航海英語海上通信基本知識單項(xiàng)選擇題每日一練(2019.01.24)

來源：考試資料網(wǎng)

1 Sorry to have kept you（）for a long time.

2 The date and time kept in the radiotelephone log shall commence at（）.

3 A message by flashing light consists of the call，the identity，the ending，and the（）.

4 The light rhythm of Morse (A) is shown on（）.

5 When my ship arrived there，their ship（）.