friendship(英语作文)
题目
friendship(英语作文)
答案
In my opinion,friendship is very important to us all.Smile at others and we are sure to get a smile in return.Think more of others than of ourselves and don't judge a person by his or her appearance.Besides,never believe in those who leave us when we are in trouble.不知道楼主要多少字的?不够的话自己再写点
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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