题目
题型:单选题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-31903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-73944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-24625.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040826-48367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040826-27587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-31903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-73944.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040826-28924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040826-35688.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040826-31033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040827-92300.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040827-61418.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040827-27505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040827-92717.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040827-53179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-68395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-27118.png)
A.①② | B.③④ | C.②③ | D.①④ |
答案
解析
试题分析:对于①,由
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-79739.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-99438.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-57804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040829-36545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040829-85783.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-27118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040830-30037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-31903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-73944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040830-93900.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040830-67879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040830-64704.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040830-53267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-74050.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-56209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-10504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-65205.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-28858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-15710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040832-87108.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-28858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-99438.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040832-92803.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-27118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040832-30336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040833-35475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040831-15710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040832-87108.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040833-35475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040828-99438.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040833-20390.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-31903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040825-73944.png)
核心考点
试题【对于函数与和区间D,如果存在,使,则称是函数与在区间D上的“友好点”.现给出两个函数:①,;②,;③,;④,,则在区间上的存在唯一“友好点”的是( )A.①②】;主要考察你对函数的单调性与最值等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040821-41427.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040821-28089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040822-14514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040822-61706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040822-47778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-56961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-29258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-30765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-35847.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-26574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-13384.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-35847.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040817-35847.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040818-82486.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040818-37062.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040818-16337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040818-86176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040818-66759.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040815-46933.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040812-73047.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040812-79485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040812-12405.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040807-27353.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040807-37416.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040807-15693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040807-72831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040808-87385.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040808-32143.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818040807-27353.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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