2012 陕西 第 48 题 单选题 区分题 2012_陕西卷 (英语) 53. The text mainly discusses the relationship between . A. heart problems and air qualityB. heart problems and exercisingC. heart problems and smokingD. heart problems and fatty food 参考答案A ☆ 收藏不会，直接看解析查看原卷 →