教材章节（单元）分析与设想单元名称Unit 13 were trying to save the earth!主要内容介绍知识结构框架本单元以“环境保护”为话题，通过讨论大气污染、水污染和废弃物污染等造成的原因以及我们如何做去改善环境，着重复习时态和语态等语法知识。单元教学目标1语言知识目标基本词汇：litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,work,metal,creativity,基本词组：beharmfulto,atthetop(ofsth.),takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pulldown,bringback基本句型：Weretryingtosavetheearth!Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2.技能目标:能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。3.情感目标:有环境危机意识，学会关注环境保护环境。教学重点1、能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。2、保护环境的措施方法。教学难点能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型课时安排约需6课时课题名称Unit 13 were trying to save the earth! Section A 1a 1c小课时数第 1 课时主备教师合作教师授课类型fresh教学目标知识技能：Target language: Were trying to save the earth.People are throwing litter into the river.The river used to be so clean.Everyone should help to clean up the river.1. Grammar: Present progressive, used to, modal verbs2. Words and expressions;Curriculum words: litter, bottom, fisherman Useful expressions: be full of, putinto, throwinto, clean up, play a part in, close down 过程方法：According to designing some tasks, to train students listening ability and to train students communicative competence情感态度：Everyone should keep our rivers clean.教学重点Target Language教学难点1How to train students listening ability2 How to train students communicative competence教学准备教 学 过 程详细内容师生活动个性彰显1a. To introduce Ss to the unit goal, talk about pollution and environmental protection.Picture:The four pictures show different forms of environmental pollution. The first picture on the left shows an airplane flying over some houses. The airplane seems to be flying a quite a low altitude, so the noise level must be quite high foe the people living in these houses. This is considered noise pollution. The second picture shows some vehicles give out exhaust fumes and causing air pollution. In the third picture, we see big chimneys giving off a lo of smoke and polluting the air. The last picture shows a rubbish dump hat pollutes the environment around it.What other things cause pollution?Ask Ss to complete the activity as a class, then work in pairs to think of more words to add to the lists for each column.1b. To help Ss recognize the target language in natural speech.Everyone needs to play a part: In the conversation, the boys are talking about the river in their town being polluted by litter and industrial waste. One of them wants to write to the government about the problem, but the other boy wisely says that cleaning up the river is everyones responsibility, not just the governments. 教 学 过 程教 学 过 程详细内容师生活动个性彰显Predicting the answersSs work in pairs to predict the answers to the activity, then play the recording for Ss to fill in the gaps and review answers as a class.1c. To give Ss guided practice in using the target language to talk about pollution and environmental protection.Review of used to and should.板书设计Unit 13 were trying to save the earth! Section A 1a 1cWere trying to save the earth. (Present progressive)People are throwing litter into the river. The river used to be so clean. (Used to ) Everyone should help to clean up the river. (Modal verb)作业布置教学反思课题名称Unit 13 were trying to save the earth! Section A 2a 2d小课时数第2 课时主备教师合作教师授课类型fresh教学目标知识技能：Target language: People are throwing away things every day.People are littering in public places.To cut down air pollution, we should take the bus or subway instead of driving.Our actions can make a difference and lead to a better future.Grammar: Present progressive, modal verbsWords and expressions;Curriculum words: coal, ugly, advantage, cost, wooden, plastic, takeaway, bin, Useful expressions: throw away, in public places, get worried, cut down, lead to 过程方法：According to finish some tasks to Train students listening ability and speaking ability情感态度：We must be fully aware of the importance of reducing pollution and protecting animals教学重点Target Language教学难点How to train students listening ability教学准备教 学 过 程详细内容师生活动个性彰显2a. To give Ss practice in learning for specific information.Culture Focus: Throwaway societyIn the conversation, Susan identifies “too much rubbish and waste” as a serious environmental problem.2b. To give Ss further practi