You will easily know _____ of those video recorders are the same A that B which
题目
You will easily know _____ of those video recorders are the same A that B which
答案
B正确,因为that引导宾语从句时不作任何成分,甚至可以省略.而此处的介词OF需要宾语,which正好满足了这一点.另外木有what of 这个搭配哦.
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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