After many years of hard work ,we have finally made some progress towards success .lt is a gre...
题目
After many years of hard work ,we have finally made some progress towards success .lt is a gre...
After many years of hard work ,we have finally made some progress towards success .lt is a great relief to everyone who is involved
答案
经过了许多年的努力工作,最终我们向着成功方向取得了一点进步.这对于参与其中的每个人都是一个极大地激励
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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