航海英語(yǔ)緊急用語(yǔ)單項(xiàng)選擇題每日一練(2019.01.16)

來(lái)源：考試資料網(wǎng)

1 Which is NOT a distress signal?（）

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2 The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.

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3 The urgency signal concerning the illness of persons on board ship is（）.

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4 To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.

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5 The radiotelephone message that indicates a station is about to transmit a message concerning the safety of navigation or important meteorological warnings commences with（）.

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