航海英語各種英文申請(qǐng)書單項(xiàng)選擇題每日一練(2019.05.12)

來源：考試資料網(wǎng)

1 After sending a message describing the symptoms of an ill crew member，you receive a message containing the code MRL. This means（）.

2 A fishing vessel casualty must be reported to the Coast Guard if it involves（）.

3 A green buoy has a yellow triangle on it. This is a(n)（）.

4 A fiber towing hawser is readied for service by（）.

5 A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it is （）.