英语作文MY bicycle
题目
英语作文MY bicycle
明天要交的!
答案
My bicycle
I have a beautiful bike.My mother bought it for me.
The bike is very beautiful.I like it.It is blue and black.The bike is small,but I can ride the bike very fast.
I usually ride on my bike,passing gardens,streets,towns,bridges,parks and libraries.This bike is my ‘good friend’.
I like this beautiful bike very much.
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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