always move slowly
are in one place only
sometimes move and sometime don‟t
synchronize with the movement of the earth
第1题：
A.CAT5e
B.CAT3
C.Fiber
D.RG-6
第2题：
AMVER is a system which provides ______．
A.satellite communications
B.navigational information
C.weather information
D.position reporting service
第3题：
A、The/ the/ the
B、The/ a/ the
C、A/ a/ the
D、A/ a/ a
第4题：
Which of the following cable types is used to transmit data from a satellite dish to the satellite modem?（）
第5题：
第6题：
What is defined as and area, excluding sea areas A1 and A2, within the coverage of an INMARSAT geostationary satellite in which continuous alerting is available?
A.Ocean Area Regions AOR-E, AOR-W, POR or IOR
B.Sea Area A3
C.Sea Area A4
D.Coastal and Inland Waters
第7题：
Which device provides the main means in the GMDSS for locating ships in distress or their survival craft ________．
A.Radio direction finder
B.Satellite EPIRBs
C.MF/HF DSC
D.VHF homing device
第8题：
Meteorologists forecast the weather______．
A．when they have received satellite pictures
B．after they have compared new satellite pictures with earlier ones
C．before they received satellite pictures
D．during they study satellite pictures
第9题：
Which of the following wireless technologies is primarily setup for video/audio and the frequency is 5 GHz?（）
第10题：
卫星RNA（satellite RNA，sRNA）