Is the research about the link between coffee and heart disease conclusive
题目
Is the research about the link between coffee and heart disease conclusive
帮忙分析结构 主谓宾 谢谢了
答案
the research 主语
is系动词
about the link between coffee and heart disease conclusive表语
句子,除了主谓宾,还有主系表结构
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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