1 . 有下列命题,其中真命题的序号有_________ .
①
是函数
的极值点;
②已知
,
是复数,则“
”是“
”的充分不必要条件;
③小明在书写英语单词“error”时,只是记不清字母的顺序,那么他写错这个单词的概率是
;
④
在
上恰有两个不同的零点,则
的取值范围是
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daad3a31a3597f75fa109736ed2ebf.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13d477ec252f1952efd7d97425bf40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/591beb5c37dbe8f3d557de6db92e5b3e.png)
③小明在书写英语单词“error”时,只是记不清字母的顺序,那么他写错这个单词的概率是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d781d2c53587db084f4893715b29e078.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bab651f40837493696ebbf5a1b13ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2ad79532c6bf061003ecb193d2719e.png)
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名校
2 . 下列说法中,正确的有_________ (填序号).
①“
”是“方程
表示椭圆”的必要而不充分条件;
②若
:
,则
:
;
③“
,
”的否定是“
,
”;
④若命题“
”为假命题,则命题
一定是假命题;
⑤
是直线
:
和直线
:
垂直的充要条件.
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619894ad49781a32dd38becb013e6e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080d31366f670f8ebaa64aadc2ad23c0.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0483b89034216f8684241e66e7942d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1940991107dc6ae92d8fa19df561e508.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc906b12f576e3ffc5e74d3d50c2bbac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6935a13445cd10752d10072d9ad4f188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d009c9bd0a09d83c817b3bef8ef8351e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fc142a1a27251086b668c77bfebf65.png)
④若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d4eed113aa69a7d973c6410bae7ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc895959e9bc92294dc9dd2263dbf0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7359d6e5595d44679ad3a00a305c0cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c3da9309212c874401336596f8649ce.png)
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2022-02-21更新
|
295次组卷
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2卷引用:江西省南昌市湾里一中等六校2021-2022学年高二上学期期末数学(理)试题