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更多“Back-channel signals are a fun…”相关的问题
In face-to-face communication, non-verbal signals are not as important as verbal messages.()
参考答案：错误
On CD-ROM drive, data signals are transferred to the computer through ______.
A．read-write heads B．access arms
C．sectors D．a laser
The speed of radio signals is ______ a spaceship.
A．a little greater than
B．as great as
C．much greater than
D．less than
A list man would expect to see any of the following light signals EXCEPT ______.
A.two red lights
B.one green light
C.one white light
D.one amber light
A.Ones that send mixed signals with your words.
B.All of the answers.
C.Ones that look contrive
D.Ones that are not appropriate for your audienc
A.revaluation
B. appreciation
C. depreciation
D. devaluation
What did a group of scientists do when they noticed strange radio signals from space？
A) They told the newspaper about the matter.
B) They told the public about the matter.
C) They kept it secret.
D) They told a few people.
A. printer
B.speaker
C.Modem
D.keyboard
A. signals
B. gives
C. marks
D. has
