2010年12月大学英语四级考试模拟试题及答案

2010年12月大学英语四级考试模拟试题及答案 　　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 __1__ only once—for 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 Medicin