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【单选题】
乳房肿块切除术最佳预防伤口感染的措施是:A.
彻底止血
B.
消灭死腔
C.
用无菌盐水清洗伤口
D.
严格遵守无菌技术
E.
术后使用抗生素
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举一反三
【单选题】When your vessel is proceeding to congested waters, ( ) is used to determine the exact ranges of other ships or objects in the vicinity.
A.
DF
B.
Satellite Navigator
C.
GPS
D.
Radar
【单选题】When your vessel is on or near the path of an approaching tropical storm the（）.
A.
wind direction remains steady
B.
wind speed increases
C.
barometer falls
D.
All of the above
【简答题】( )创建了我国第一所公立幼稚师范学校——江西省立实验幼师。
【单选题】When your vessel is proceeding to the area of traffic density, ___ _ is used to determine the exact ranges of other ships or objects in the vicinity
A.
radar
B.
GPS
C.
AIS
D.
satellite navigator
【单选题】When your vessel is proceeding to the area of traffic density,（）is used to determine the exact ranges of other ships or objects in the vicinity.
A.
radar
B.
GPS
C.
DF
D.
satellite navigator
【单选题】When your vessel is proceeding to the area of traffic density，______ is used to determine the exact ranges of other ships or objects in the vicinity．
A.
Radar
B.
GPS
C.
DF
D.
Satellite Navigator
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