1 . 已知
,
,
,2,3,
,
,2,4,
,则
可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19a7038dadcdddc49ae7398ac47643a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be29adc4adef5dea62a5d59c3ada5bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1ee5c87dd527ec6b95129db645dd48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d563e5da8ab804e1c069137f3793508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() ![]() | B.![]() ![]() | C.![]() | D.![]() |
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2 . 若集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42fa79ac4f12f394ccd20b74f5f818c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-10-17更新
|
130次组卷
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6卷引用:重庆市璧山来凤中学校2021-2022学年高二下学期期末模拟(一)数学试题
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3 . 已知集合
,
,则集合
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164fc0a36ab6af157af44cdf13aadf85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10e56f2d05a3b63c920f11ed3dc345f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55f8d8c6a4c56c2fa6bf3bb1c1801e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc63c90e68a630beee06be33c12ce6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-09-17更新
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513次组卷
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4卷引用:重庆市缙云教育联盟2023-2024学年高一上学期期末数学试题
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解题方法
5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77951b8dedfd675f8d8f71e73ad01976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
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2020-09-06更新
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234次组卷
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4卷引用:重庆市第八中学2018-2019学年高二下学期期末考试数学(文)试题
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6 . 已知集合
,集合
.
(Ⅰ)当
时,求
;
(Ⅱ)设
:
,
:
,若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21126da35c632387e4c5226d0b2c664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007565fe1b4eceee8507439f6ee66f7a.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2807691f48d19be98498d18087b30505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-08-16更新
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691次组卷
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2卷引用:重庆市南开(融侨)中学2019-2020学年高二下学期期末数学试题
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7 . 已知集合
,
,
.
(1)求
;
(2)若“
”是“
”的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bcf409d129039224da193e81ada6c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1db0f79d7584aef628d7c7ca63d2554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f1b3ffcc4da48a38bc72478df087e0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-08-16更新
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2卷引用:重庆市第一中学2019-2020学年高二下学期期末数学试题
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解题方法
8 . 已知集合
,
,则集合
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd8896b663c9f80a0438522952749ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be229237ebc3d3cf88808797c110324b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46430c959568544de34259c5a74c5563.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-07-24更新
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878次组卷
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8卷引用:重庆市西南大学附属中学2020-2021学年高二下学期期末数学试题
9 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed93a1a2af864b34728cc9bde2dfa75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-07-16更新
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286次组卷
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3卷引用:重庆市2019-2020学年高二下学期期末联合检测数学试题
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10 . 已知集合
,
,则集合
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7395f754bce64a9c0249a62a340ffad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182f8e167c37c195e6797b2dbaedd8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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