麻烦哪位高人用英语介绍一下我的家乡河南周口?我面试急用!
题目
麻烦哪位高人用英语介绍一下我的家乡河南周口?我面试急用!
答案
The Zhoukou city is located southeast Henan Province,governs Sichuanto collect the area,an item of city and Huaiyang,Luyi,Fugou,ShenQiu,Taikang,Dancheng,Xihua,business water 8 counties,the nationalter...
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已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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