单项选择题

Questions 32 to 35 are based on the passage you have just heard.

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．Red Cross workers are in many countries.B．Red Cross only exists in the United States.C．Red Cross is another name for world hospital.D．Many people who are in need work in Red Cross.
A．Red Cross workers are in many countries.
B．Red Cross only exists in the United States.
C．Red Cross is another name for world hospital.
D．Many people who are in need work in Red Cross.
单项选择题
A．Before finishing school.B．After finishing university.C．During her university course.D．Between school and university.
A．Before finishing school.
B．After finishing university.
C．During her university course.
D．Between school and university.
相关试题