1 . 下列各式中:①
;②
;③
;④
;⑤
;⑥
.正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ed28220bfef1cc6be1c80cf67cafc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf82d0306f6f5ce7b8aa3c8b4059e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34254ce6896f7978064e7dc9ec24795b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da954355d63f080eb03ba2e01bbc8686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58251bbbd245148d5547335a9dd1165c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8c87a3551ac86161f4a79de8df0e4.png)
A.1 | B.2 | C.3 | D.4 |
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2 . 下列命题中,正确的个数有( )
①
;②
;③著名的运动健儿能构成集合;④
;⑤
;⑥
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0357c0bc9aac970972d70b884a20e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfe0a68684131cc2bb88b21c2751978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c77009ae1d0ce744a1e1ac98e74c88f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913c63df83a3172566009466476d9c5a.png)
A.1 | B.2 | C.3 | D.5 |
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2024高一上·全国·专题练习
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3 . 已知集合
,
,且
,
,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ba542be66c79a71dee5cfeeb5df87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504c477e74fa4b2df8d210c1431dc280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcc342b78b8c829d22ef5325354abed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331c8707c02438a8988be6fd54089ae5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 以下四个关系式:
,
,
,
中,错误的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9d94d3893a34e30a2150066b23ff25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0c5a6e253e6e764276147ac04539c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12785532c4c1c0adf5cc1aec53ec74dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b276617c726fcbbbe2a0b0d71e3000.png)
A.1 | B.2 | C.3 | D.4 |
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5 . 若集合
具有以下三个条件,则称集合
为一个“封闭集合”,
①若
,则
;②若
,则
;③若
,则
;据此判断下列集合是封闭集合的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab34536d2a601b48c5ebfb135f5f4d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46de01c5104b9112a688df37eadb000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab34536d2a601b48c5ebfb135f5f4d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae4f0ccdfc1206d809e581449d0452e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab34536d2a601b48c5ebfb135f5f4d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957d41dbe52b49c3a7339e3519a3fe84.png)
A.R | B.![]() | C.![]() | D.Q |
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6 . 下列关系正确的有( )
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
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7 . 已知集合
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bde5ccd5b5c97903880f4f925e9c083.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
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2023-11-14更新
|
216次组卷
|
3卷引用:专题01 集合与常用逻辑用语2 -期末复习重难培优与单元检测(人教A版2019)
(已下线)专题01 集合与常用逻辑用语2 -期末复习重难培优与单元检测(人教A版2019)四川省眉山市仁寿县2023-2024学年高一上学期期中联考数学试题广东省顺德区德胜学校2023-2024学年高一上学期期中数学试题
8 . 设全集
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e624d15268d2b13a49cf5010abe55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccb1c64f3bf3cb5773f612d0983cc85.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da031b8b1c80662c66413e597f0454a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 设集合A中的元素均为实数,且满足条件:若
,则
.求证:
(1)若
,则A中必还有另外两个元素;
(2)集合A不可能是单元素集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a99c66b171b6da6394ce7cfd40b5cd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
(2)集合A不可能是单元素集.
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