My favorite player 短文
题目
My favorite player 短文
不要篮球足球的运动员
答案
Do you have a favorite player?I have a favorite player.He is an outstanding runner.He was born on July 13th,1983 in Shanghai.He is 1.88 meters tall and 74 kilos in weight.He looks handsome.He has a sq...
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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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