谁帮我写一篇英语作文?题目是Men are different from women in many ways
题目
谁帮我写一篇英语作文?题目是Men are different from women in many ways
答案
Men and women are different from one another in many ways.In a biological way,men and women can be distinguished by their reproductive system.They have different sexual characteristics.Men grow beard ...
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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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