航海英語航海通告與警告單項(xiàng)選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 The heights and soundings of Admiralty chart are expressed（）in Fathoms（）in Meters．

2 The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.

3 （）day，pilot flag should be displayed from main mast．

4 The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.

5 Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be （）.