航海英語(yǔ)雷達(dá)及ARPA的使用單項(xiàng)選擇題每日一練(2019.01.11)

來(lái)源：考試資料網(wǎng)

1 Radar beacons are transmitters designed to produce a（）on the screens of ship’s radar sets.

2 No assumptions（）on the basis of scanty information，especially scanty radar information.

3 Which statement is TRUE concerning a vessel equipped with operational radar?（）.

4 Proper use shall be made（）radar equipment.

5 The development of（）led to the fully automatic ARPA systems installed on commercial ships.