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提问人:网友chenlei
发布时间:2022-01-06
[主观题]
A public speaker who frequently says “uh,” “er,” or “um” is failing to make effective use of __________.
A、vocal variety
B、pauses
C、rate
D、pitch
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查看官方参考答案
A、vocal variety
B、pauses
C、rate
D、pitch
A、Acetylcholine(ACh)
B、Methacholine
C、Carbachol
D、Bethanechol
E、Pilocarpine
A、posture
B、gesture
C、eye contact
D、vocal variety
A、break eye contact with your audience
B、gesture less frequently
C、speak at a faster rate
D、speak at a slower rate
A、chart
B、slide
C、picture
D、model
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