The purpose of the passage is to ……… A. introduce some knowledge about carbon monoxide poisoning B. list the damages that carbon monoxide brings to people. C. give advice on how to avoid

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The purpose of the passage is to ………

introduce some knowledge about carbon monoxide poisoning

list the damages that carbon monoxide brings to people.

give advice on how to avoid carbon monoxide poisoning.

warn people not to burn fuels to keep warm in the winter.

Giải thích

Đáp án đúng là: B

Giải thích: nội dung đoạn văn nói về những tác hại mà khí carbon monoxide mang lại cho con người