航海英語航路指南單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.

2 Conditions for crossing a rough bar are usually best at （）.

3 In Admiralty Sailing Directions，STRIPES is the word used to indicate （）marking.

4 At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.

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5 The height of eye correction is smaller than geometrical dip because of （）.

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