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They record where you are going,how fast you're traveling and whether everything on your airplane is functioning normally.
出自-2010年6月阅读原文
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It ensures the normal functioning of an airplane
出自-2010年6月阅读原文
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It is an indispensable device on an airplane.
出自-2010年6月阅读原文
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Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations,and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments.
出自-2010年6月阅读原文
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airplane food might not really be as tasteless as you originally thought.
2019年12月四级真题(第三套)阅读 Section A
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Although in-flight infections thrive in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air filters used.
2019年12月四级真题(第三套)阅读 Section A
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Prior to the new study, little was known about the risks of getting directly infected by common respiratory viruses, such as the flu or common cold, on an airplane, the researchers said.
2019年12月四级真题(第一套)阅读 Section A
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Therefore, these new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.
2019年12月四级真题(第一套)阅读 Section A