you should aiways speak English in class.And you should write down your mistakes in your notebooks.
题目
you should aiways speak English in class.And you should write down your mistakes in your notebooks.
答案
你应当在课堂上多说英语,并且将你的错误记录下来在你的笔记本上
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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