航海英語地文航海單項選擇題每日一練(2019.01.09)

來源：考試資料網(wǎng)

1 Restricted areas at locks and dams are indicated by（）.

2 （）means the curve on the earth’s surface which cuts all the meridians at the same angle.

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

4 What area of the earth cannot be shown on a standard Mercator chart（）.

5 A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n)（）.