一篇英语小故事,要超简单的,幼儿园水平,带翻译,xx.
题目
一篇英语小故事,要超简单的,幼儿园水平,带翻译,xx.
答案
I'm Trying to Stop It"Boy, why have you got cotton-wool in your ear? Is it infected?""No, sir, but you said yesterday that everything you told me went in one ear and out the other , so I am trying to ...
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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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