航海英語固體散裝危險品與BC規(guī)則單項選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 An “on-load” release system on a survival craft means the cable can be released（）.

2 An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.

3 After the passage of a cold front the visibility（）.

4 An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.

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5 In handling break bulk hazardous materials，it is forbidden to use（）.

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