You want to know how long a journey is going to take if you leave now,before booking a connection.
题目
You want to know how long a journey is going to take if you leave now,before booking a connection.
请问这句话中的 booking a connection 是啥意思?
答案
我认为应该是预定行程,谢谢
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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