到北京的距离大约是5×102km,如果将来要建成高速铁路,列车速度可达3×102km/h,到那时如果我们要从赤峰坐高铁直达北京,列车按此速度运行需要的时间是( )
A:1min
B:10min
C:100min
D:1000min
Xi Jinping, the new president of our government, calls on us to ________ food.