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xiaoxiaoxiao
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After doing a presentation, you want to identify your weaknesses and improve your skills. Which of the following ways do you think is better?
by
xiaoxiaoxiao
(ZHONGDA)
last updated 4 years ago
4 years
3 Replies
ShippersForMe Participant
Scientific discoveries should be shared among scientists around the world. Governments and businesses should not keep them secret.
by
xiaoxiaoxiao
(ZHONGDA)
last updated 4 years ago
4 years
1 Replies