A lot of fruits help us to keep in good health?(对划线的部分提问) help us to keep in good health
题目
A lot of fruits help us to keep in good health?(对划线的部分提问) help us to keep in good health
划线的部分是A lot of fruits
答案
What does help us to keep in good health?
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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