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【单选题】
确诊食道阻塞的方法是( )A.
吞咽障碍
B.
食管触诊或视诊
C.
胃管探针
D.
X线检查有异物阴影
E.
触摸
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皮皮学刷刷变学霸
举一反三
【单选题】They believed that the merchants had conspired to undermine the nation's economic independence.
A.
uphold
B.
minimize
C.
weaken
D.
postpone
【单选题】At one time doctors discouraged taking multivitamins because they believed that multivitamins ________.
A.
could not easily be absorbed by the human body
B.
were potentially harmful to people’s health
C.
were too expensive for daily consumption
D.
could not provide any cure for vitamin deficiencies
【单选题】______ , his poor health was due to his smoking habit.
A.
Obviously
B.
Generally
C.
Summary
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