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Anonymous users2024-01-24A. Carbon monoxide is flammable, and if you turn on the exhaust fan, an open flame may be generated, which will cause the mixture of carbon monoxide and air to explode, so A is wrong;
B. Formaldehyde is toxic and can destroy the structure of protein, which is not only harmful to the human body, but also reduces the quality of food, so B is wrong;
C. Balanced nutrition can be healthy, and not eating foreign fast food with high protein, sugar, and oil content is conducive to good health, so C is correct;
D. Add an appropriate amount of soda ash to the steamed bread, so that the acid produced during fermentation reacts with it to generate carbon dioxide gas, so that the steamed bread is soft and harmless to the human body, so D is correct
So choose the CD
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