2019學(xué)年九年級英語上冊 Module 12 Save our world Unit 3 Language in use教案 （新版）外研版

教學(xué)課題： Module 12 Save our world Unit3項目設(shè)計內(nèi)容備 注課時第 一 課時課 型Revision andapplication教具Multi-media教學(xué)目標(biāo)知識與能力To summarize and consolidate the rules of word building.過程與方法Review the rules of word building and the use.態(tài)度與情感To know how to protect the environment.重點Understand the words formed by word building.難點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，對前兩單元出現(xiàn)的知識點和重點進行總結(jié)和歸納。教學(xué)過程教師活動學(xué)生活動說明或設(shè)計意圖Step 1Observe 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, farmers cant 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：將兩個或兩個以上獨立且語義不同的單詞合在一起獨立構(gòu)成新詞的方法。合成名詞：airport, afternoon,合成形容詞：kind-hearted合成副詞：however, maybe合成代詞：himself, everyone,合成動詞：overlook2.派生法：通過在詞根前面加前綴或在詞根后面加后綴構(gòu)成一個新詞的方法。dis- 不 disagree, dislikeen- 使處在某種狀態(tài) enableim-, in-: 不 impossible, impatientinter-: 在之間 internationalmis-: 錯誤的 misleadnon-: 不 non-smoker,non-nativere-:再，重復(fù) rewrite, tetellun-: 不 unable, unhappy3.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)撜勗抧v. water: 水澆水a(chǎn)dj. n. black: 黑色的黑衣服Step 3Make 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, collectablehopeful, hopeless, impossiblereuse, usable, useful, useless,unusual, unwanted, wastefulStep 4Work in groups.Play the guessing game English for Fun.1.full of care: careful2.can be collected: collectable3.full of hope: hopeful4.without any hope: hopeful5.not possible: impossible6. not usual: unusual7. without any use: useless8.use again: reuse9.not wanted: unwanted10.making a lot of waste: wastefulStep 5Complete the sentences with the words in the box.1. Polluted water is _.2. It is _ to throw 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.hopefulStep 6Complete the table in Activity 3.useuseful / uselessusefullyhopehopeful / hopeless-hopefullypollution pollutepollutedwater waterwastewasteful /wasted-wastefullyusualunusual usually / unusuallyStep 7Complete 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 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.usual4.waterStep 8Complete 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 school for writing on with chalk.1. postcard 2.classroom 3.storybook 4. blackboardStep 9Work 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 paper.3. It helps save a lot of resources and reduce greenhouse gas emissions.4.Yes. I recycled aluminum cans andPaper by selling them to the recycled factory.Step 10Complete the conversation with the correct form of the expressions in the box in Activity 7.1.worried about 2.throw away3.turn off4.are good forStep 11Listen and check the true sentences.The true sentences:2. 3. 5. 6.Step 12Listen again and complete the table in Activity 9.1.glass, plastic and paper, recycle2. Reuse, take a bag, are hard to3. reduce pollution, 4.waste electricity,5.Walk or cycle, pollutionStep13Review:英語中常見的構(gòu)詞法：1.合成法2.派生法（加前綴、后綴）3.轉(zhuǎn)化法（詞性變詞形不變）Step 14Homework: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