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【单选题】
在中子照相中需要使用转换屏，它在接受中子照射后能放出( )辐射而使X射线胶片感光A.
α
B.
β
C.
γ
D.
以上都是
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举一反三
【单选题】According to the author, when a doctor tells a patient to 'return next Wednesday', the doctor is in fact
A.
instructing the patient to buy more medical services.
B.
warning the patient that a hospital stay might be necessary.
C.
advising the patient to seek a second opinion.
D.
admitting that the initial visit was ineffective.
【单选题】According to the author, when a doctor tells a patient to 'return next Wednesday', the doctor is in effect ______.
A.
advising the patient to seek a second opinion
B.
admitting that the initial visit was ineffective
C.
instructing the patient to buy more medical services
D.
warning the patient that a hospital stay might be necessary
【多选题】下列关于肺动脉走行的描述哪些正确
A.
其走行异常是判断右心增大的重要依据
B.
肺动脉主干自前下向后上走行
C.
上腔静脉后方为右肺动脉干
D.
其下方为主动脉弓
E.
与右心室相连
【单选题】According to the author, when a doctor tells a patient to 'return next Wednesday', the doctor is in effect ______.
A.
taking advantage of the patient's concern for his health
B.
instructing the patient to buy more medical service
C.
warning the patient that a hospital stay might be necessary
D.
advising the patient to seek a second opinion
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