求200英语单词的文章
题目
求200英语单词的文章
how to get along with your classmates
周一就要交,
答案
How to get along with your classmates?Everyone needs friends.A friend can give us help and share our difficulties and happiness.But how can we make friends?I think the best way is to get along with yo...
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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