求大神帮忙写篇关于what should we do to keep healthy 的文章
题目
求大神帮忙写篇关于what should we do to keep healthy 的文章
要求有healthy food,eating ,habits ,be good for do ,exercise,keep fit,get enough sleep
答案
what should we do to keep healthy I think we should have a healthy eating habits.We should eat healthy food ,we should eat more vegetables and fruit.we shouldn't eat junk food .Exercising is good for ...
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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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