this kind of robot will also be fun to watch.robot 可以用复数吗?
题目
this kind of robot will also be fun to watch.robot 可以用复数吗?
This kind of robot will also be fun to watch.为什么Robot是单数而不是复数?可以用复数吗?
答案
不用吧,这里也不是强调数量,可以看做表类别
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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