题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115644-11414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115645-50420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115645-48606.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115645-50420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115645-16094.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115645-50420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115646-90523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115646-41860.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
答案
解析
试题分析:当
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115648-30522.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115648-59383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115648-52896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115649-70307.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115649-22572.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115649-88932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115649-61851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115650-64737.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115650-48370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115646-41860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115648-95953.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115634-66308.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115635-89095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115635-57467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115635-83980.png)
A.[![]() ![]() | B.[0,![]() | C.[![]() ![]() | D.[0,![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115625-98018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115625-67114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115625-57551.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115609-56237.png)
(1)设
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115610-83726.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115610-98714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115611-90340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115611-80570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115611-41286.png)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115612-77594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115612-49639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115612-37750.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115613-83878.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115613-29018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115541-59482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115541-18452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115542-19669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115534-53421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115534-18452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200204/20200204115534-54788.png)
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