A:塑料瓶
B:易拉罐
C:旧报纸
D:废电池
A. I want to buy some toys.
B. Go straight down this street. Turn left at the traffic lights.
C. Sure.
D. He is flying a kite.
E. They played basketball.
一座铁路桥全长1200米,一列火车开过大桥需花费75秒;火车开过路旁电杆,只要花费15秒,那么火车全长是____ 米.
读“地球经纬网示意图”,完成问题.