题目内容
胸外按压时，按压深度应为
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Direction: Read the following text. Choose the best word or phrase for each numbered blank. Nowadays almost every city has an airport, 1 two, in the case of some big cities. Like a railway station, an airport is a very 2 place. At almost any hour of the day or night it is thronged 3 people, many of them are passengers who are 4 waiting for a flight out or who have just 5 . Today, a great number of people travel from one country to another by plane just as 6 as other people 7 from one town to another within the same country by train or bus. The big building in which passengers wait for their plane is called the 8 . When a passenger arrives 9 the terminal, he goes to the airline 10 has arranged his trip. There he 11 his ticket as 12 that he has a seat in the plane. He also 13 his heavy luggage to 14 and sent to the hold of the aircraft. The passenger is allowed to carry only light articles with him. If his ticket is in order, and his luggage is not 15 , he is given a card called a 16 pass which allows his admission 17 the plane. However, he can not proceed to the aircraft 18 he 19 an announcement over the loudspeakers that his plane is about to 20 .
有关血源性椎间隙感染的病人，下列哪项叙述是错误的
患者，男，58岁。高血压病史20年，近1年常心慌，气短，昨夜睡眠中突然憋醒，胸闷，咳嗽，气喘，急诊入院。经检查诊断为急性肺水肿，左心衰竭。治疗应选用
人工呼吸按压与吹气比是
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