how did people travel in the old days?
题目
how did people travel in the old days?
答案
从前人们是怎么旅行的?
in the old days
从前,过去
-as in the good old days:一见如故 一见如故
...如期而至 come at the appointed time一见如故 strike a friendship with s.o.on first meeting him; as in the good old days将如之何 what are you (am I) going to do about it?...
-I was back in the old days - long ago:我回到过去的岁月——很久以前
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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