航海英語海上避碰規(guī)則單項(xiàng)選擇題每日一練(2019.08.02)

來源：考試資料網(wǎng)

1 The term restricted visibility，when used in the Rules，refers to（）.

2 Any alteration of course and／or speed to avoid collision shall，if the circumstances of the case admit，（）to another vessel observing visually or by radar.

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3 A yellow signal，floating in the air from a parachute，about 300 feet above the water，indicates that a submarine（）.

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4 The rules require which factor to be taken into account when determining safe speed（）.

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5 Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.

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