【单选题】Which of the following statements regarding VHF transmission is not true?
A.
VHF communications are effect.ive only with nearby stations within visual range.
B.
The height of vessel's antenna will affect the radius of propagation.
C.
The normal transmission range to a coast station is approximately 25 nautical miles.
D.
The frequency 156.525 MHz is designated for on-scene communication.
【单选题】休克时反映重要器官血液灌注充足与否的简单有效的监测指标是
【单选题】休克时反映重要器官血液灌注充足与否的简单、有效的监测指标是
【单选题】休克时反映重要器官血液灌注充足与否的简单、有效的监测指标是
【单选题】Believe in yourself and be _____ you are.
【单选题】Which action should be taken on receipt of a GMDSS distress alert ________.
A.
Read the display screen and/or printout
C.
Listen for any follow up voice/telex transmission on the appropriate frequency