作文：My Last Weekend
题目
作文：My Last Weekend
答案
这些作文我写多了,送篇满分的给你：
Last weekend,I went for a picnic at the foot of the mountains with my friends.Some of us were playing games,some were dancing,we felt very realxed.Suddenly,I saw a goat running.He was interested in it and began to run after it for a long time.When I thought of my friends,I didn`t where I was.I got lost.At that time,a farmer came.With his help,I found my friends again.He thanked the farmer and said "Goodbye" to him.
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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