1 .
的绝对值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 如图,点
在双曲线
(
)上,过点
作
轴,垂足为点
,分别以点
和点
为圆心,大于
的长为半径作弧,两弧相交于
,
两点,作直线
交
轴于点
,交
轴于点
,连接
.若
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/6dd2ca5e-0923-4e97-a510-5abad2c3ab4a.png?resizew=154)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24624dffd30b66a5e4de57362b32b2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1ca359a887a99f70882f83f897665e.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/e6e490f703eb6c9bb1278c78ebc2d661.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce421051739231bcd982a403097ca41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/6dd2ca5e-0923-4e97-a510-5abad2c3ab4a.png?resizew=154)
A.2 | B.![]() | C.![]() | D.![]() |
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3 . 下列计算正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 若正多边形的一个外角是
,则该正多边形的内角和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 一商店在某一时间以每件120元的价格卖出两件衣服,其中一件盈利20%,另一件亏损20%,在这次买卖中,这家商店( )
A.不盈不亏 | B.盈利20元 |
C.亏损10元 | D.亏损30元 |
您最近一年使用:0次
6 . 甲、乙两船从相距
的A、B两地同时出发相向而行,甲船从A地顺流航行
时与从B地逆流航行的乙船相遇,水流的速度为
,若甲、乙两船在静水中的速度均为
,则求两船在静水中的速度可列方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5167ec8605a15265d019fb1c718adf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8923ce4e8da8b7a2652d6f983fe2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d455702795935f9f9b4cab567be2f4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c374e788e84cbfee7e2ed8e736dc73.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 今年“五一”假期,我市某主题公园共接待游客77800人次,将77800用科学记数法表示为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图,
是
的中位线,若
,则
的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/41534aa3-a5b8-4172-b255-faf244e61bb3.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/41534aa3-a5b8-4172-b255-faf244e61bb3.png?resizew=162)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
9 . 如图,已知
的圆心角
,则圆周角
的度数等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/6690e381-2274-41ec-bd1b-429a86e85689.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed1c48e0e6ebc02c796817a1e08183c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/6690e381-2274-41ec-bd1b-429a86e85689.png?resizew=159)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图,过点
作直线
其依据是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/c7b738fa-241a-420a-9e0f-21f9b1e2ecda.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d620f242099d9e5e3225115c80d9bfa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/c7b738fa-241a-420a-9e0f-21f9b1e2ecda.png?resizew=200)
A.两直线平行,同位角相等 | B.两直线平行,同旁内角互补 |
C.同位角相等,两直线平行 | D.内错角相等,两直线平行 |
您最近一年使用:0次