对括号里的句子提问：1、the students are reading books (inthe school library) .
题目
对括号里的句子提问：1、the students are reading books (inthe school library) .
2、some young people are (seeing an action movie ) in the cinema .
3、sarah is sleeping because she works at night ) .
答案
Where are the students reading books?
What are some young people doing in the cinema?
Why is Sarah sleeping?
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．
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