单项选择题

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

单项选择题
A．Making an appointment.B．Coming back about 4:00.C．How to use the library.D．How to choose a course.
A．Making an appointment.
B．Coming back about 4:00.
C．How to use the library.
D．How to choose a course.
单项选择题
A．We should blame external factors.B．We should blame internal factors.C．We should blame others.D．We needn’t blame ourselves.
A．We should blame external factors.
B．We should blame internal factors.
C．We should blame others.
D．We needn’t blame ourselves.
相关试题