His first name is jack 的问句 His last name is green 的问句
题目
His first name is jack 的问句 His last name is green 的问句
答案
What is his first name?他叫什么?
What is his last name?他姓什么?
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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