——_____ (be) everyone here?——Yes,they ____ (be).
题目
——_____ (be) everyone here?——Yes,they ____ (be).
答案
Is everyone here?
——Yes,they are
everyone 代表整体,用is,they 用are不用我多说
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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