英語四級完形填空精選練習及詳細解析(26)

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Cloze 26
     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. I’ve been 71 only once – for a woman who had
     merely fainted. But the 72 made me quite curious about how 73 this kind of thing happens I wondered what I would do if 74 with a real midair medical emergency-with out access 75 a hospital staff and the usual emergency equipment. So 76 the New England Journal of Medicine last week 77 a study about in –flight medical events. I read it 78 interest.
     The study estimated that there are a(n) 79 of 30 in-flight medical emergencies on U.S. flights every day. Most of them are not 80;fainting and dizziness are the most frequent complaints. 81 13% of them –roughly four a day – are serious enough to 82 a pilot to change course. The most common of the serious emergencies 83 heart trouble. strokes, and difficulty breathing.
     Let’s face it: plane rides are 84.For starters, cabin pressures at high altitudes are set at roughly 85 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 87 experience chest pains as result of the reduced amount of oxygen flowing through their blood. 88 common in-flight problem is deep venous thrombosis – the so-called economy class syndrome (綜合癥).89 happens, don’t panic. Things are getting better on the in-flight-emergency front. Thanks to more recent legislation, flights with at 90 one attendant are starting to install emergency medical kits to treat heart attacks.
     71 A)called C)Informed B)addressed D)surveyed
     72 A)Accident C)incident B)condition D)disaster
     73 A)soon C)many B)long D)often
     74 A)confronted C)identified B)treated D)provided
     75 A)for C)by B)to D)through
     76 A)before C)when B)since D)while
     77 A)collected C)discovered B)conducted D)published
     78 A)by C)with  B)of D)in
     79 A)amount C)sum B)average D)number
     80 A)significant C)common B)heavy D)serious
     81 A)For C)But B)On D)So
     82 A)require C)engage B)inspire D)command
     83 A)include C)imply B)confine D)contain
     84 A)enjoyable C)tedious B)stimulating D)stressful
     85 A)who C)which B)what D)that
     86 A)harshly C)easily B)reluctantly D)casually
     87 A)ought to C)used to B)may D)need
     88 A)Any C)Other B)One D)Another
     89 A)Whatever C)Whenever B)Whichever D)Wherever
     90 A)most C)least B)worst D)best
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     完形填空答案:
     71-80 AADAB CDCBD 81-90 CAADB CBDAC