航海英語(yǔ)各種英文申請(qǐng)書(shū)單項(xiàng)選擇題每日一練(2019.07.26)

來(lái)源：考試資料網(wǎng)

1 A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.

2 Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure? （）

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3 After an IOPP Certificate is issued to an inspected vessel，how many other surveys of the vessel’s pollution prevention equipment are conducted during the period of validity of the certificate?（）

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

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5 A radio medical advice service（）ships of all nationalities and no charge is made for this service.

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