大学英语(全新版)第四册电子教案Unit Four The Multicultural SocietyI. Teaching objectivesStudents will be able to:1. grasp the main idea( Man changes nature in order to live. However, man must also be careful not to disregard the law of nature.) and structure of the text ( A comparison-and-contrast analysis of the two invasions);2. practice their critical thinking ability through in-depth discussions in issues mentioned in the text;3. master key language points and grammatical structures in the tex
