when you are tired英语作文
题目
when you are tired英语作文
答案
when you are tired
everyone feels tired sometime.lt's a common matter.but how to get rid of this trouble as much as possible.here is some advice.first,make a timetable,use your time in correct ways.don't waste them.you must cleat a truth that things lost never come again.second,sleep on time,try not to go to bed so late,it's unhealthy for us.third ,be happy,don't always complain about the trouble in your life,because everyone has his own matter,not only you.it is useless unless make you sad .
when you are tired,think of these what l have sad,and do what you haven't do,stop the wrong ways.
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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