航海英語海圖及海圖作業(yè)單項選擇題每日一練(2019.01.16)

來源：考試資料網(wǎng)

1 When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.

2 A chart position enclosed by a semi-circle is a(n) （）.

3 Admiralty Charts are published in （）.

4 When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.

5 The changes in the channel’s sands and buoys on this coast are （） this chart can not be considered as a safe guide of the channel．