英语人教版九年级全册Unit 13 section B .doc

Unit 2 Saving the EarthTopic 2 All these problems are very serious主备人 审核 初三英语备课组 复备人：_时间：_课时安排4 课时教学三维目标. 知识与能力目标1. Master some new words and useful expressions：sand, although, sandstorm, desert, human being, reduce, completely, change into, stop from, blow/ wash away, as a result2. Sentences: A lot of water can be saved by forests.Although we have built “The Green Great Wall”, we still need to do something to protect the environment.3. Grammar: Indefinite pronoun and adverb.过程与方法通过引导学生在听前阅读1b和3，培养学生形成听前熟悉、预测听力材料的学习习惯。通过3中的插图预测并描述新话题，培养学生的逻辑推理能力。. III.情感态度与价值观让学生了解环境污染的严峻形势，引导学生爱护大自然，爱护花草树木，树立绿色环保意识。教材分析1.重点some new words and useful phrases; the indefinite pronoun and adverb2.难点 根据图片和信息提示词描述沙尘暴形成的过程 3.教法 listening, speaking and discussing 4.教具multimedia课时安排The First PeriodSection AThe main activities1a,3,4Teaching procedureStep 1 Review Show some pictures to talk about the pollutions and the harm to the environment.Step 2 Presentation1. Play a short video about a sandstorm and let Ss guess what kind of weather it is.2.Show some pictures to talk about how the desert come into being, learn the new words and finish3,then lead to 1a.Step 3 Consolidation1 Present the picture in 1a. Let the Ss listen to 1a once and do 1b alone.2 Let the Ss listen to 1a again and complete the functions of trees in 1c.3 Let the Ss read 1a in groups and then role play it.4 Let the Ss read again and find the important phrases in 1a. Then write them down on the Bb，then explain the language points.5 Lead the Ss to complete the sentences with the correct forms of the given phrases in the box in 2.6. Lead the Ss to look at the phrases. Listen to the passage and circle the phrases you hear. Then listen twice to complete the sentences. Finish 4.Step 4 PracticeDo the exercises:1._Liang Li is very busy,she always helps others. A.But B.AndC.Although D.Because 2.A lot of rich land has changed into desert, leaving only _ (沙子).3.森林有利于防止水土流失。 Forests help to keep water _ _ the earth away.4.大量良田变成荒漠。 A lot of rich land has _ into desert.5.我们应该尽一切努力保护环境。 We should do _ _ to protect the environment.Step 5 Project1: Sum up what they have learnt in this class.2: HMK: Write a short passage about how sandstorm comes into being.板书设计：All these problems are very serious. Section Achange intostop fromblow/ wash awayhuman beingas a resultsand / sandstormalthoughdesertreducecompletely教学后记：The Second PeriodSection B教学三维目标. 知识与能力目标1.Master some new words and useful expressions：none, user, spit rubbish, wild, nobody, worst, situation, punish, perhaps, everybody, , untidy, rude, behavior, nowhereSomething useful/ important, none of us, here and there, in public, care for/ look after /take care of, worst of all2.Sentences: 1).But the government is doing something useful to protect the environment.2).None of us likes pollution. 3).Dont spit anywhere in public.4).Everyone should care for wild animals and plant more trees.5).We should do everything we can to protect the environment.3. Grammar: Indefinite pronoun and adverb.过程与方法通过1b，教会学生将听到的内容转换成图片信息。通过2和3，训练学生在不同的语境中运用不定代词和副词。通过要求学生掌握弱读和连读的发音技巧，反思自己的发音中的问题。. 情感态度与价值观引导学生关注身边的环境问题，树立绿色环保意识。做到“保护环境从我做起，从小事做起”。教材分析1.重点some new words and useful phrases; the indefinite pronoun and adverb2.难点 熟练地表达责备和抱怨的情绪，并提出保护环境的建议。能在不同语境中，正确使用不定代词和不定副词。 3.教法 listening, speaking and discussing 4.教具multimediaThe main activities1a,2Teaching procedureStep 1 Review 1. Let the Ss watch the vedio of air pollution .2. Show some pictures about air pollution and talk about what we can do to protect our environment?Step 2 Presentation1 Show the picture in 1a and lead the Ss to the new lesson. Teach the new words: user, spit, none, rubbish, wild,2 Listen to the recording and answer the questions:(1) Whats the article about?