急求英语故事小红帽和三只小猪
题目
急求英语故事小红帽和三只小猪
答案
Little Red Riding HoodOnce upon a time,there was a little girl.Her name was Little Red Riding Hood.One day,her grandma was ill.Little Red Riding Hood went to visit her.On the way to grandmother's hous...
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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