A.called B.is callde C .was called 为什么选B
题目
A.called B.is callde C .was called 为什么选B
many years ago a lot of scientists went tothe coldest place,which___ the Antar Continent,to conduct scientific research
答案
这是个 定语从句,which 等于前面的 place ,is called
相当于:the place is called the Antar Continent
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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