one old lady is going to leave her job and she wants to find a job as language teacher in china 翻
题目
one old lady is going to leave her job and she wants to find a job as language teacher in china 翻
答案
一个老妇人将要辞去她的工作,想在中国找一份语言教师的工作.
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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