To show the key role played by air traffic controllers．-找考题网

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.

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单项选择题

A．Slow exercises.B．Rest Or meditation.C．Rest and meditation.D．Remaining comfortable.

A．Slow exercises.
B．Rest Or meditation.
C．Rest and meditation.
D．Remaining comfortable.

单项选择题

A．They are less intelligent.B．They are less moral.C．They are more numerous.D．They often speak a non-English language at home.

A．They are less intelligent.
B．They are less moral.
C．They are more numerous.
D．They often speak a non-English language at home.

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