英语作文.要求-对体育锻炼的看法和建议.
题目
英语作文.要求-对体育锻炼的看法和建议.
答案
Let's Do Sports '
Health is very important to us teenagers.Either study or work is basedon strong body.Doing sports every day helps us keep healthy and energetic.Ifwe don't take any exercise,we may feel tired and get sick easily.Just as theslogan says,"Exercise one hour a day,keep illness away!"There are many kinds of sports we can do,suc.h as running,swimmingand ball games.
Now we students have to do too much homework after school.I hopeour teachers will leave us less homework so that we can have more time totake part in sports.I also hope our school can organize more sports activitiesfor us.
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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