1 . 给定函数
,
,对于
,用
表示
,
中较小者,记为
,若方程
恰有三个不相等的实数根,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40165127851440d4e8faf57bc69bb290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c4473159277aed64ea96c4af087954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3859cd3de4d6d485df050b0f5321d6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3f3110e980874c1bc58bd84281d67d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd71681758d0b4e8f2c04659abc1c324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 命题“
,
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c12e17e20663e384f0e193b4435c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac4f02e747448979e2ea1f0ec0c8aaa.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-02-14更新
|
359次组卷
|
2卷引用:天津市宁河区2023-2024学年高一上学期期末考试数学试题
3 . 已知抛物线
上一点
到焦点的距离为
,则其焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ed6d55fd6954b5a6f085505f2cf26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533a7b702ada1dd80123e4041271d521.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b074c2249935152d8c6ef2af2da37378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知双曲线
的一条渐近线过点
,且双曲线的一个焦点在抛物线
的准线上,则双曲线的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21c7162941d2b54ebafb1795599195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4856428c4f87eada4e504fce8cc91d1e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 已知
,
,
,则a,b,c的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bfea7a25658cebd114fed662491587c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ce2113caa4e462791a0a742f1db12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664c8d19fc2cb3b03682715461f066cd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 设集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5139c90b30c369f7e5cd57fcdc8723bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef67507d7e03fac77813d37c6deded0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85877fd3bf95f19340d0a7c1a7d0259c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6307b938bf12098df227f0f89376911.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 设集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53b1a6f4769bdbdd67e5ba5803048e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05551b1d4b65f27a932c33ddb1cb6ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13641a9f2fcd30ed9ad9239f6844995b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6307b938bf12098df227f0f89376911.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知函数
的图象关于
对称,它的最小正周期为
,关于该函数有下面四个说法:
①
的图象过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84e2a02b32a01b13d65e5e9c4554c59.png)
②
在区间
上单调递减;
③当
时,
的取值范围为
;
④把函数
的图象上所有点向右平行移动
个单位长度,可得到
的图象.以上四个说法中,正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff59684d120928b8cd2361adfa1d3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e56709c76b5ae87d528fb5240e7617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84e2a02b32a01b13d65e5e9c4554c59.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7660198e2ab20afd593262ac487a6a7.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cdacc93c1d7b9c9ad0eb4d11279569c.png)
④把函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.1 | B.2 | C.3 | D.4 |
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10 . 已知数列
满足:
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cd6b2fd907c67d62af2db4906b2fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0313eea2c65393728d83a287a8b799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
A.48 | B.24 | C.16 | D.12 |
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