Grygori Pilikian spent his 114th birthday the other day and some reporters visited him to find out t
题目
Grygori Pilikian spent his 114th birthday the other day and some reporters visited him to find out the secret of a long life 阅读意思大体
答案
GrygoriPilikian度过了他的114岁生日的一天,一些记者走访他找出了长寿命的秘密
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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