精选优质文档-倾情为你奉上21世纪大学英语应用型综合教程2 1-5单元课后答案 （完整版）Unit 11.In the six-and-one half years sincet the federal government beagan certifying food as “organic,”Americans have taken to the idea with considerable enthusiasm.自联邦政府六年半前认证“有机”食品以来，美国人以极大的热情接受了这一概念。2.To eat well, says Michael Pollanthe,the author ofIn Defense of Food,means avoiding edible food_like substancesand sticking to real ingredients,increasingly from theplant Kingdom. “吃得好”，食物无罪的作者迈克尔波轮说，“意味着避免摄入可食用的类似的物质，并坚持从蔬菜中获取真正营养
