wonderful thing
题目
wonderful thing
wonderful thing的作文,50字,中学水平,
答案
Travelling is a wonderful thing Travelling is a wonderful thing,why is it is a wonderful thing?because you can travel where you want to go,and you will enjoy yourself.you can eat something that is very delicious,see somewhere that is a beautiful sight.take a lot of picture that you like.waht a happy life it is!
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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