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【单选题】
灭活疫苗保存条件是()A.
2～8℃
B.
-15℃ 以下
C.
0℃
D.
室温
E.
井水
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举一反三
【简答题】饮片切制的目的在于 _________、_________、_________、_________、_________。
【单选题】Where should muster lists be posted? 1 In crews’ accommodation spaces. 2 On the navigating bridge. 3 In the engine room.
A.
①②
B.
②③
C.
①③
D.
①②③
【简答题】何谓饮片切制？
【单选题】When the order _____ is received from the bridge, the main air stop valve in the starting air line should be shut.
A.
stand-by engine
B.
full ahead
C.
finished with engine
D.
ring off engines
【简答题】简述饮片切制的目的。
【简答题】饮片切制的目的有哪些？
【单选题】You are a watch standing mate and have come to the bridge to relieve the watch while underway at sea.The watch should not be transferred（）.
A.
During an engine speed change
B.
During a navigational course change
C.
Unless the helm is in the“hand”mode
D.
All of the above
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