Unit2Growingpains

1、Un it 3 Tomorrow's world课堂设计指导思想：本节课是以读、写为主的词汇教学课。内容包括用名词或动词加上后缀构成抽象名词， 以及与电脑相关的词汇等。学习一定的构词法知识，可以有效地拓展学生的词汇量。通过构词法教授词汇，不仅可以使学生利用较少的时间掌握较多的词汇，而且还可以使学生通过对词缀的了解来猜测词义，从而扩大词汇量。本课主要通过引导学生自行归纳抽象名词的构成规律的方法进行教学，不仅有助于增加学生的词汇量，而且可以使学生初步形成自己的词汇认知策略，学会根据词根及后缀来猜测词义。Teach ing aims:1. Lear n how to form abstrac

2、t nouns from verbs and adjectives by addi ngsuffixes.2. Lear n some words related to computers.3. Expa nd related vocabulary and apply them practically.Teach ing procedures:Step 1 RevisionHelp stude nts revise the com mon suffix used to form adjectives lear nt inUn it 1 using the follow ing chart an

3、d ask stude nts to give more examples.Suffix Meaning Examples(adjectives)-ical hav ing the quality of medical, electrical, grammatical, practical-able havi ng the ability of believable, acceptable, reas on able, enjoyable-ous like, full of adve nturous, dan gerous, prosperous, con scious-ful charact

4、erized by joyful, helpful, useful, mouthful, han dful-less without useless, careless, helpless, hopeless, cloudless【设计说明】复习以前所学的构词法知识，激活学生对后缀的相关记忆，以旧带新，有助于提高学习效率。Step 2 Lead-i n1. Ask stude nts to compare the follow ing two groups of words.Group 1: house, milk, driver, dog, paperGroup 2: revisi on,

5、preparati on, decisi on, differe nee, arran geme ntAsk stude nts to con sider the follow ing questi ons:(1) Which part of speech is each of the followi ng words?(2) What are the similarities and the differe nces betwee n the two groups?An swers(1) They are all nouns.(2) The words in Group 1 refer to

6、 physical things and those in Group 2 refer to ideas, acti ons and qualities.2. Tell stude nts that the nouns in Group 2 are called abstract nouns. Ask stude nts to read the defi niti on of abstract nouns on page 46.3. Ask stude nts to think of more abstract nouns. And show them thefollowi ng words

7、as examples:revisi on, directi on, decisi on, preparatio n, satisfacti on, argume nt, judgeme nt, disappo in tme nt, exciteme nt, civilizati on, depe ndence, differe nee, assista nee, pleasure, loyalty, cruelty, action, failure, careless ness, happ in ess【设计说明】通过分析、对比，弓I导学生自己发现抽象名词的特点，即不可为人的五 官感知。随后

8、在明确抽象名词的定义后，用实例加深学生的印象。Step 3 Ways to form abstract nouns from verbs and adjectives1. Ask stude nts to categorize the words on the black board accord ing to the suffixes. Then ask stude nts to see what words they are and which part of speech they are if the suffixes are removed using the followi ng

9、form. Nouns Origi nal words Part of speech Suffixrevisi on revise verb -sio n decisi on decide verb -si on preparati on prepare verb -ti on satisfact ion satisfy verb -ti on argume nt argue verb -me nt judgeme nt judge verb -me nt depe ndence depe nd verb -ence assista nee assist verb -ence differe

10、nee differ verb -ence pleasure please verb -ure failure fail verb -ure careless ness careless adjective -n ess happ in ess happy adjective -n ess civilizati on civil adjective -tio n loyalty loyal adjective -ty cruelty, cruel adjective -ty2. Ask stude nts to read the in struct ions on page 46. Ask t

11、hem to comparethe words on the scree n with the words in the tables.3. Tell stude nts that most abstract nouns are uncoun table, only a few ofthem are coun table. Ask them to read the follow ing examples:hope t a hope; idea an idea; situationa situation; knowledgeakno wledge of4. Ask stude nts to do

12、 the exercise on page 46 in dividually.An swers(1) developmemt (2) popularity (3) failure (4) connection(5) improveme nts(6) prese ntati on(7) achieveme nt(8) admirati on【设计说明】鼓励学生自己进行归纳、整理，得出动词或形容词后加后缀构成名词的 规律，最后以填空练习巩固所学内容。Step 4 Words related to computers1. Ask stude nts to read carefully the pic

13、ture on page 47 and ask stude ntsto an swer the follow ing questi ons:(1) Can you n ame the differe nt parts of the computer?(2) Can you describe their fun cti ons?An swersPart Functionfloppy disc a flat piece of plastic for stori ng in formati onUSB disc a portable, pocket-sized disk that can store

14、 a lot morein formatio n tha n a floppy diskCD-ROM/DVD-ROM a CD or a DVD on which large amounts of in formatio n, sound and pictures can be stored keyboard a set of keys for typingprin ter a mach ine that puts the words and pictures onto papermouse a small device moved by hand to move the cursor on

15、a computerscree nmouse mat a small square of plastic that is the best kind of surface onwhich to use a computer mousehard drive a disk that can store more in formatio n tha n a floppy or USBdiskmon itor/LCD Mon itor a scree n that shows in formatio n from a computerscree n/LCD scree n a part where y

16、ou see the words and picturesspeaker a part of the computer where the sound comes out2. Ask stude nts to read the in struct ions and complete the exercises on page 47.An swers(1) keyboard (2) mouse (3) data (4) floppy disks CD-ROMs CPU(7) conn ect (8) e-mails(9) in formatio n (10) Web【设计说明】通过图片，帮助学生学习电脑各部件的名称及相关作