1 . 已知
,则与
的值最接近的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d626408dec79d00acfea3e6644edc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 考虑函数
与函数
的图像关系,计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9af04e6b983605cbf0a3789c25d4314.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae1b87c23b45ce5e5e74d5b1d73234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db192285632d1991b4ee7a003a52205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9af04e6b983605cbf0a3789c25d4314.png)
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3 . 如图放置的边长为1的正方形PABC沿
轴滚动,点B恰好经过原点.设顶点
的轨迹方程是
,则
( )
![](https://img.xkw.com/dksih/QBM/2017/7/10/1727042670813184/1728069529853952/STEM/8be9fbc445f049b6b800db647d6ef835.png?resizew=310)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f5e876816cd742b959205d6d73f2f5.png)
![](https://img.xkw.com/dksih/QBM/2017/7/10/1727042670813184/1728069529853952/STEM/8be9fbc445f049b6b800db647d6ef835.png?resizew=310)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 若
的展开式中含有常数项,且
的最小值为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f61de5ab894504e3d26dafbd401d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d9aae7ea740e17d1da50e8f7d2a7a8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 设
,若将函数
的图象向左平移
个单位后所得图象与原图象重合,则
的值不可能为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8f98bc5d6f61a7e05960f99d826820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.4 | B.6 | C.8 | D.12 |
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6 . 在区间
上随机取两个数
,则事件“
”的概率为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21802ccb693be25837fa96fb845f0179.png)
您最近一年使用:0次
解题方法
7 . 设
,
,现随机地抽出一对有序实数对
使得函数
与函数
的图象有交点的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938ffdd04e12f416202aedece0482a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd3db0dfed475bfc94a6bfa230aeb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dbe37a01f125f1b06e11eb336dcd6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19fadfe7605f562165560363e13f5779.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 定积分
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0c25123a28cc6212673f94f877c8a6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3012393a90ee511e0ab2fe5917e25a.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3012393a90ee511e0ab2fe5917e25a.png)
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10 . 已知等比数列
,且
则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd207008505042a633f947e5b0d9f7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb57d57b4b30d45a69724dcc3c53bea.png)
A.![]() | B.4 | C.![]() | D.![]() |
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