名师精讲大学英语四级完型填空解析讲义:(156)-查字典英语网
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名师精讲大学英语四级完型填空解析讲义:(156)

发布时间:2016-03-01  编辑:查字典英语网小编

  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 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 .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)treatedD)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

  78A)by C)with B)of D)in

  79 A)amount C)sum B)average D)number

  80 A)significant C)common B)heavyD)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)stimulatingD)stressful

  85 A)whoC)which B)whatD)that

  86 A)harshlyC)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

  89A)Whatever C)Whenever C)Whichever D)Wherever

  90A)mostC)least B)worstD)best

  答案与解析

  71 A ) called 72 A) accident 73 D) often 74 A) confronted 75 B) to 76 C) when 77 D) published 78 C) with 79 B) average 80 D) serious 81 C) But 82 A ) require 83 A ) include 84 D) stressful 85 B ) what 86 C) easily 87 B) may 88 D) Another 89 A ) Whatever 90 C) least

  

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