How can we protect ourselves in daily life?
A. Be careful to make friends.
B. When in danger, call the police.
C. Eat healthy food
Don’t go out at night
查看答案
The subject of a memo can be:
A. an upcoming event
B. a meeting & a luncheon
C. an update of project progress
D. a business deal
要修炼成PPT高手需要发现乐趣。（）
A. 对
B. 错
“韩信点兵”就是初等数论中的解同余式。
A. 对
B. 错
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