According to Dr. Gallup, people in a meeting may yawn when______.
A. the meeting room is overheated
B. other people around them yawn
C. a meeting is brief and interesting
D. the air-conditioner temperature is lowered
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Lindsay Eierman says she didnt sleep well last night because______.
A. yawning is her problem
B. her colleague doesn" t forgive her
C. she feels very sorry for yawning at the office
D. she regards sleep deprivation as the reason of yawning
According to Paragraph 3, which of the following is NOT true about yawning？
A. It always happens in groups
B. It makes people relax under pressure
C. It is caused by changes in brain chemistry
D. It usually lasts approximately six seconds
The passage mainly discusses______.
A. the rates of yawning
B. the misconceptions of yawning
C. the secrets of yawning
D. the applications of yawning
Hallowell argues in his new book, Driven to Distraction at Work: How to Focus and Be More
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