第32题: [单项选择]Doctors say that people can dramatically reduce their risk of heart disease by quitting smoking and adopting an ______ lifestyle. A. acting B. active C. action D. actively 参考答案:B 答案解析:[结构+词汇] 形容词位置,active(活跃的) [错误答案] (A)acting作形容词出现在名词前时,会变成“代理的,装腔作势的”等其他意思,所以是错误答案。