题目内容：
Whatcanwelearnfromthetext?
A．Eatingfattyfoodhasimmediateeffectsonyourhear B．TheEPAconductedmanystudiesonairqualit
C．Moderateairqualityismoreharmfulthansmoking,
D．Stricterregulationsonpollutantsshouldbemad
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答案解析：