求一篇英语作文 写伟人的!
题目
求一篇英语作文 写伟人的!
100字以内
什么伟人都可以
答案
Madame Curie is a French professor of physics.She was born in Poland in 1867.When she was young,she became in terested in physics.At that time women were not admitted to universities in Poland,so she ...
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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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