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【单选题】
患者 , 男性 ,52 岁。诊断为慢性支气管炎 , 呼吸困难 , 气促 , 给氧后症状明显改善 , 停用氧气时应首先A.
流量表
B.
开关
C.
拔出鼻导管
D.
取下湿化瓶
E.
拔出导管的玻璃接管
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反馈参考答案：
举一反三
【单选题】John and Mark became separated because ______.
A.
there wasn't room for both John and Mark on the buoy
B.
John couldn't control the coat and drifted away
C.
Mark thought it safe to stay on the buoy but John didn't
D.
John had to stay in the boat to radio for help
【简答题】A．Mr. Mark has much more time. B．Mr. Mark has a wife to help him. C．Mr. Mark doesn't have as much as responsibilities the interviewee has. D．Mr. Mark is not a book lover.
【简答题】1.When
he reads a book, his habit is to make a mark ___ the meaning is unclear to him.A. there B. wherever C. the place D. in which
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