长.
您最近一年使用:0次
9 . 选修4-1:几何证明选讲
圆
是以
为直径的圆,延长
与
交于
点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/0af4c3ca-0cdd-4590-b9fa-8c30228df30a.png?resizew=183)
(Ⅰ)求证:
是圆
的切线;
(Ⅱ)
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5762def25feb1ab47465e2d629a8cd.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/0af4c3ca-0cdd-4590-b9fa-8c30228df30a.png?resizew=183)
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(Ⅱ)
![](https://img.xkw.com/dksih/QBM/2016/7/12/1572913900216320/1572913906786304/STEM/5587f10125244c48927f92d3b4c46728.png)
![](https://img.xkw.com/dksih/QBM/2016/7/12/1572913900216320/1572913906786304/STEM/56db4f8204bd4e78afc69c77d0c6d2f3.png)
您最近一年使用:0次
2016-12-04更新
|
115次组卷
|
2卷引用:2016届吉林省毓文中学高三高考热身考试文科数学试卷
10 . 选修4—1:几何证明选讲.
已知
中,
,以点
为圆心,以
为半径的圆分别交
,
于两
,
两点,且
为该圆的直径.
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572278286262272/1572278292504576/STEM/dd70825dc31b4db688f2c0a4f6476250.png)
(1)求证:
;
(2)若
.求
的长.
已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572278286262272/1572278292504576/STEM/dd70825dc31b4db688f2c0a4f6476250.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a833abd966f18b1d2ecb99288ace95.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5792bcbca4586e65f257e937a012cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次