英语作文The way to sucess
题目
英语作文The way to sucess
六级作文
答案
The way to success Everyone tries to achieve success in his/her career.But some finally attain their aims while others fail.Why?Some continue their cause to the end through long period of hard stru...
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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