A long tear-jerking story at the beginning of a presentation is a good attention getting device.
A long tear-jerking story at the beginning of a presentation is a good attention getting device.
A.正确
B.错误
正确答案:错误
A long tear-jerking story at the beginning of a presentation is a good attention getting device.
A.正确
B.错误
正确答案:错误
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