Text AA Friend In Need Objectives Background Discussion Structure Study Need Language Study

成都信息工程大学（成都信工学院）：《大学英语》PPT教学课件（第四册）Unit4 America as a Collage

Text A Smart Cars Part 1 Objectives Part 2 Background Part 3 Structure Study LR Part 4 Language Points

Text The Icy Defender Part 1 Objectives Part 2 Background Part 3 Structure Study Part 4 Language Points

Contents Teaching Objectives Background Information Text Organization Language Points

Contents Teaching Objectives Background Information Text Organization Language Points Discussion

一、环境微生物学的研究内容 二、微生物的一般特点 三、微生物的分类与命名

第一节 细菌 第二节 放线菌 第三节 蓝细菌（Cyanobacteria） 第四节 支原体、立克次氏体和衣原体

Contents Teaching Objectives Background Information Text Organization Words and Expressions Grammatical Structures Discussion

Contents Teaching Objectives Background Information Text Organization Words and Expressions Grammatical Structures Questions