Environmental Protection Daily Post – March 30: Reward for participation, plus 5 more points for answering 5 questions correctly
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Judge right or wrong； Construction and decorative materials, ventilation and air conditioning systems, office equipment, and household appliances are the most important “hidden killers” of indoor air quality. ( )√ × √
Construction and decorative materials, ventilation and air conditioning systems, office equipment, and household appliances are the most important “hidden killers” of indoor air quality. ( √ )