航海英語緊急用語單項選擇題每日一練(2019.01.10)

來源：考試資料網(wǎng)

1 To reduce mild fever the MOST useful drug is（）.

2 A message giving warning of a hurricane should have which prefix when sent by radiotelephone?（）

3 There is not（）depth of water around the area centered at the lighthouse.

4 If you wished to transmit a message by voice concerning the safety of navigation，you would preface it by the word（）.

5 The best method to stop a vessel from dragging anchor in a sand bottom is to（）.