考题列表
- 单项选择题 Which signal is recognized as ...
- 单项选择题 Which signal is detected as or...
- 单项选择题 Which of the following stateme...
- 单项选择题 Which of the following stateme...
- 单项选择题 Which is NOT a distress signal? （）
- 单项选择题 Which is a distress signal? （）
- 单项选择题 Which EPIRB transmits a distre...
- 单项选择题 Which condition represents the...
- 单项选择题 Which condition represents the...
- 单项选择题 Which categories of NAVTEX mes...
- 单项选择题 Which action should you take a...
- 单项选择题 When you are firing a pyrotech...
- 单项选择题 When should distress flares an...
- 单项选择题 When sending a DSC call，the ve...
- 单项选择题 When can routine communication...
- 单项选择题 When can routine communication...
- 单项选择题 When a vessel signals her dist...
- 单项选择题 What is the fundamental purpos...
- 单项选择题 What is the calling and distre...
- 单项选择题 What is NOT a distress signal?（）
- 单项选择题 What is meant by the term “rad...
- 单项选择题 Wat is NOT required in the rad...
- 单项选择题 Upon receipt of a distress mes...
- 单项选择题 Three short blasts of the whis...
- 单项选择题 The signal to guide vessels in...
- 单项选择题 The service life of distress s...
- 单项选择题 The regulations require that i...
- 单项选择题 The Navigation Rules state tha...
- 单项选择题 The distress message of a ship...
- 单项选择题 Several merchant ships are arr...
- 单项选择题 If your vessel is underway in ...
- 单项选择题 If you log a distress message，...
- 单项选择题 If you are transmitting a dist...
- 单项选择题 How is “radio silence” imposed?（）
- 单项选择题 Distress signals may be（）.
- 单项选择题 Distress flares and smoke sign...
- 单项选择题 At night，if you see a vessel a...
- 单项选择题 All of the following are recog...
- 单项选择题 All of the following are distr...
- 单项选择题 According to the “Vessel Bridg...