(2) What should we do and not do to protect the environment? Step 3 Consolidation1 Guide the Ss to listen to 1a and finish 1b.2 Get the Ss to listen to 1a again and complete the table in 1c.3 Let the Ss read 1a in roles, and then act the dialog out.4 Let the Ss read 1a carefully and underline the difficult points including words, phrases and sentences. Write down the key points on the Bb.一些有用的东西 到处在公众场所 关心野生动物 废纸最糟糕的是 制定规则遵守规则Step 4 Practice1. Finish 2.Listen and fill in the blanks.Learn the usage of indefinite pronoun and adverb.2 Finish 3 according to the given sentences. Then read the sentences together. Pay attention to the weak form, liaison and intonation.3.Do the exercises: .Fill in the blanks.1) As we know, _ (无一人) of us likes pollution.2) 不要到处吐痰。3) Dont _ _ and _.4) Dont throw the _(垃圾)in the street, we should keep the street clean. 5) Toms mother _(惩罚)him, because he didnt pass the exam.Choose the best answers( )1.Would you like to have _?No, thank you. Ive had enough.A.anything more B.something moreC.more anything D.more something( )2.The Green Great Wall can stop the wind_ blowing the earth away.A.to B.from C.of D.with( )3.This washing machine is very difficult to use. _ can learn to use it in a very short time.A.Somebody B.AnyoneC.NobodyD.Everyone( )4.Hi, Bob! I cant find my story book. Have you seen it?Sorry, I havent. Why not ask Jim? Perhaps hes seen it _.A.anywhere B.everywhere C.nowhere D.somewhere( )5.The cleaners must keep the street _.A.from getting dirty B.to dirtyC.to get dirty D.getting dirty Step 5 Project1 Let the Ss go over what they have learned this period. Sum up the key points.2 HMK: Let the Ss talk about their bad habits at school and find the solutions. Then write a short passage according to their discussion.板书设计：All these problems are very serious.Section BIndefinite pronoun and adverb: something / anything / everything / nothing someone/ anyone / everyone / no one nonesomebody/ anybody / everybody / nobody somewhere / anywhere / everywhere / nowhere教学后记：The Third PeriodSection C教学三维目标. 知识与能力目标1.Master some new words and useful expressions：hole, form, rise, oxygen, ozone layer, radiation, directly, carbon dioxide, blanket, escape, the greenhouse effect, referduring this period, take away, pass through2.Sentences:(1) Forests have become deserts, so more and more sorts of animals and plants are disappearing.(2) As a result, many rivers and lakes are now dead.(3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.(4) It causes the level of the oceans to rise and the climate of the earth to change.(5) When it rains or when the wind blows, the earth is taken away.(6) The heat from the sun cant escape, so the temperature is rising.3. Grammar: Indefinite pronoun and adverb.过程与方法掌握本课的重点词汇和短语，初步感知定语从句。进一步学习各种污染对地球造成的危害和造成这些污染的原因。III.情感态度与价值观通过学习，了解环境现状，帮助学生树立绿色环保意识。教材分析1.重点some new words and useful phrases;the indefinite pronoun and adverb2.难点 熟练地表达责备和抱怨的情绪，并提出保护环境的建议。能在不同语境中，正确使用不定代词和不定副词。 3.教法 listening, speaking and discussing 4.教具multimediaThe main activities1a,Teaching procedureStep 1 Review 1. Fill in the blanks using something, anything, others, nobody, everyone, anybody, everywhere, none, other.(1)_ of us knows how to stop the bad behavior.(2) I knocked on the door but _ answered.(3) Some of these books are better than_.(4) She was driving the car with one hand and wiping the window with the _.(5) They are beautiful but I am looking for _ useful.(6) Is there _ you can do to help her?(7) Therere 5 000 people living here and almost _has his/her own car.