According to the report ,the railway ____ now will cut the journey time between the two cities by ar
题目
According to the report ,the railway ____ now will cut the journey time between the two cities by around 12 hours.
A built B being built
答案
B 正在被建造的铁路 相当于which/that is being buit now A的话表示已经被建造.
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