如何用sam fever hospital car doctor matter nurse pill sam bed 编故事
题目
如何用sam fever hospital car doctor matter nurse pill sam bed 编故事
答案
Sam does not feel well,he drives his car to the hospital to see a doctor.The doctor tells him he has a fever.The nurse gives Sam some pills to take,and tells him that his fever should not matter.
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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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