I often go to school with 【Lily】.（提问） ____ ____ you often ____ to school with?
题目
I often go to school with 【Lily】.（提问） ____ ____ you often ____ to school with?
【Fruit】 is good for our health.（提问） ____ ____ good for our health?
答案
Who do you often go to school with?
What is good for our 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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