求一篇英文作文《how to stay healthy》
题目
求一篇英文作文《how to stay healthy》
答案
It's important to stay healthy because without good health,people nearly can do nothing.I think there are several ways to stay healthy.First,good healthy eating habbit is very important.we should eat three healthy meals every day instead of junk food.We'd better eat slowly.Second,we should have good habbits,such as,having enough sleep so don't stay up too late,wash our hands in time,brush our teeth at least twice every day,drink enough water,don't snoke and so on.Last but not least,it's very important to laugh every day.
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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