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【单选题】
以下不会导致计算机感染病毒的行为是()A.
从网上下载程序
B.
运行从网上下载的程序
C.
从键盘上输入文字
D.
使用外来的U盘
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】A crew member is unconscious and the face is flushed. You should ______.脸红了,所以头稍微高点
A.
lay the crew member down with the head and shoulders slightly raised
B.
administer a liquid stimulant
C.
lay the crew member down with the head lower than the feet
D.
attempt to stand the crew member upright to restore consciousness
【单选题】If the problem is not fixed, ______.
A.
the 3 - member crew would have to die
B.
the 5 - member crew would have to die
C.
the 5 - member crew would have to abort the mission
D.
the 3 - member crew would have to abort the mission
【单选题】The citizenship of a crew member of a vessel is determined solely by the ______.
A.
Customs Officer
B.
Immigration Officer
C.
Coast Guard
D.
Union Official
【单选题】A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated．The most probable cause of this condition would be that ______．
A.
an air leak has developed in the tank
B.
the tank cooling system has malfunctioned
C.
the pilot cylinder discharge valve is leaking
D.
an excessive amount of insulation has been installed on the tank and piping
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