The fruit l like的作文
题目
The fruit l like的作文
答案
The fruit I likeGrapes are my favourite fruits.We are all familiar to them.There are all kinds of grapes.Some are brown and some are green though they are ripe .Most of them can be planted everywhere ...
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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