He wanted to help all the wounded people no matter which side they were fighting for
题目
He wanted to help all the wounded people no matter which side they were fighting for
答案
他想要帮助所有受伤的人们,无论他们是为哪一方而战斗.
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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