DivisionandClassification汇总实用教案

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1、 Division and Classification are two ways of sorting things out. Division is used to deal with one thing. Its purpose is to separate the thing into parts. For example a pair of glasses can be divided into the frame and the lens. 第1页/共19页第一页，共20页。 Classification is used to organize things that share

2、certain qualities. Its purpose is to group things systematically. For example, courses in college can be classified into elective and required/mandatory courses, or those taught in the native language and those offered in foreign languages. Division deals with the whole, classification with the part

3、s. division and classification often go together. 第2页/共19页第二页，共20页。Both are useful as organizational strategies in writing In my experience I find that studying can be divided into three phases-no matter what is being studied. In the first phase, you are very interested in the new subject. You are w

4、illing to study and everything about the subject is appealing and mysterious. 第3页/共19页第三页，共20页。 But after exploring the subject for a considerable amount of time, the second phase comes along. The subject youve been learning seems a little boring, and sometimes you have the idea to give up. As diffi

5、culties appear, if you can handle them it will be exciting, but most of the time you confront failure; its disappointing and upsetting, and you may think theres no hope in studying this subject. If you really do give up, everything is over. But if you can hold on, the situation will change. In the t

6、hird phase, you have gained a thorough understanding of the subject, and you can find a genuine interest in it. Now you like the subject not because of your impulse, but because of the real value of it.第4页/共19页第四页，共20页。GuidelinesChoose an appropriate principle of division/classification suited to th

7、e purpose. Things are divided or classified according to the writers purpose. For example, a body of students may be classified into male and female, or 1. majors of natural sciences, social sciences, etc. 第5页/共19页第五页，共20页。 on the basis of the dialects they speak a division of people according to th

8、eir weight may be absurd unless the purpose is to discuss how different categories of people respond to a certain medicine of which the dosage depends on the person s weight. 第6页/共19页第六页，共20页。 Apply the division/ classification consistently and thoroughly, and avoid overlapping（重叠(chngdi)）. The cate

9、gories should be identified according to the same standard throughout. A body of people may be divided according to sex, race, nationality, occupation, interests, religious belief, family background, socioeconomic background, attitude towards work/marriage, etc. categorize delegates at a conference:

10、 Europeans, Africans, Germans, Somalis, Chinese, and blacks Remember, one item can belong to only one category.第7页/共19页第七页，共20页。 At the conference were delegates from every continent of the world-Asia, Europe, Africa, North America, and South America, one continent-Oceania-is left out. 第8页/共19页第八页，共

11、20页。Organize the information logically point by point or subject by subject第9页/共19页第九页，共20页。A model essay Types of Fishermen Some people would classify fishermen according to where they fish either in fresh or salt water, or in streams, lakes, bays, or oceans. Others would group fishermen by what th

12、ey use to attract the fish natural bait or artificial lures. Still others would make the division according to why they fish those who do it for food, those who do it for sport, and those who do it for fun. To my mind the factor that really distinguishes them is whether or not they catch fish. Using

13、 this criterion, I would divide fishermen into three categories: those who catch fish regularly; those who dont catch fish and don know why; and those who dont catch fish and dont care why.第10页/共19页第十页，共20页。 Most really serious fishermen fall into the first category because they have learned a great

14、 deal about the fish they seek. At the other extreme, is the unsuccessful fishermen who doesnt really care. Between the two extremes, however, is the category of the unsuccessful fisherman who doesnt know why he fails. 第11页/共19页第十一页，共20页。 While the fun-seeking fisherman is content with his day outsi

15、de and thrilled if he catches one fish a year, the successful fisherman will usually have a freezer full at home. But the third type can only brag about “the big one that got away”. Fishing, like any other activity, calls for knowledge and experience and perhaps a little luck.第12页/共19页第十二页，共20页。Usef

16、ul words and expressions 1. sentence patterns consists of comprises of may be divided into may be classified into according to on the basis of depending on第13页/共19页第十三页，共20页。 2. nouns Categories（category ktiri n. 种类(zhngli), 部属; 类目）subcategory groupssubgroup Classes subclass types divisionssubdivisi

17、on sorts kinds species第14页/共19页第十四页，共20页。 3. verbs to classifyto subclassify to divideto subdivide to group to categorize to sub categorize to sort to put into to arrange to organize第15页/共19页第十五页，共20页。Exercise: Find out the topic of the following paragraph. Tell us the way of development of the essa

18、y invited in this essay. Draw the outline of the essay.第16页/共19页第十六页，共20页。 Although most people in todays world have books, they own their books for various purposes. Generally speaking, there are three kinds of book owners. The first has all the standard sets and bestsellersunread, untouched. (This

19、 deluded individual owns woodpulp and ink, not books.) The second has a great many booksa few of them read through, most of them dipped into, but all of them as clean and shiny as the day they were bought. (This person would probably like to make books his own, but is restrained by a false respect f

20、or their physical appearance.) The third has a few books or manyevery one of them dog-eared and dilapidated, shaken and loosened by continual use, marked and scribbled in from front to back. (This man owns books.) The next time you observe people around you, you are bound to spot at least one of the

21、se three kinds of book owners. 第17页/共19页第十七页，共20页。Assignment Write about one way you might classify one of the following topics, and divide it into categories. Write an essay discussing the categories. Possible topics are as follows. cosmetics化妆品 your field of study restaurant foodsports fans carste

22、achers sports equipmentcustomers television showssupervisors监督者，管理者 musical groupsnewspapers boyfriendsgirlfriends第18页/共19页第十八页，共20页。感谢您的欣赏(xnshng)！第19页/共19页第十九页，共20页。NoImage内容(nirng)总结Division and Classification are two ways of sorting things out.。carsteachers。boyfriendsgirlfriends。感谢您的欣赏(xnshng)第二十页，共20页。