航海英語海圖及海圖作業(yè)單項(xiàng)選擇題每日一練(2019.01.24)

來源：考試資料網(wǎng)

1 The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.

2 Lines on a chart which connect points of equal magnetic variation are called （）.

3 Which aid is NOT marked on a chart with a magenta circle? （）

4 What information is NOT found in the chart title? （）

5 What defines a great circle? （）