The Trens-Siberian Railway
题目
The Trens-Siberian Railway
答案
是The Trans-Siberian Railway.
西伯利亚铁路.
The Trans-Siberian Railway is a network of railways connecting Moscow with the Russian Far East and the Sea of Japan.It is the longest railway in the world.There are branch lines to China through Mongolia and Manchuria.
是世界最长横跨整个亚洲的铁路.
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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