Which of the following communication channels does e-mail belong to（）
A. Written communication channel
B. Oral-only communication channel
C. Blended communication channel
D. Nonverbal communication channel
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Which of the following is NOT a pre-determiner（）
A. all
B. three times
C. half
D. that
The most memorable part of the message is（）
A. The beginning
B. The end
C. The middle
D. The beginning and the end
What is the meaning of the “KISS” rules（）
A. Keep it strict and simple
B. Keep it short and simple
C. Keep it short and smoothly
D. Keep it strict and smoothly
Which of the following belong to formal communication（）
A. Downward communication
B. Upward communication
C. Horizontal communication
D. Rumor mill
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