L Teaching Objectives At the end of the unit you will be able to 1.become familiar with features and organizational patterns of classification in paragraph writing: 2.know how to use relevant words or expressions in classification; be able to write paragraphs developed by classification; gain some knowledge about educational issues discussed in this unit. Teaching Contents Part 1 1.Classification 2.To classify is to gather into types.kinds,or categories according to asingle basis of division.We classify things according to their similarities and difference.If we classify rivers,we separate them into wide ones,narrow ones,long ones,short ones,deep ones,and shallow ones.Population can be classified in more than one way.One way is by age group-the number of people under eighteen,between eighteen and fifty-five,and over fifty-five.Other ways of dividing population are by geographic location. occupation.family size.level of education,and so on. 3.Able to organize a paragraph by classification Part 2 1.Linking devices for paragraphs by classification 2.Transitional expressions for classification:can be divided,can be classified,can be categorized,the first type,the second kind,the last category 3.Able to write a paragraph developed by classification III.Exereises Do all the exercises of this unit. IV.Teaching methods 1.Warm-up writing:the purpose ofeducation 2.Group discussion 3.Oral practice 4.Analyzing samples 5.Pair works 本章教学主要采用的方法和手段，如课堂讲授、分组讨论、课堂讨论等11 I. Teaching Objectives At the end of the unit you will be able to 1. become familiar with features and organizational patterns of classification in paragraph writing; 2. know how to use relevant words or expressions in classification; be able to write paragraphs developed by classification; gain some knowledge about educational issues discussed in this unit. II. Teaching Contents Part 1 1. Classification 2. To classify is to gather into types, kinds, or categories according to a single basis of division. We classify things according to their similarities and difference. If we classify rivers, we separate them into wide ones, narrow ones, long ones, short ones, deep ones, and shallow ones. Population can be classified in more than one way. One way is by age group--the number of people under eighteen, between eighteen and fifty-five, and over fifty-five. Other ways of dividing population are by geographic location, occupation, family size, level of education, and so on. 3. Able to organize a paragraph by classification Part 2 1. Linking devices for paragraphs by classification 2. Transitional expressions for classification: can be divided, can be classified, can be categorized, the first type, the second kind, the last category 3. Able to write a paragraph developed by classification III. Exercises Do all the exercises of this unit. IV. Teaching methods 1. Warm-up writing: the purpose of education 2. Group discussion 3. Oral practice 4. Analyzing samples 5. Pair works 本章教学主要采用的方法和手段，如课堂讲授、分组讨论、课堂讨论等