Is it worthwhile to spend a lot of money on jewels which have no useful function?
题目
Is it worthwhile to spend a lot of money on jewels which have no useful function?
写一篇3分钟的presentation
答案
是个辩题吧.It is worthwhile to spend a lot of money on jewels.Firstly,though jewels cannot be eaten,they are pretty and they can be appreciated.Secondly,we can wear them to make ourselves much more at...
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
最新试题
热门考点