1、Unit 13 Were trying to save the earth教学设计Unit 13 Were trying to save the earth!教学设计The First Period Section A 1a2c【Teaching aims】一、听、说、读、写以下词汇及词组：litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference 二、通过学习，口、笔头掌握下列句型：1) The river used to b
2、e 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. 能听懂关于环境污染和环境保护的听力材料。 2. 能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。四、通过谈论环境污染，学生能培养自
3、己的环保意识。做到：保护环境，从我做起，从小事做起。 Difficulties：能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护。【Teaching steps】 Before listeningWarm-up and revision（课堂热身和复习）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 kind
4、s of pollution do these pictures show?教学设计说明：创设情景，导入新课。While listeningPresentation（呈现新知识）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 教学设计说明:练习本课重点短语句型，同时，对后面听力的进行预测。降低听力难度。
5、2. 听1b录音一遍，回答下面的问题：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 _ i
6、nto 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:跟读模仿，注意语音语调。5. Pair work6. Work on 1c. 根据听力材料，练习下列对话：根据1b的表格提示，和同伴分角色表演Tony和 Mark的对话。结合1a的内容，再任选一种污染表演对话。 Mark: T
7、he 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!教学设计说明:进一步启发学生思维，再次对下一段听力进行预测。7. Work on 2a.Listen to Jason and Susan talk a
8、bout pollution. Then circle the kinds of pollution that they talk about. 8. 听第二遍录音，判断下面句子的正、误。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) Th
9、ey are talking about the noise pollution. ( ) 教学设计说明:通过听模仿自主对话，进一步巩固本课功能句。8. 观察与思考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 n
10、oise pollution. 观察上面的黑体字内容，它们分别对应了几种时态或语态？1._ 2._ 3._ 4._ 5._。你能归纳出这几种时态或语态的结构吗？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. T
11、here 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. 跟读录音，注意模仿孩子们描述污染时气愤的语音与语调。 11. Work on 2c.Use the information in 2a and 2b to role-play conversations between Jason and Susan.Jason: Th
12、e 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 完成学习目标三。After listening1. Group work: 我们该如何做来减少污染？ What should we do? 1. We should take _ or _ instead of driving.2. We should also _ _ _. Its good f
13、or health!3. Bring _ to go shopping.4. Never take _ or_ when buying takeaway food.5. _ in the bins and keep public places clean and beautiful.2. 小结。教学设计说明:在会听会写的基础上，进一步提升，把本堂课的知识落实到书面上。完成学习目标四。【家庭作业】必做：把课堂上练习的关于环境污染的对话写下来。选做：小组分工合作，用课前准备的照片，选取一种或几种污染做成海报， 教学设计说明:分层布置作业，促进不同层次学生的学习积极性。Unit 13 Were tr
14、ying to save the earth!The Second Period Section A 2d / Section B 1a1d【Teaching aims】一、听、说、读、写以下词汇及短语：recycle，stop doing sth., hard to do sth., recycling paper, turn off the lights 二、通过学习，口、笔头掌握下列句型：1. Recycling paper is really easy.2. Its hard to stop riding in cars.3. We really shouldnt use paper
15、napkins, you know 三、1. 能进一步地扩展所学的内容，能用目标语言谈论如何保 护环境，从而拯救地球。 2. 能听懂2a和2b的听力内容，并完成相应的练习。四、培养学生的环保意识，环保必须从我做起，人人有责。Difficulties：用目标语言谈论如何保 护环境，从而拯救地球 【Teaching steps】 Before listeningWarm-up and revision（课堂热身和复习）3. Role-play the conversation in 2d.4. Use the information in 2d to fill in the blanks.Poll
16、utionSolution air pollutionwaste pollution5. 跟读模仿语音和语调6. Learn these useful sentences by heart. Then use them to make new sentences.What are your ideas for To cut down air pollution, we should So together, our actions can make a difference 教学设计说明：利用2d 对话，复习旧知，导入新课。While listeningPresentation（呈现新知识）9
17、. Rank these items from the easiest (1) to the most difficult (5). Then compare your answers in 1a with your partner._ stop riding in cars _ recycle books and paper_turn off the lights when you leave a room_ turn off the shower while you are washing your hair _ dont use paper napkinsA: Recycling pap
