航海英語航海儀器使用說明書單項(xiàng)選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 There is a possibility that small vessel，ice and other floating objects may not be（）by radar at an adequate range.

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2 An ECDIS is required to display which information?（）

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3 A tall object with a light on or near the shore，to act as a guide or warning to mariners is called（）.

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4 Your ship is steaming at night with the gyropilot engaged. You notice that the vessel’s course is slowly changing to the right. Which action should you take FIRST?（）.

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5 Deviation in a compass is caused by the（）.

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