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1、教學(xué)課題： Module 12 Save our world Unit3 項(xiàng)目 設(shè)計(jì)內(nèi)容 備 注 課時(shí) 第 一 課時(shí) 課 型 Revision and application 教具 Multi-media 教學(xué)目標(biāo) 知識(shí)與能力 To summarize and consolidate the rules of word building. 過(guò)程與方法 Review the rules of word building and the use. 態(tài)度與情感 To know how to protect the environment. 重點(diǎn)

2、Understand the words formed by word building. 難點(diǎn) Know about the importance of protecting our environment. 教學(xué)手段方法 講解前輟、后綴構(gòu)詞法，對(duì)前兩單元出現(xiàn)的知識(shí)點(diǎn)和重點(diǎn)進(jìn)行總結(jié)和歸納。 教學(xué)過(guò)程 教師活動(dòng) 學(xué)生活動(dòng) 說(shuō)明或 設(shè)計(jì)意圖 Step 1 Observe the following sentecces carefully. 1. Reuse means “use again”. 2. Though poll

3、ution is heavy now, I don’t think it’s hopeless. 3. If the rivers are polluted, farmers can’t use the water for their crops. 4. If everyone starts to do something, the world will be saved. Step 2 構(gòu)詞法的三種規(guī)則 1.合成法：將兩個(gè)或兩個(gè)以上獨(dú)立且語(yǔ)義不同的單詞合在一起獨(dú)立構(gòu)成新詞的方法。 合成名詞：airport, aftern

4、oon, 合成形容詞：kind-hearted 合成副詞：however, maybe 合成代詞：himself, everyone, 合成動(dòng)詞：overlook 2.派生法：通過(guò)在詞根前面加前綴或在詞根后面加后綴構(gòu)成一個(gè)新詞的方法。 dis- 不 disagree, dislike en- 使……處在某種狀態(tài) enable im-, in-: 不 impossible, impatient inter-: 在……之間 international mis-: 錯(cuò)誤的 mislead non-: 不 non-smoker,non-native re-:再，重復(fù) rewri

5、te, tetell un-: 不 unable, unhappy 3.轉(zhuǎn)換法：把一種詞性轉(zhuǎn)化為另一種詞性而詞形不變的方法。 v.→ n. talk: 談?wù)摗勗? n→v. water: 水→澆水 adj.→ n. black: 黑色的→黑衣服 Step 3 Make new words. Join the parts of the words in Box A with the words in Box B. you need to use some of the parts more than once. careful, careless, colle

6、ctable 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: collectable 3.full of hope: hopeful 4.without any hope: hopeful 5.not possible: impos

7、sible 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 so much food away. 3

8、. 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

9、 in Activity 3. use—useful / useless—usefully hope—hopeful / hopeless-hopefully pollution – pollute—polluted water –water waste—wasteful /wasted-wastefully usual—unusual – usually / unusually Step 7 Complete the sentences with the correct form of the words in Activity 3. 1. Th

10、e factory ________ the river, and the fish died. 2. We often walk in the countryside. 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 Comple

11、te 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 room 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

12、 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.Cloth, paper, cans, plastic, glass,etc. 2. Recycled paper can be used for notebooks, tickets or writing p

13、aper. 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 correct form of the expressions in the box in Activity 7. 1.worried about 2.throw a

14、way 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: 英語(yǔ)中常見(jiàn)的構(gòu)詞法： 1.合成法 2.派生法（加前綴、后綴） 3.轉(zhuǎn)化法（詞性變?cè)~形不變） Step 14 Homework: 1. Search for more information about pollution. Make an oral presentation to your class. 2. Finish the exercises in Learning English. 課后反思 5