我对以下问题不知所措,请帮我解决,
题目
我对以下问题不知所措,请帮我解决,
Every girl and every boy as well as their teachers ( )going to the museum(在括号里填is还是are)
Every girl and every boy as well as their teachers ( )teaching us(is还是are)
答案
is
are
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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