航海英語(yǔ)磁羅經(jīng)與陀螺羅經(jīng)的使用單項(xiàng)選擇題每日一練(2019.01.10)

來(lái)源：考試資料網(wǎng)

1 The compass deviation changes as the vessel changes（）.

2 Any piece of metal on becoming magnetized will develop regions of concentrated magnetism called（）.

3 The permanent magnetism of a vessel may change in polarity due to（）.

4 Which statement about the Flinders bar of the magnetic compass is CORRECT（）.

5 The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.