People, _ were danaged in the earthquake will receive help from the government.
题目
People, _ were danaged in the earthquake will receive help from the government.
A, all whose huoses B. all their houses C, all of whose huoses D.allof their houses 该题选哪个,为什么?
问什么A不行，两者之间有什么区分？
答案
C做定语
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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