解题方法
1 . 如图,在等腰梯形
中,
∥
,
,
,
.点
是线段
上的一点,点
在线段
上,
.
命题①:若
,则
随着
的增大而减少.
命题②:设
,若存在线段
把梯形
的面积分成上下相等的两个部分,那么
,
随着
的增大而减少.
则下列选项正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b716d411a9e865ba6e60a83cdf65879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5a86745bfe1dfe7bc2683811210330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/8a1813a040cdcd5c345538ab2a192718.png)
命题①:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1be1437712a3f286efb87481bb875a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2330ceffc14c92ff9804c54d9a9717c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
命题②:设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29dfebefd907eed364f1aa95697786d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f4b20658d64d6b40520e96ef8c26ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e84c4da43d045928eb1d4c19945e145f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
则下列选项正确的是( ).
A.命题①不正确,命题②正确 | B.命题①,命题②都不正确 |
C.命题①正确,命题②不正确 | D.命题①,命题②都正确 |
您最近一年使用:0次
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解题方法
2 . 已知函数
,其中
,
,其中
,则图象如图所示的函数可能是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b629bea8e22de9bfc49158e2289871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bad60e80f4ab1c724a79d466a2b617.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-19更新
|
463次组卷
|
3卷引用:上海市奉贤区2024届高三第二次模拟考试数学试题
3 . 有
个相同的球,分别标有数字
,
,
,
,
,
从中有放回地随机取两次,每次取
个球.甲表示事件“第一次取出的球的数字是
”,乙表示事件“第二次取出的球的数字是
”,丙表示事件“两次取出的球的数字之和是
”,丁表示事件“两次取出的球的数字之和是
”,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
A.甲与乙相互独立 | B.乙与丙相互独立 |
C.甲与丙相互独立 | D.乙与丁相互独立 |
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4 . 函数
,
,
的部分图象如图所示,则函数表达式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7006687eac91565511dd7dbee5da4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89040554aa79926881b74fe954e4d08a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee2d341b059ba8fd708a24e567a34e1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/aca7cc1c-c08c-4677-be70-4500ca117bdc.png?resizew=165)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 一台“傻瓜”计算器只会做以下运算:1减去输入的数并将得到的差取倒数,然后将输出的结果再次输入这台“傻瓜”计算器,如此不断地的进行下去.若第一次输入的是
,则第2024次输出的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4975919491af530d4f41d1e192a3430e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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6 . 已知
是正整数,且
,则满足方程
的
个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbef345705fbe5c6b8276e726db9c0cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e557bf46bab5251719ed104136bc377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.1 | B.5 | C.10 | D.11 |
您最近一年使用:0次
名校
7 . 在
中,“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbb60c8c689819d191bb1aebd622b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9146192606b1abda29b88e60542e70e.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-03-26更新
|
307次组卷
|
2卷引用:上海市奉贤中学2023-2024学年高一下学期第三学程考试数学试卷
8 . 以下图形中,不是函数图象的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 某车辆装配车间每
装配完成一辆车.按照计划,该车间今天生产
.从当天开始生产的时刻起经过的时间
(单位:
)与装配完成的车辆数
(单位:辆)之间的函数表达式正确的是( )(数学上,常用
表示不大于
的最大整数.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c647c64600a583a91bb8bb6d3c06441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab08fbc52fe3a4ad4261256774e89904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933311c0c090e1138e4dd388b7adf8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
10 . 已知
的三边长分别为
、
、
,且
,
,
,有以下2个命题:
①以
、
、
为边长的三角形一定存在;
②以
、
、
为边长的三角形一定存在;
则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4cc00c283519973f7f8e1274b5c733.png)
①以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d012d124f04963fb72a68af40d5f8f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c462d08d75fcc7ccf9c3ecea1972e26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9277dbbce271b4fa43757e565a9979c.png)
②以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca13beb13005f586d6503fa2dafc2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270357be57e00dfc1efeb3ce8fdcbd36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d051b370eb535518a73586fcab114d.png)
则下列选项正确的是( )
A.①成立,②不成立; | B.①不成立,②成立; |
C.①②都成立; | D.①②都不成立. |
您最近一年使用:0次