求外国名言
题目
求外国名言
答案
1、It is defeat that turns bone to flint; it is defeat that turns gristle to muscle; it is defeat that makes men invincible.----Henry Ward Beecher是挫折使骨头坚如燧石；是挫折使软骨变成肌肉；是挫折使人...
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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