人教版九年級英語Unit-13-We’re-trying-to-save-the-earth-教案

1、Unit 13Were trying to save the earth!Section A(1a2d) 【教學目標】1.學生能聽懂什么是水污染、土地污染和空氣污染，引起這三種污染的因素，以及解決污染的措施。2.學生能模仿聽力原文，能運用聽力材料中的知識，口頭談論噪音污染、空氣污染、水污染、土地污染的產(chǎn)生因素及如何減少這些污染。3.學生能掌握本課重點詞匯：litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plastic。4.學生能口頭運用現(xiàn)在進行時表達環(huán)境污染的現(xiàn)狀，運用情態(tài)動詞表達應該采取的措施。【教學重難點】重點：水污染，空氣污

2、染等各種污染的產(chǎn)生因素及解決措施；cost，advantage等詞匯。難點：根據(jù)聽力材料的信息，運用現(xiàn)在進行時、情態(tài)動詞就各種污染的產(chǎn)生因素及解決措施與同伴會話。【課前準備】收集有關(guān)環(huán)境污染的資料。 教學過程設(shè)計 一、創(chuàng)設(shè)情境，切入主題Step 1：Leadin1.Ask students to enjoy a video named Gone with Home.2.After watching the video，ask students the following questions.Whats the video mainly about?How do you feel?3.Ask s

3、tudents to discuss one question with their partner：In our daily life，what kind of pollution can you think of?設(shè)計意圖：通過視頻留住美麗地球，震撼學生的心心靈，幫助學生了解環(huán)境污染及生態(tài)破壞的種種現(xiàn)象，并使他們意識到環(huán)境保護的危機感與緊迫感。同時，聯(lián)系身邊生活，結(jié)合本城市環(huán)境狀況，引導學生進一步熟悉話題。二、展開過程，探究新知Step 2：Presentation1.Ask students to look at the pictures in 1a and talk about it.

4、2.The teacher can ask students the following question: What else can cause each kind of pollution？Then ask students to do the exercise in 1a.設(shè)計意圖：讓學生對于環(huán)境污染的類型有一個初步的了解，熟悉話題，為下面的聽力活動做好內(nèi)容和詞匯上的準備。Step 3：Listening to 1bBefore listeningAsk students to predict what kind of pollution they will listen to in

5、1b.設(shè)計意圖：從內(nèi)容和語法上對聽力進行預測。While listening1.Play the recording twice for students to complete the chart.2.Ask a student to read his or her answers.3.Let students check their answers that they have predicted.設(shè)計意圖：聽這兩遍時，更加注重細節(jié)。After listening1.Read after the tape recorder and pay attention to the pronunci

6、ation and intonation.2.Ask students to practice the conversation with their partner.Then，ask students to act out the conversation.3.Ask students to make their own conversation and act out the conversation.設(shè)計意圖：聽后，再次整體回扣文本，并進行語音語調(diào)的學習。然后，通過pair work讓學生內(nèi)化聽取的信息語言。Step 4：Listening to 2aBefore listeningAs

7、k students to guess the answers.設(shè)計意圖：提高學生的興趣，并促使他們在聽的過程中有目標地集中注意力。While listeningPlay the recording for students to circle the kinds of pollution they hear.After listeningCheck the answers.Step 5：Listening to 2bBefore listening設(shè)計意圖：有推斷的預測可以幫助學生在聽錄音時更有效地捕捉關(guān)鍵詞匯。While listening1.Play the recording for

8、the first time and do the exercise in 2b.2.Play the recording again and let students correct their answers.After listening1.Let students read the conversation in 2c after the tape recorder.2.Roleplay the conversation.設(shè)計意圖：讓學生模仿錄音中的語音語調(diào)，提高口語表達能力。Step 6：Roleplay1.Read 2d and complete the chart.Problem

9、sSolutionsair pollutionwaste pollutionwooden(木頭的) chopsticks or plastic forksrubbish設(shè)計意圖：增加表格可以幫助學生梳理和識記信息，為roleplay做好準備。2.Let students read the conversation after the tape recorder.3.Ask students to practice the conversation with their partner.During the conversation，they should have eye contact.設(shè)計

10、意圖：讓學生看著同伴的眼睛，是為了讓他們體會到與人交流的真實性，而不是各讀各的語句。Step 7：Language pointsThe teacher explains the new words and expressions to students.And ask students to take notes.三、布置作業(yè)口頭作業(yè)Listen to 1b and 2b.Then recite them.書面作業(yè)1.Try to memorize the new words and language points.2.The earth is badly polluted.Please th

11、ink of what we can do to save the earth and make a poster to tell more people to save the earth. 教學小結(jié)【板書設(shè)計】Unit 13Were trying to save the earth!Section A(1a2d) Forms of pollutionCausesAir pollutionfactories，cars，burningWater pollutionfactories，rubbish，ships Land pollutionrubbish，batteries Noise poll

12、utionloud music，crowds，carsSection A(3a4c) 【教學目標】1.學生能掌握詞匯：重點詞匯(cruel，harmful，industry，law，scientific，afford)；認讀詞匯(shark，fin，chain，ecosystem，reusable，transportation)；表達方式(be harmful to，at the top of，the food chain，take part in，turn off，pay for，take action).2.引導學生談論珍稀動物瀕危的原因及拯救措施。3.幫助學生復習語法項目，包括現(xiàn)在進行時

