怎么介绍一个人?用英语200字书信形式
题目
怎么介绍一个人?用英语200字书信形式
要快啊
答案
HELLO:I'm***,and you can call me **.I come from ** and there is a very beautifl city.I like playing the ball,do you like it?I also like swimming.There are four people in my family.They are my father,m...
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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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