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1 . 已知集合
,若
中有3个元素,则m的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce050f4aa9a7152fa7d451621a24fe2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9682ecfd0d8b9b413e2b5b4b1e7d5f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc005e6561b6d4d435416dd35d250b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d9dc63551b4288d4ff5a6736c0667d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-12-18更新
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1371次组卷
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5卷引用:四川省成都市第七中学2019届高三一诊模拟考试数学(文)试题
3 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341aa4adab4e1e1df01cfb1ef07d0c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cd0631873231e92cac6018fa53433f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-12-17更新
|
313次组卷
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4卷引用:四川省成都市高新区2019届高三上学期“一诊”模拟考试数学(文)试题
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4 . 对于实数
,下列说法:①若
,则
;②若
,则
;③若
,则
;④若
,且
,则
,其中正确的命题的个数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e2be3e9225c71609248299caa49432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef019ee5c3eff526b479ba9482e8a16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cdea94e587e9a385a3df0ea3d2d71d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86ddfc79ab750a8d2548e3a9e2b808b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58900a2822b9ff972d90440fced21584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1694f767d95499ef86d377afdc8bf08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b29404b04ec6eebb1496d209f851b6.png)
A.1 | B.2 | C.3 | D.4 |
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2018-12-17更新
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477次组卷
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3卷引用:【市级联考】四川省自贡市普高2019届第一次诊断性考试数学试题(文史类)
5 . 已知数列
,则
是数列
是递增数列的条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29719d33af813b84dae0191ae5c92a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
A.充分不必要 | B.必要不充分 | C.充要 | D.既不充分也不必要 |
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2018-12-17更新
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289次组卷
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3卷引用:【市级联考】四川省自贡市普高2019届第一次诊断性考试数学试题(文史类)
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6 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85729097aadc04132ed6869bc5e9b1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586a311d506a7768c0965694bb986e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
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2018-12-17更新
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470次组卷
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5卷引用:【市级联考】四川省自贡市普高2019届第一次诊断性考试数学试题(文史类)
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7 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e1c045d6ea8267d9c6b79b74ff2c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa19f2e201530bf40ad3911a8f7a27be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e1c045d6ea8267d9c6b79b74ff2c4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-12-17更新
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447次组卷
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2卷引用:【全国百强校】四川省成都市树德中学2019届高三11月阶段性测试数学(理)试题
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8 . 下列说法中正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.命题“若![]() ![]() |
B.命题“p或q”为真命题,则命题p和命题q均为真命题 |
C.命题“存在![]() ![]() ![]() |
D.直线l不在平面![]() ![]() ![]() |
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2018-12-17更新
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598次组卷
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2卷引用:【全国百强校】四川省绵阳中学2018届高三高考三模数学试题(理科)试题
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9 . 设全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c871da2079b623b7af9d3bb304f32c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fc66011d81549dc7b23a6e43962c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeef98d0c18642c232e854a9cf0bd7e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2018-12-09更新
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985次组卷
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9卷引用:【全国百强校】四川省成都市外国语学校2019届高三一诊模拟考试数学(理)试题
【全国百强校】四川省成都市外国语学校2019届高三一诊模拟考试数学(理)试题2019届四川省成都外国语学校高三一诊模拟考试数学(文)试题【全国校级联考】福建省百校2018届下学期临考冲刺高三数学考试卷数学理科【校级联考】广东省深圳实验,珠海一中等六校2019届高三第二次联考数学理试题(已下线)2018年12月30日 《每日一题》(理数)高考二轮复习-每周一测(已下线)2018年12月30日 《每日一题》(文数)高考二轮复习-每周一测四川省宜宾市翠屏区宜宾第四中学校2024届高三一模数学(理)试题四川省宜宾市翠屏区宜宾第四中学校2024届高三一模数学(文)试题辽宁省鞍山市2024届高三上学期期末联考模拟练习数学试题
10 . 命题“
,
”的否定是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d96c8d9105afa1df2de047590581b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5978bf7c1aefa6e7c8258795326cc1f.png)
A.不存在![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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