either or & neither nor 同义句
题目
either or & neither nor 同义句
1.Both tv and pc cannot work .= Either tv or pc can work .(ture or false)?
2..Neirher tv or pc can work .=
答案
1. True.
Both TV and PC cannot work. = Either TV or PC can work.
第一句是部分否定.
2. Neither TV nor PC can work. = TV can't work, and neither/nor does PC.
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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