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1、教学课题：Module 12 Save our world Unit3 项目 设计内容 备 注 课时 第 一 课时 课 型 Revision and application 教具 Multi-media 教学目标 知识与能力 To summarize and consolidate the rules of word building.过程与方法 Review the rules of word building and the use.态度与情感 To know how to protect the environment.重点 Understand the words formed by
2、word building.难点 Know about the importance of protecting our environment.教学手段方法 讲解前辍、后缀构词法，对前两单元出现的知识点和重点进行总结和归纳。教学过程 教师活动 学生活动 说明或 设计意图 Step 1 Observe the following sentecces carefully.1.Reuse means“use again”.2.Though pollution is heavy now,I dont think its hopeless.3.If the rivers are polluted,fa
3、rmers cant use the water for their crops.4.If everyone starts to do something,the world will be saved.Step 2 构词法的三种规则 1.合成法：将两个或两个以上独立且语义不同的单词合在一起独立构成新词的方法。合成名词：airport,afternoon,合成形容词：kind-hearted 合成副词：however,maybe 合成代词：himself,everyone,合成动词：overlook 2.派生法：通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法。dis-不 disagr
4、ee,dislike en-使处在某种状态 enable im-,in-:不 impossible,impatient inter-:在之间 international mis-:错误的 mislead non-:不 non-smoker,non-native re-:再，重复 rewrite,tetell un-:不 unable,unhappy 3.转换法：把一种词性转化为另一种词性而词形不变的方法。v.n.talk:谈论谈话 nv.water:水浇水 adj.n.black:黑色的黑衣服 Step 3 Make new words.Join the parts of the words
5、in Box A with the words in Box B.you need to use some of the parts more than once.careful,careless,collectable hopeful,hopeless,impossible reuse,usable,useful,useless,unusual,unwanted,wasteful Step 4 Work in groups.Play the guessing game English for Fun.1.full of care:careful 2.can be collected:coll
6、ectable 3.full of hope:hopeful 4.without any hope:hopeful 5.not possible:impossible 6.not usual:unusual 7.without any use:useless 8.use again:reuse 9.not wanted:unwanted 10.making a lot of waste:wasteful Step 5 Complete the sentences with the words in the box.1.Polluted water is _.2.It is _ to throw
7、 so much food away.3.If you look after things well,you may _ some of them later.4.It is _ to clean up the whole river in such a short time.5.If we pay attention to pollution now,the future will be _.1.healthy 2.wasteful 3.reuse 4.impossible 5.hopeful Step 6 Complete the table in Activity 3.useuseful
8、/uselessusefully hopehopeful/hopeless-hopefully pollution pollutepolluted water water wastewasteful/wasted-wastefully usualunusual usually/unusually Step 7 Complete the sentences with the correct form of the words in Activity 3.1.The factory _ the river,and the fish died.2.We often walk in the count
9、ryside.It is a(n)_ activity for us.3.Do not use so much water.It is very _.4.To keep the flowers growing,you need to _ them once a day.1.polluted 2.usual 3.usual 4.water Step 8 Complete the sentenecs in Activity 5.1.A _ is a card that you write on one side of and send to someone by post.2.A _ is a r
10、oom where you have classes at school.3.A _ is a book that has one or more stories for children.4.A _ is a black board that is used at school for writing on with chalk.1.postcard 2.classroom 3.storybook 4.blackboard Step 9 Work in pairs.Look at the pictures and answer the questions.Possible answers:1
11、.Cloth,paper,cans,plastic,glass,etc.2.Recycled paper can be used for notebooks,tickets or writing paper.3.It helps save a lot of resources and reduce greenhouse gas emissions.4.Yes.I recycled aluminum cans and Paper by selling them to the recycled factory.Step 10 Complete the conversation with the c
12、orrect form of the expressions in the box in Activity 7.1.worried about 2.throw away 3.turn off 4.are good for Step 11 Listen and check the true sentences.The true sentences:2.3.5.6.Step 12 Listen again and complete the table in Activity 9.1.glass,plastic and paper,recycle 2.Reuse,take a bag,are hard to 3.reduce pollution,4.waste electricity,5.Walk or cycle,pollution Step 13 Review:英语中常见的构词法：1.合成法 2.派生法（加前缀、后缀）3.转化法（词性变词形不变）Step 14 Homework:1.Search for more information about pollution.Make an oral presentation to your class.2.Finish the exercises in Learning English.课后反思