求一篇60字的英语作文,i love reading
题目
求一篇60字的英语作文,i love reading
答案
I love reading because it opens up the world to me.Reading can take me to anywhere of the world and reading can give me answers to many questions I have about the world.Reading can also make me happy....
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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