1 . 已知
,
,若直线
与曲线
相切,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f45b8e75694a7e690c74e5b2882628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/375c098efef95ce5799525c39ad2f003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4741556c029b5811318746d837cf246.png)
A.7 | B.8 | C.9 | D.10 |
您最近一年使用:0次
2024高三·天津·专题练习
名校
解题方法
2 . 已知正项等比数列
中,
,
,
成等差数列.若数列
中存在两项
,
,使得
为它们的等比中项,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6fae41755ecb64ac239a5a2d767354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7bead366a62cbd68c821f9fc6cbc6a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd93ee03569849295ebde055410d1b84.png)
A.1 | B.3 | C.6 | D.9 |
您最近一年使用:0次
名校
解题方法
3 . 已知抛物线
的焦点为
,准线为
是抛物线上位于第一象限内的一点,过点
作
的垂线,垂足为
,若直线
的倾斜角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ea803e31d2dedcf0590e0a0475e7ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8db072e2b6104671b82f948012fb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12c461765806bbfb872e7e8aa410c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd05d243091ba3ec8da3d33fc5956e2.png)
A.2 | B.![]() | C.![]() | D.3 |
您最近一年使用:0次
名校
4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d431c617bac3e68f42ffa04f9a271e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f1b0858395d2424dc96616173c4b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知实数
满足
,则
的最小值与最大值之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f750942ed29b0c218ef36d893a2c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112eeef467eb4a08bfa3519059e2041.png)
A.4 | B.5 | C.6 | D.7 |
您最近一年使用:0次
2024-03-09更新
|
1335次组卷
|
5卷引用:2024届河北省邢台市部分高中二模数学试题
名校
6 . 已知函数
的定义域为
,对于任意实数
满足
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1638740ba651b56d0c833fe93d9995e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241553167658572549705dda8cd7c207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f5fda7fa966b2403ef20cb71d485e4.png)
A.1011 | B.2022 | C.3033 | D.4044 |
您最近一年使用:0次
名校
解题方法
7 . 已知
是定义在
上的偶函数,且在区间
单调递减,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1cbfca48e91c3e4d4f8279b3880e76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知不等式
的解集为
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb18618b100f1c404690899e8b2f6d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f896211a4b21a5fee93200ed27efa900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb22c34ca54999693b4601a0ad011244.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e17de8e8424469429ec7fc0ca8db8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ca9a3adbd8e642522a2158234d39cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次