八年级下册英语书14业作文
题目
八年级下册英语书14业作文
答案
Dear lonley kid
There are a lot things you could do .You could be more friendly .You couldn't argue with your friends .Or maybe you should try to be funny and you could help your friends.Give him a surprise.
good luck!yours mary 不知道要的是不是这个?
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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