名校
解题方法
1 . 已知p:
,
,则使p为真命题的一个必要不充分条件为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe9f3099ed9429dc5b4e38a350e524a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343d033a52b4baa0aef9639e1311833c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知复数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ded7aa2281854a90ef0ac03185d790f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知直线
,平面
,
,
,
,
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209323a7a4d015f7e570ec578c1731f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb26a220ed44c446105df7caa0f1063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
A.充分不必要条件 |
B.必要不充分条件 |
C.充分必要条件 |
D.既不充分也不必要条件 |
您最近一年使用:0次
2023-09-10更新
|
454次组卷
|
4卷引用:辽宁省大连市第八中学2020-2021学年高三上学期12月月考数学试题
名校
4 .
表示不超过
的最大整数.十八世纪,
被“数学王子”高斯采用,因此得名高斯函数,人们更习惯称之为“取整函数”,则下列命题中是真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79d0ef3d3349bb02831ec03b28c32c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179c645736d68c90023f83d7f11ed01.png)
A.![]() |
B.函数![]() ![]() |
C.若存在![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
5 . 已知数列
满足
,数列
满足
.若数列
的前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
___________ ;使得
成立的
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca1a229f87dda83dbe6c46616a82294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0946b13cc360976aea85a222f66cc7f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30136113176ba7fe660e998d0873157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd8dd04281c349fa0d24496938d4d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
名校
6 . 已知函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d611f7b20cfdfb3c0ab97882cbe798.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-09-10更新
|
756次组卷
|
3卷引用:辽宁省大连市第八中学2020-2021学年高三上学期12月月考数学试题
名校
解题方法
7 . 已知函数
(
为自然对数的底数,
为常数,且
).
(1)当
时,求函数
在区间
上的最值;
(2)若
在
上存在单调递减区间,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd7f49b69623400db8c56dc98f1204b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497199a00f177af4c593e0e715be97f1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知不等式
对任意
恒成立,则满足条件的正实数a的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02eeada974606d5b07d224c56b692e39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b69e93488fcd2a195cb9793e94fc7.png)
A.2 | B.4 | C.8 | D.9 |
您最近一年使用:0次
名校
解题方法
9 . 已知
,给出下列命题,其中正确的命题有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9484fcea82180e9886a18d7a947b03.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2023-09-09更新
|
208次组卷
|
2卷引用:辽宁省大连市第八中学2020-2021学年高三上学期9月月考数学试题
名校
解题方法
10 . 设函数
,则使
成立的x的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c23114c1c7f796c8361d5358a567e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dbd58b21a94cf93f4623c07452b102.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-09更新
|
570次组卷
|
4卷引用:辽宁省大连市第八中学2020-2021学年高三上学期9月月考数学试题