航海英語航海出版物單項選擇題每日一練(2019.01.23)

來源：考試資料網(wǎng)

1 A message by flashing light consists of the call，the identity，the text，and the （）.

2 A petroleum liquid has a flash point of 85°F. This is a grade （）.

3 A precaution you should take before bunkering is to （） .

4 A crew member has just fallen overboard off your port side．Which action should you take （）.

5 A red triangular daymark marks （）.