求一篇大学英语作文“why do people need to play sports",150词左右,告急,
题目
求一篇大学英语作文“why do people need to play sports",150词左右,告急,
答案
People need to play sports because it is a good way of relaxing.When we are tired of work or study,we need to play football,basketball,talbe tennis and so on.It can not only rest our brains and eyes but also help buid our bodies.I think it's really helpful to both our health and our study or work.Besides,It can help us make lots of new friends and communicate with each other well.What's more,it is good for teamwork when we play sports.And it can also make us feel comfortable and refreshed.
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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