18、er is really easy.B: I agree. But its hard to stop riding in cars.教学设计说明:练习本课重点短语句型，同时，对后面听力的进行预测。降低听力难度。10. Listen and check the things that Julia and Jack talk about ._ turning off the lights _ turning off the shower_ not using paper napkins_ taking your own bags when shopping _ not riding in cars
19、_ riding a bike _ recycling paper11. Listen again. Check the things that Julia is doing now, the things she will do in the future and the things she would never do.Things Julia and Jack talk about Things Julia is doing nowThings Julia will do in the future Things Julia would never do _ turning off t
20、he lights _ turning off the shower_ not using paper napkins_ taking your own bags when shopping_ not riding in cars_ riding a bike _ recycling paper12. 13. Listen and write: 再听一遍录音，选择下面的短语，用其适当形式完成对话。14. 模仿秀:跟读模仿，注意语音语调。15. Pair work. Work on 1e. 16. Make a conversation using the information from th
21、e chart above. Say what is true for you.A: We really shouldnt use paper napkins, you know.B: I know. I stopped using them last year. 教学设计说明:通过听模仿自主对话，进一步巩固本课功能句。完成学习目标一、二。17. 跟读，模仿语音语调。9 观察与思考：通过刚才听力训练，我们来总结一下，stop作为动词，意为“_”。后面既可接动词不定式，也可以接动名词。但在意义上有区别：stop doing sth. 意为“_”, stop to do sth. 意为“_”。 当
22、我到家的时候，雨已经停了。When I got home, it had _.10. Pair workA: We really shouldnt use paper napkins, you know?B: I know. I stopped using them last year.A: We had better turn off the shower when we are washing our hair.B: I have never done that before, and I dont think I will do that in the future, either. A
23、: We should take our own bags when we go shopping.B: I agree with you. Next time I go shopping, t I will bring my own bag. 教学设计说明：通过练习，对本课的功能句进行巩固训练。完成学习目标三。After listening3. 小结。教学设计说明:在会听会写的基础上，进一步提升，把本堂课的知识落实到书面上。完成学习目标四。【家庭作业】假设你是环保小组成员，在向身边的人介绍环保的知识。请根据本课所学，列举常见污染现象及其解决办法。 Pollution:Solutions:Un
24、it 13 Were trying to save the earth!The Third Period Section A 3a3c【Teaching aims】一、听、说、读、写以下词汇：method, cruel, harmful, low, industry, law, cut off 了解明白以下词汇及短语：shark, fin, chain, ecosystem二、通过学习，口、笔头掌握下列句型：1) Many have heard of shark fin soup.2) When people catch sharks, they cut off their fins and
25、throw the shark back into the ocean.3) This method is not only cruel, but also harmful to the environment.4) If their numbers drop too low, it will bring danger to all ocean life.三、能读懂介绍关于保护鲨鱼的文章，完成相应的阅读任务，并能够正确运用连词或状语从句改写文章。 四、通过了解鲨鱼的现状，增强保护濒危动物的意识。Difficulties：正确运用连词或状语从句改写文章。 【Teaching steps】Warm
26、-up and revision（课堂热身和复习）Show some pictures of animals that are endangered on the screen. 教学设计说明：激发兴趣；激活思维。Presentation（呈现新知识）18. What do you know about sharks? Where do sharks live? _ Are they all very big? _ What do they eat? _Is the number of sharks decreasing? _ Why do people catch them? _ 2. Sk
27、imming速读文章，找出段落大意。Para 1 Bad things happen when people cut off sharks fins.Para 2 Environmental protection groups have done things to protect sharks.Para 3 Youre killing a whole shark when you enjoy a bowl of shark fin soup. 19. ScanningTask 1 Work on 3a.Read the passage about sharks and complete th
28、e fact sheet. Where shark fin soup is popularNumber of sharks caught and traded every yearHow much numbers of some kinds of sharks have fallen in the last 20 to 30 yearsTwo environmental groups against “finning”Task2 仔细阅读第二段，完成下面的句子。 Bad things happen to sharks when people cut off their fins. When p
29、eople catch sharks, they _ their fins and _ the shark _ into the ocean. Without a fin, a shark can no longer _ and slowly _. If sharks numbers _ too low, it will _ danger to all ocean life. Task 3 仔细阅读第三段，完成下面的句子。 Some things that environmental protection groups have done:They _ the public about finning. They have even as
