求一篇“ better healthy better life”的作文!
题目
求一篇“ better healthy better life”的作文!
要60字哦!
答案
It is well known that health is very important for us.We can learn more knowledge and make more money if we are healthy.We can live a
happy life .How can we keep healthy?We shpuld eat healthy food first
including fresh fruit and vegetables.Exercise is also important and we should sleep enough.Don't smoke or drink much wine.In a word .If you are healthy ,you can do lots of things that you like ,You will live better
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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