2005年12月英语四级A卷试题（完型）免费下载
stening 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
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