(8) Hes cleverer than _ I know.(9) Ive looked _ but I cant find it. 2.Check the Ss homework:Let the Ss give a report about their own bad habits and how to make the campus better.Step 2 PresentationPre-reading1. Play the flash about protecting the ozone layer. Let the Ss watch and discuss what they have learnt from it. Take some notes if necessary.2 Guide the Ss to predict the main idea of the passage by the given pictures.While-reading1 Show two pictures of ozone layer and more carbon dioxide. Introduce them to the Ss briefly to teach the new words. 2 Lead the Ss to read paragraph 1, 5 and 6, find the words in Exercise 2, 3 and 4 and guess the meanings of them according to the content. 3 Let the Ss read 1a carefully, choose the best title for the passage and finish 5 in 1b. Then complete the notes in 1c according to 1a.Step 3 ConsolidationPost-reading1 Let the Ss read 1a carefully, find out the difficult points, and list them on the Bb.在地球上 在世界上在地球周围 对很重要通过 来自太阳的热引起上升/改变 上网注意2 Guide the Ss to retell the passage according to the first paragraph, last paragraph and the notes in 1c.Step 4 PracticeDo the exercises1.When the sun _(上升), everything is bright.2. First you must dig a _(洞) before planting a tree.3.温室效应使地球变暖。_ _ _makes the earth warm.Step 5 Project1 Let the Ss summarize what they have learned in class.2 HMK: Let the Ss search the Internet for more information about environmental problems and effects. Discuss the information in groups and take notes. Then write a passage according to their notes and 1c.板书设计：All these problems are very serious.Section Ctake away,carbon dioxide,blanket, escape,during this period,pass through,the greenhouse effectholeformriseoxygenozone layerrefer toradiation教学后记：The Third PeriodSection D教学三维目标. 知识与能力目标1.Master some new words and useful expressions：avoid, discover, thirsty, nearly, law, shortage, resource, reuse,take sth. away from, the shortage of water / water shortage, avoid (doing) sth., make progress in, nearly 3/4 of2.Sentences: (1)But peoples need for water is increasing day by day. (2)While nearly of the earth is covered with water, we are still short of drinking water.3. Grammar: Indefinite pronoun and adverb.过程与方法1.通过对Sections A-C的复习，总结重点语法和功能用语，学会归纳和总结。2.通过完成任务1b，培养学生通过wh-questions(如：what，why等)理解短文的能力。3.通过3部分的写作训练，培养学生学习自我检测和评价的策略。4.通过制作海报，拓展学用渠道。III.情感态度与价值观关注自然资源的现状，倡导学生保护环境，节约用水。教材分析1.重点some new words and useful phrases; the indefinite pronoun and adverb2.难点 学会归纳话题中的重点语法和表达法。3.教法 listening, speaking and discussing 4.教具multimediaThe main activities1aTeaching procedureStep 1 Review Greet and lead the Ss to finish Grammar and Functions in Section D as quickly as they can. Check the answers Step 2 Presentation1.Pre-readingPresent some pictures of water resources and make a brief introduction about them. Teach the new words. 2.While-reading1） First-reading.Get the Ss to read 1a and put the paragraphs in the correct order.2） Second-reading.Get the Ss to read the passage again and answer the questions 1-3 in 1b.Step 3 ConsolidationPost-reading1 Guide the Ss to talk about Question 4 in 1b in pairs.2 Read the passage again and find out the new words and phrases:大量 从拿走在这个领域里 一天天覆盖着 缺少淡水 立法禁止把分成 作报告照顾Step 4 Practice1. Guide the Ss to write a proposal about saving water. Try to use the model in 3 and what they have learned in 1a. Then make a report to the class.2. Do the exercises:Choose the best answers1). Which would you like to drink, tea or coffee? _, thanks. Im not thirsty. A. EitherB. NeitherC. LittleD. Few2). The students are doing some cleaning. Some are sweeping the floor, _ are cleaning the desks and chairs. A. otherB. the otherC. another