单项选择题

A．To show the key role played by air traffic controllers.
B．To show the great responsibility shouldered by the pilots.
C．To give an example of air disasters.
D．To show that air travel is far safer than driving a car.
<上一题 目录 下一题>
热门 试题

单项选择题
A．Authority.B．A good relationship.C．Good luck.D．Independence.
A．Authority.
B．A good relationship.
C．Good luck.
D．Independence.
单项选择题
A．He may see Alan in Italy.B．He was looking for Alan in the library.C．He’’s not sure which way to go.D．He may have made a mistake.
A．He may see Alan in Italy.
B．He was looking for Alan in the library.
C．He’’s not sure which way to go.
D．He may have made a mistake.
相关试题