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大學英語四級詞匯試題

時間:2024-09-28 01:35:22 英語試題 我要投稿
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大學英語四級詞匯試題

  As a physician who travels quite a lot, I spend a lot of time on planes listening for that dreaded Is there a doctor on board? announcement. Ive been __1__ only oncefor a woman who had merely fainted. But the __2__ made me quite curious about how __3__ this kind of thing happens.I wondered what I would do if __4__ with a real midair medical emergency-without access __5__ a hospital staff and the usual emergency equipment. So __6__ the New England Journal of Medicine last week __7__ a study about in-flight medical events,I read it __8__ interest. The study estimated that there are a __9__ of 30 in-flight medical emergencies on U.S. flights every day. Most of them are not __10__; fainting and dizziness are the most frequent complaints. __11__ 13% of them roughly four a dayare serious enough to __12__ a pilot to change course. The most common of the serious emergencies __13__ heart trouble, strokes, and difficulty breathing.Lets face it: plane rides are __14__. For starters, cabin pressures at high altitudes are set at roughly __15__ they would be if you lived at 5,000 to 8,000 feet above sea level. Most people can tolerate these pressures pretty __86__, but passengers with heart disease __17__ experience chest pains as result of the reduced amount of oxygen flowing through their blood. __18__ common in-flight problem is deep venous thrombosisthe so-called economy class syndrome .__19__ happens, dont panic. Things are getting better on the in-flight-emergency front. Thanks to more recent legislation, flights with at __20__ one attendant are starting to install emergency medical kits to treat heart attacks.

大學英語四級詞匯試題

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