航海英語船舶設(shè)備名稱單項選擇題每日一練(2019.01.15)

來源：考試資料網(wǎng)

1 A ship crane which has been idle for a period of over six months shall be inspected to the same standards as a（）.

2 If a gasoline engine turns over freely but will not start，the cause is generally（）.

3 An example of a modern anchor which has a stock is a(n)（）.

4 The series of valves used to control the return flow in well control operations is called the（）.

5 The portable radio apparatus means（）.