航海英语单项选择题每日一练(2019.10.08)

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1 A vessel having continuous closely spaced transverse strength members is（）.

2 Any action taken to avoid collision shall，if the circumstances of the case admit，（）.

3 I hereby request permission（）the ship’s main engine for routine maintenance.

4 The expression STAND-BY ENGINE means:（）.

5 Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.