英语作文
题目
英语作文
题目是《chinese dragon kites》
不是端午节的.
答案
.Dear xxx,How are you?I want to tell you that I found a interesting thing to do.That is playing computer.It's really very funny.I can use it to send E-mail,to know play new games,to read news.Computer...
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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