航海英語航海出版物單項(xiàng)選擇題每日一練(2019.01.10)

來源：考試資料網(wǎng)

1 A low HDOP (Horizontal Dilution of Precision) number such as 2 indicates a （）.

2 A quick and rapid motion of a ship in a seaway is an indication of a(n) （）.

3 The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.

4 What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.

5 A position that is obtained by using two or more intersecting lines of position taken at nearly the same time，is a(n) （）.