名校
1 . 已知
为正实数,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626e3c584a6a5f7ed695e59b1844c254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0113fd4c7d157757571f9a009e02af.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-29更新
|
500次组卷
|
3卷引用:河北省曲阳县第一高级中学2023-2024学年高一上学期期中数学试题
名校
2 . 若全集
,集合
,
,则图中阴影部分表示的集合为( )
![](https://img.xkw.com/dksih/QBM/2023/11/27/3377070464262144/3377960423677952/STEM/5955aded10934419a15afe5d07791949.png?resizew=170)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa48246d4f937c284aee22f9161b0645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c1f19fb2321a717c1e8c8927a93a5c.png)
![](https://img.xkw.com/dksih/QBM/2023/11/27/3377070464262144/3377960423677952/STEM/5955aded10934419a15afe5d07791949.png?resizew=170)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 命题“
,
”的否定是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dad5dbcb7a4449db6ad742af5150f0.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 二次函数
是区间
上的偶函数,若函数
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9dd8e2c7ee7590392e6284e90063674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d86eda94d32bb208cd3ed68ce636e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18b60da4af2587479cc7e6d26cbfeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6181ea7339144345677568a7fd485f84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951a4cabdf8779403f312e7b918df723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6689fa61bd56f82acb52ef47a61c70e2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 有四个命题:①
;②
,
;③
;④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2128a00f52af4427721f0ebba591daa.png)
.其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a787455e8a6713c9678012900310ce66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62bb1a0c45bec18bc6c3815152208eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8953e664d6c5c9b3d3454242659bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2128a00f52af4427721f0ebba591daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c201c9b2f5a6c3888c03731d1c3ec59.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
6 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1486a67ae848fd26bc8926a3c3ced229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d912e75ef3071e4b85c4a7e9943c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8886b10cead40b74e606c06d76efa2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-29更新
|
344次组卷
|
2卷引用:湖北省荆州市荆州中学2023-2024学年高一上学期期中数学试题
7 .
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55c9f1a79c0594ee6ade90d9718aeaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc5f8c0162d3a4be759b4a1d92844a7.png)
A.充分且不必要条件 | B.必要且不充分条件 |
C.充要条件 | D.既不充分又不必要条件 |
您最近一年使用:0次
2023-11-29更新
|
457次组卷
|
2卷引用:江苏省南京市鼓楼区2023-2024学年高一上学期期中测试数学试卷
23-24高一上·河南南阳·期中
名校
8 . 命题“方程
有一个根是偶数”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9939dc0caf74052757f2eec44bb0662.png)
A.方程![]() |
B.方程![]() |
C.方程![]() |
D.方程![]() |
您最近一年使用:0次
23-24高一上·河南南阳·期中
名校
9 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd6588ff81ac74891aa903e76e623aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952aa941a1fb5bfef20afc8953953544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65acd9589bfbe3c06015bb4ad9342c11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 如图,已知R是实数集,集合
,
,则阴影部分表示的集合是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22b113bb78cacf6415d090137d3815e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3ddf029127d9d95738cf982d2f21b6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/3d15cf5a-9037-4aa0-86ae-0a86435fe908.png?resizew=180)
A.[0,1] | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次