Everyone should learn something about first aid，for every second will in an emergency.A.

发布时间：2020-08-17 10:07:33

Everyone should learn something about first aid，for every second will      in an emergency.
A. play
B. count
C. happen
D. show

网友回答

A. play
(答案→)B. count
C. happen
D. show
解析：
句意为：每个人都应该学点急救知识，因为在紧急情况下每一秒都很重要。play玩； count起关键作用；happen发生； show展示。
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