A good teacher is someone who knows well the ways of the past and the practices of the ancients
题目
A good teacher is someone who knows well the ways of the past and the practices of the ancients
是孔子的名言 怎么翻译
答案
温故而知新可以为师矣
应该是这句吧...
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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