英语作文:my trip plan
题目
英语作文:my trip plan
答案
I am a very loving people to play,especially to a different place to travel,so the current plan to go to Guangxi Guilin Lijiang River tour,I'm going to take the family to go,because the family and stay together is the most happy and unhappy.In addition,I also plan to take the camera to take us one tourist attractions shot down to me no friend to share,so that they have time to put the shuttle
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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