the good relationship between us students and our teachers ,is a relationship that can makes our tea
题目
the good relationship between us students and our teachers ,is a relationship that can makes our teaching atmosphere more and more harmonious ,which depends on our joint efforts to promote.请大家帮我看看这句话有错么?我写的
答案
前半句可以这样改the good relationship between students and teachers which can make our teaching atmosphere more and more harmonious.(重复过多,表达不怎么清晰,特别是which depends on our joint efforts to...
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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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