ronaldo the great brazilian soccer player played for his national team when he was seventeen什么意
题目
ronaldo the great brazilian soccer player played for his national team when he was seventeen什么意
答案
罗纳尔多,伟大的巴西足球运动员,在他十七岁的时候,就开始为国家队效力了.
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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