1 . 下列命题为真命题的是( )
A.![]() |
B.“![]() ![]() |
C.函数![]() ![]() |
D.“![]() ![]() ![]() ![]() |
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2 . 下列对象中不能构成一个集合的是( )
A.某校比较出名的教师 | B.方程![]() |
C.不小于3的自然数 | D.所有锐角三角形 |
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3 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
______
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
______
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1d2f98caea906d26aee92ea178551a.png)
______
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c839c42ca4cfdd2bbe2f1b5f2666dcf.png)
______
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad135b14c9dcd83eab6618d7694c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1d2f98caea906d26aee92ea178551a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4b667701a36dc656ee6d274f625809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c839c42ca4cfdd2bbe2f1b5f2666dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66becdc090569818d78174d55276b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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4 . 下列命题为真命题的是( )
A.对角线相等的平行四边形是矩形 |
B.若x,y是任意实数,则![]() |
C.若x是奇数,则![]() |
D.若![]() ![]() |
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名校
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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名校
6 . 若
,
,
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686b332872c51b433befe65fbe773380.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.命题“![]() ![]() ![]() ![]() |
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2023-11-10更新
|
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4卷引用:新疆喀什地区2023-2024学年高一上学期期末考试数学试题
名校
解题方法
7 . 下列说法正确的是( )
A.若![]() ![]() ![]() |
B.若数列![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.命题“![]() ![]() ![]() ![]() |
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2023-10-11更新
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4卷引用:新疆克拉玛依市第十三中学2024届高三上学期12月月考数学试题
名校
8 . 下列说法正确的是( )
A.![]() |
B.集合![]() |
C. ![]() |
D.若全集![]() ![]() ![]() ![]() |
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5卷引用:新疆维吾尔自治区巴音郭楞州博湖县奇石中学2024届高三上学期期中数学试题
名校
9 . 下列四个命题中,
①集合
,且
,则实数
的取值集合是
;
②使得不等式
成立的一个充分条件是
;
③已知
,则
的取值范围是
;
④若
,则
的最小值是8;
⑤若
,则
的取值范围是
;
其中真命题的序号是__________ .
①集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bd9a3d1537cb3ad4a6f538334f79ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ebd7c565ca0e0f8b73fedda791479c5.png)
②使得不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9628a52a2d66782e5ea1a5dadf28444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cbceb0d573d213b8f8ae91cf0b57d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20c6ab2d0f475b20bb945c1692b6c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342338eded5a03c00eb02ef7f7cf836e.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0bd65eb59d0acde6f5955490696c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2bd515c3c7f10f253d03d494fbb392a.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2603458b29d71ebfb1b0432f991836ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d89f74ade1b380747d247f0eed0da0.png)
其中真命题的序号是
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2023-10-08更新
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5卷引用:新疆生产建设兵团第三师图木舒克市第一中学2023-2024学年高一上学期10月月考数学试题
10 . 下列命题是真命题的是( )
A.![]() |
B.“六边形的内角和为![]() |
C.![]() |
D.“每个水分子都由两个氢原子和一个氧原子构成”是存在量词命题 |
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2023-09-05更新
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282次组卷
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3卷引用:新疆维吾尔自治区喀什市第十中学2023-2024学年高一上学期期中考试数学试题