九年級英語全冊 Unit 8 We’re trying to save the earth The First Period教案 魯教版五四制.doc

Unit 8 Were trying to save the earth!The First Period Section A 1a2c【Teaching aims】 一、聽、說、讀、寫以下詞匯及詞組：litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference 二、通過學(xué)習(xí)，口、筆頭掌握下列句型：1) The river used to be so clean.2) People are throwing litter into the river.3) It has always been the nicest river in this town.4) We should write to the government.5) I think one problem is that the air is badly polluted. 三、1. 能聽懂關(guān)于環(huán)境污染和環(huán)境保護(hù)的聽力材料。 2. 能正確運(yùn)用現(xiàn)在進(jìn)行時態(tài)，used to結(jié)構(gòu)，現(xiàn)在完成時態(tài)， 被動語態(tài)和情態(tài)動詞談?wù)摥h(huán)境污染和環(huán)境保護(hù)。四、通過談?wù)摥h(huán)境污染，學(xué)生能培養(yǎng)自己的環(huán)保意識。做到：保護(hù)環(huán)境，從我做起，從小事做起。 Difficulties：能正確運(yùn)用現(xiàn)在進(jìn)行時態(tài)，used to結(jié)構(gòu)，現(xiàn)在完成時態(tài)， 被動語態(tài)和情態(tài)動詞談?wù)摥h(huán)境污染和環(huán)境保護(hù)?！綯eaching steps】 Before listeningWarm-up and revision（課堂熱身和復(fù)習(xí)）1. Have Ss watch the video and discuss:What is the video about? 2. Look at the pictures and answer the question: What are they about? How many kinds of pollution do these pictures show?教學(xué)設(shè)計(jì)說明：創(chuàng)設(shè)情景，導(dǎo)入新課。While listeningPresentation（呈現(xiàn)新知識）1. Group work.The air isnt clear There are more and more cars and factories We should There are all kinds of noises in our lives.People have more modern machines.We should 教學(xué)設(shè)計(jì)說明:練習(xí)本課重點(diǎn)短語句型，同時，對后面聽力的進(jìn)行預(yù)測。降低聽力難度。2. 聽1b錄音一遍，回答下面的問題：What kind of pollution are Tony and Mark talking about? _ 3. Work on 1b. Listen and complete the sentences.What was the problem?The river was _. Even the bottom of the river was full of _. There were no more _ for fisherman to catch .What caused the problem?People are throwing _ into the river.Factories are putting _ into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _ the river.4. 模仿秀:跟讀模仿，注意語音語調(diào)。5. Pair workWork on 1c. 根據(jù)聽力材料，練習(xí)下列對話：根據(jù)1b的表格提示，和同伴分角色表演Tony和 Mark的對話。結(jié)合1a的內(nèi)容，再任選一種污染表演對話。 Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!教學(xué)設(shè)計(jì)說明:進(jìn)一步啟發(fā)學(xué)生思維，再次對下一段聽力進(jìn)行預(yù)測。6. Work on 2a.Listen to Jason and Susan talk about pollution. Then circle the kinds of pollution that they talk about. 7. 聽第二遍錄音，判斷下面句子的正、誤。1) Jason thinks that the air is badly polluted. ( )2) Susan used to see the mountains clearly. ( )3) People are also littering in public places. ( ) 4) They think that they can do nothing to help. ( ) 5) They are talking about the noise pollution. ( ) 教學(xué)設(shè)計(jì)說明:通過聽模仿自主對話，進(jìn)一步鞏固本課功能句。8. 觀察與思考1) Jason thinks that the air is badly polluted. 2) Susan used to see the mountains clearly. 3) People are also littering in public places. 4) They think that they can do nothing to help. 5) They are talking about the noise pollution. 觀察上面的黑體字內(nèi)容，它們分別對應(yīng)了幾種時態(tài)或語態(tài)？1._ 2._ 3._ 4._ 5._。你能歸納出這幾種時態(tài)或語態(tài)的結(jié)構(gòu)嗎？1._ 2._ 3._ 4._ 5._。 9. Work on 2b.Listen again and complete the sentences.1. The air is badly polluted because there are _ on the road these days.2. Factories that burn coal also _ the air with a lot of black smoke.3. There is also too much rubbish and waste. People _ things every day.4. People are also littering in _ like parks. This is turning beautiful places into ugly ones.10. 跟讀錄音，注意模仿孩子們描述污染時氣憤的語音與語調(diào)。 11. Work on 2c.Use the information in 2a and 2b to role-play conversations between Jason and Susan.Jason: The air has become really polluted around here. Im getting very worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is that 完成學(xué)習(xí)目標(biāo)三。After listening1. Group work: 我們該如何做來減少污染？ What should we do? 1. We should take _ or _ instead of driving.2. We should also _ _ _. Its good for health!3. Bring _ to go shopping.4. Never take _ or_ when buying takeaway food.5. _ in the