where someone is born and what a person looks like ----not as important as what he or she grows up t
题目
where someone is born and what a person looks like ----not as important as what he or she grows up to be.
A.is B.are
答案
A.句子并列作主语,谓语为单数形式
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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