__ does it cost to travel to the airport by the Airport Express?A How many B How long C How much D H
题目
__ does it cost to travel to the airport by the Airport Express?A How many B How long C How much D How heavy 我认为觉得cost 是指话费了多少钱的意思,所以用How much,
答案
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
最新试题
热门考点