题目内容
Which of the following is defined as static information？___________.
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Who must be familiar with the Masterlist and Emergency Instructions onboard？________.
When using a hand held smoke signal from a lifeboat, you should activate the signal _____.
The region of high pressure extending around the Earth at about 35°N latitude is called the_____
You are using VHF channel 16 (156.8 MHz) or 2182 KHz. You need help but are not in danger. You should use the urgent signal ______.
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