问题
单项选择题
进行性慢性阻塞性肺疾病的肺功能检查最先出现异常的是（）
A.X线胸片
B.肺泡-动脉氧差
C.最大呼气流速
D.1秒钟用力呼气量
E.肺活量降低时的最大呼气流量（MMF.
答案
参考答案：E
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进行性慢性阻塞性肺疾病的肺功能检查最先出现异常的是（）
A.X线胸片
B.肺泡-动脉氧差
C.最大呼气流速
D.1秒钟用力呼气量
E.肺活量降低时的最大呼气流量（MMF.
参考答案：E
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| Jack worked in a shop that sold clocks. He was always telling Harry 1 a new clock. But Harry, 2 lived next door to Jack's, said he didn't need one. " 3 needs a clock," Jack said."How do you know when it's time to get up?" "My landlord Mr. Smith turns on his radio at seven o'clock and listens 4 the news," Harry said. "That's my morning call." "Ok. But how do you know when to go to work?" "By the time I 5 my breakfast, it's eight o'clock, time to leave for the office. Then I walk there. When I arrive at my office, it's nice o'clock. That's 6 time I start work." "Ok. But how do you know when it's time to go home?" "The factory bell 7 " Harry told him. "But how do you know when it's time to go to bed?" "The television programs come to end." By now Jack was really 8 . "Ok," he shouted. "Now tell me what would happen 9 you woke up in the middle of the night and wanted to know the time." "That's easy," Harry said, "I would knock heavily on 10 wall. Then you would shout at me, "What are you doing knocking on my wall at three o'clock in the morning?" | ||||
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