1 . 已知
表示不超过
的最大整数,若
,则
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c8a643d5dbe8b458dce40d948f65c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.11.5. | B.10.5. | C.9.5. | D.8.5. |
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2 . 若
是
上周期为5的奇函数,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d435b7b15a5dad52143f25c89d5b02c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb9b4f8e7d70b5962c0419d92a121aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d435b7b15a5dad52143f25c89d5b02c.png)
A.6. | B.7. | C.8. | D.9. |
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3 .
的直径
,
为
上一点,
.延长
到点
,使
,连
交半圆于点
,过点
作
的垂线交
的延长线于
,则
的长度为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241832fba1fb0325dd221d06fee3eaa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3240779195eb2b2e6e96137d94d02f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 在△ABC中,已知AB = 5,
.则∠CAB的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1704c254d3e3ea411bd8a83c81ee10a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 满足不等式
的x的最小实数值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c770074995911eb86590b86f5156a54.png)
A.-1 | B.0 | C.1 | D.3 |
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6 . 已知
是定义在实数集上的函数,且
,当
时,
.则
的值等于( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b686eda5c01acf1aa59fdd452378ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85728d40def6a10adeb3327219b7e3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cfb8023155f47b7690692479630c3d5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . a为非零实数,x为实数.记命题M:
,记命题N:
有解.则M是N的( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37addeedffc196a0445c9d0efaa6de4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b121e6a4d2cb5dc8181ade4923efb77b.png)
A.充分非必要条件 | B.必要非充分条件 |
C.充分且必要条件 | D.既非充分又非必要条件 |
您最近一年使用:0次
8 . 表示不超过a的最大整数,则函数
的最大值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457101bc771f4b31503a6f08e7e93863.png)
A.![]() | B.![]() | C.1 | D.不存在 |
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9 . 设
为
内一点, 使得
,且
.已知
,
为
的中点.则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e853b053d23277b0874566c0e9fab77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587458141d890533c0c32aa249a27ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c28e16ee00e37651a4bb950c9ed1cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b3373b9184f33b33addde0e65ca17b.png)
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10 . 若二次函数
满足
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff46da4626e4cdf950050aafd67f7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5f8db4021cd2417066a20dc6da4097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次