帮我改一下这篇托福作文,据说句子太繁琐而且用词简单.
题目
帮我改一下这篇托福作文,据说句子太繁琐而且用词简单.
The friends that youcan have fun with are more important than the friends that you can get helpfrom?
We are live in a gregarious society,relying oncooperation to sustain our life.So everyone needs friends.Some friends arefunny; some friends are like-minded; some friends can help you a lot; somefriends are only fair-weather friend.Some people holds the idea that thefriends that you can have fun with are more important than the friends that youcan get help from.By contrast,in my eyes,the friends who can help you a lotare much more significant than the friends who can make you laugh.My reasonsare following.
There is no denying that the friends that you can havefun with are essencial in your life.You can make phone calls,have parties or goshopping with them,abandon yourselves to fun.But they are only fair-weatherfriends,who are only with you when in good conditions.When you have to facesome difficulties,they will give you the air and disappear.Let’s t
答案
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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