Satellite
Microwave
Light wave
Radio Frequency
第1题：
A.100BaseTEthernet
B.802.11g
C.Z-Wave
D.Bluetooth
第2题：
A.Radio Wave
B.Radio Flag
C.Raddio Fdrequency
D.Red Frequency
第3题：
此题为判断题(对，错)。
第4题：
射频识别技术的英文全称是Radio Frequency Identification缩写（）
第5题：
Bluetooth is a （）technology.
第6题：
A. Satellite
B. Microwave
C. Light wave
D. Radio Frequency
第7题：
If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies, which frequency should you call on ?______.
A.Calling frequency
B.Distress frequency
C.Urgency frequency
D.Working frequency
第8题：
The speed of radio waves is equal to ________of light.
A. those
B. that
C. the one
D. the ones
第9题：
射频识别（Radio Frequency Identification，RFID）技术的基本原理是磁波理论。
第10题：
Which of the following communication methods will provide the maximum bandwidth for video streaming through a media extender？（）