Which of the following statements is true?

A.If a man does not breathe for minutes, his brain will be completely destroyed. B.If you see someone drowning, you must give him mouth-to-mouth breathing. C.Don' t stop pressing his chest, if the drowning man starts breathing again. D.When pressing, you can do it as hard as you can.

时间:2023-10-07 12:55:39

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