求原创英文演讲稿
题目
求原创英文演讲稿
2008 Beijing Olympic Games in my eyes
答案
Olimpic in my eyes is the Green Olympics Beijing 2008 Olympic Games in my eyes is the 'Green Olympics' .look,The environment is green . It's clear and beautiful. You can see the blue sky, the fresh fo...
举一反三
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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