题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002859-27391.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002859-31596.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002859-27391.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002859-77048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002900-69025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002900-54522.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002900-65230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002900-76456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002901-44826.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002859-31596.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002902-26183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002902-83380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002902-75837.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002902-10108.png)
周期
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002903-83769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002859-27391.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002902-26183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002903-72090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002900-69025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002903-83769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002903-85635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002903-29948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002903-35992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002900-65230.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002900-76456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002904-13652.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002904-89112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002902-26183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002904-56459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002904-75022.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002904-64714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002902-26183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002905-11423.png)
③,④求交集得
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002905-11423.png)
点评:本题涉及到的知识点较多,考查学生的综合能力,难度较大
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002833-31394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002833-41110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002833-58628.png)
则与A中的元素
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002833-51511.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002821-85423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002822-21382.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002720-49167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002720-59380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002654-42226.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002654-48764.png)
(1)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002654-42226.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002654-41651.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002654-42226.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002655-42790.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002609-38267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002609-45406.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002610-39937.png)
(1)求当
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002610-78601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002609-38267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002610-33217.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205002610-54486.png)
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