航海英語雷達(dá)及ARPA的使用單項選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 The shoreline along Rocky Point should give a good radar return because（）.

2 Which statement concerning the operation of radar in fog is TRUE?（）

3 When you turn on the fast time constant (differentiator) control of a radar it will（）.

4 Radar reflectors are required for（）.

5 You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.