精选优质文档-倾情为你奉上Unit 1 A land of diversity The First Period Warming up一Aims:1. Teaching aims 教学目标:Help the students learn more information about America.重点词汇和短语ocean, coast, mountain, range, compare2. Ability aims能力目标Enable the students to know more about America and can give some cities names 二Contents Step I Ask the students to talk about the names in groups, and then write down them on the map.Step II Compare answers with other groupsStep III Give the