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单选题
Communication system includes voice and C-W communicating components, PA system, and intercom system.
A
The communication system consists of components for voice and Crew-Warning communication, a Passenger Address system, and an interphone system.
B
The communication system consists of components for voice and Continuous-Wave communication, a Passenger Address system, and an interphone system.
C
The communication system consists of components for voice and Continuous-Wave communication, a Passenger Address system, and an internet communication system.
答案解析
正确答案：B
