With the plane?_________?in ten minutes,?all the passengers on board were asked to turn off their mobile phones.

单选题

As I recall my plane trip around the world last July and August, I think my greatest difficulty was the adjustment to the different _____ served with the food in the various cities we visited.

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单选题

Tony stops him with news that a plane has ______ over the Mojave Desert.

答案解析

单选题

With the plane?_________?in ten minutes,?all the passengers on board were asked to turn off their mobile phones.

答案解析

单选题

_____, all machines are combinations of simpler parts such as the lever, the pulley, and the inclined plane.

答案解析

单选题

Baggage that the passenger can carry onto the plane and keep with himin the passenger compartment of the aircraft is usually called( ).

答案解析