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1 . 下列四个命题正确的个数是( )
①
是空集;②若
,则
;③集合
有两个元素;④集合
是有限集
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f88eb4061565a2dcc6735dd0c13dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a7e34f15b46c51888ad96b233f0f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820ec56460819f6778374192faa907ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addbfadc2089e698885912b0f83e3f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b94935d206624493c9093d3f403b59a.png)
A.1 | B.2 | C.3 | D.0 |
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解题方法
2 . 已知
,
,则“
”是“
”的( )
![](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/eb2028b937b9d41557a557224640c063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bbd0aae5a4f6129fc78f88f662f092.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 |
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解题方法
3 . 已知
,若“
”是“
”的充分不必要条件,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6470a89169c19a3a15b32361b1e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知集合
,
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b9a2fa0fb6b2d5fbec36096178b97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21ad78275c2a2aae8fc21828a1335db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08bf39d3f75a765ba76407348214e08.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a639e6764bbc5b3d8ae63d8961fa2ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6870f88b42de38486401e2a5117b188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知直线
,圆
,则“
与
有公共点”是“![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5faa92475dd91f0c3c029d9d8e4d2a6.png)
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a8ba78658831f9fce13aafa1d93973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283e9300e810cd82d12f2b4cf57e7920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5faa92475dd91f0c3c029d9d8e4d2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f09396aeb5c3f1c5d2df27ea8d56bbf.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 |
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7 . “
为锐角三角形”是“
,
,
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b48895daa87c296d961bfd0d4fd386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d26d4cf3845db4e818f03d64bd05f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442e6fb86ce371e3cdaba4293a98da0f.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
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解题方法
8 . 已知平面
,
和直线m,n,若
,
,则“
,
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a042a14e1c3c915ad11544c9e1e57da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808c6d37467a5c995d71e49408503927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6ca6fed060a95127579051f7a6b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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7日内更新
|
148次组卷
|
2卷引用:河北省邯郸市部分示范性高中2024届高三下学期三模数学试题
名校
9 . 已知数列
满足
,则“
”是
是递增数列的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89595e2ed4da6bb65e719e69fc027022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91adba8efbf964e9e35547b0fd0ea36.png)
A.必要不充分条件 | B.充分不必要条件 |
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
7日内更新
|
336次组卷
|
2卷引用:江西省上饶市稳派上进六校联考2024届高三5月第二次联合考试数学试题
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10 . 已知函数
,则“
”是“
的图象在区间
上只有一个极值点”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067c2bb74b8322202dd05204fe21ce36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469f6ce94de5695adaaadb8ecd107ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c449be2ce0978ecda972d6824f854c10.png)
A.充分条件 | B.必要条件 | C.充要条件 | D.非充分非必要条件 |
您最近一年使用:0次