一篇介绍朋友的英语作文
题目
一篇介绍朋友的英语作文
姓名:张明伟
13岁
男
爱好:读书
长的很丑
答案
I have a good friend and his name is Zhang Mingwei.He is thirteen years old.He is not very handsome but kind,friendly and generous.He likes reading very much.That's why he is the most knowledgeble person I have evern met.( He studies so hard that he can always get good grades.He is very interested in sports.He likes playing basketball and football.His favorite sports star is Yao Ming.He admires him very much.)
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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