3、ica New York Washington SanFraancisc thefollowingactivity Leadtotoday's newlesson FirsthavethestudentslearnabouttheUSA. havetosaywhetheritisacityoracountry. Thestudents havetosaywhetheritisacityoracountry. ThestudentscanpractisetheiroralEnglish. 教师活动学生活动设计意图