单项选择题

A．The workers on the underground platforms were replaced by machines.
B．It became the first completely automatic railway in the world.
C．A completely automatic line was added to its network.
D．Its trains became computer controlled.
<上一题 目录 下一题>
热门 试题

单项选择题
A．He was caught stealing money in the company.B．He was caught gambling in the company.C．He was caught playing card game in working time.D．He was caught rushing in other people’s houses at meal time.
A．He was caught stealing money in the company.
B．He was caught gambling in the company.
C．He was caught playing card game in working time.
D．He was caught rushing in other people’s houses at meal time.
单项选择题
A．upsetB．depressedC．calmD．excited
A．upset
B．depressed
C．calm
D．excited
相关试题