13、、used to、被動語態(tài)、現(xiàn)在完成時、情態(tài)動詞等?！窘虒W重難點】重點：1.本課時的重點詞匯，表達方式及語法項目。2.學習鯊魚瀕危的原因及拯救措施。3.學生就珍稀動物的瀕危原因及拯救措施進行寫作。難點：1.學生正確使用連詞。2.結(jié)合實際生活就珍稀動物的瀕危原因及拯救措施進行寫作?！菊n前準備】1.搜集有關(guān)鯊魚的資料。2.制作多媒體課件和學案。3.準備其他有關(guān)珍稀動物的現(xiàn)狀及拯救措施。 教學過程設(shè)計 一、創(chuàng)設(shè)情境，切入主題 Step 1：Leadin1.The teacher can have a free talk with students about animals，especially e

14、ndangered animals.設(shè)計意圖：教師與學生自由交談，導入動物保護的話題。二、展開過程，探究新知Step 2：Prereading1.Show students a video and have a discussion.2.After watching the video，the teacher can ask the questions below.Can you say something about sharks?Do you think they are endangered?Why are they endangered?設(shè)計意圖：通過這一環(huán)節(jié)，教師在了解學情的同時，可

15、以幫助學生全面的了解鯊魚，對接下來的閱讀也會有更好的幫助。Step 3：WhilereadingFast ReadingThe teacher can ask a question like this：Do you want to know more about sharks？Please turn to Page 99.Look through the article quickly and answer the question：Where is this article probably from?A.A book.B.A novel.C.A newspaper.設(shè)計意圖：幫助學生理解文

16、章的體裁以及作者的寫作意圖。Careful Reading1.Let students read Paragraph 1 and write T for true and F for false.(1)Sharks fin(魚鰭) soup is famous and expensive all over the world.(F)(2)We have to kill a whole shark to get a bowl of sharks fin soup.(T) 設(shè)計意圖：細讀第一段，幫助學生了解鯊魚遭到獵殺的原因。2.Read Paragraph 2 and answer the qu

17、estion.What does the writer think of cutting fins of sharks?3.Read Paragraph 2 again and fill in the chart.QuestionsAnswersNumbers of sharks caught and traded every year Around 70 millionThe numbers of some kinds of sharks have fallen by in the last 20 to 30 years Over 90 percentThe teacher can ask

18、questions：Are they big numbers？Do you think sharks are really endangered？So，should we save sharks？設(shè)計意圖：學生通過回答第一個問題找出本段的主題句。再通過填表格，找出數(shù)字，這些龐大的數(shù)字更進一步讓學生體會到鯊魚銳減，瀕臨滅絕的現(xiàn)狀。4.Ask students to read the last paragraph and find out：What are the two environmental groups against“finning”？Answer：Wild Aid and the W

19、WF.How do they help to save sharks？Answer：They are teaching the public about “finning”. And they have even asked governments to develop laws to stop the sale of shark fins.設(shè)計意圖：由淺入深的閱讀任務，可以幫助學生梳理文章的脈絡(luò)。5.Read the whole passage carefully and fill in the blanks with the words in the box of 3b.設(shè)計意圖：整體閱讀

20、，幫助學生理解文本的邏輯關(guān)系，并關(guān)注細節(jié)。Step 4：Postreading1.Retell the article according to the mindmap.設(shè)計意圖：思維導圖幫助學生理清文章脈絡(luò)，也幫助學生運用閱讀過的信息復述課文。2.The teacher tells students something about other endangered animals.And let students write a short passage to save them.3.The teacher teaches students language points.Step 5：P

21、resentation1.Ask students to read the sentences in Grammar Focus and pay attention to their forms.設(shè)計意圖：學生自己朗讀，感知和思考句子的形式。2.The teacher can explain the grammar to students and help them to review.(1)現(xiàn)在進行時：Present progressive定義：表示說話時(瞬間)正在進行的動作，也表示目前或現(xiàn)階段一直進行的動作。結(jié)構(gòu)：be(am/is/are)v.ing標志詞：look，listen，now

22、，right now.e.g.Look！The boy is crying.(2)used to do與be used to doingused to do sth.表示過去常常做某事，而現(xiàn)在往往不做了，后接動詞原形。be used to doing sth.表示習慣于做某事。e.g.I used to get up at six oclock.Joe is used to drinking a cup of coffee every morning.(3)被動語態(tài)：Passive voice定義：表示主語是動作的承受者。 結(jié)構(gòu)：be過去分詞e.g.Our classroom is clean

23、ed every day.(4)現(xiàn)在完成時：Present perfect定義：表示動作已經(jīng)完成，但對現(xiàn)在造成影響；或者表示從過去某一時間開始一直延續(xù)到現(xiàn)在并還可能持續(xù)下去的動作。結(jié)構(gòu)：has/have過去分詞標志詞：already，yet，ever，never，since，for.e.g.I havent finished my homework yet.(5)情態(tài)動詞：Modal verbs1)情態(tài)動詞本身有一定的詞義，表示說話人的情緒、態(tài)度或語氣，但不能單獨作謂語，只能與其他動詞構(gòu)成謂語。常見的有：can(could)，may(might)，must，need，shall(should)

24、，will(would)等。2)情態(tài)動詞無人稱和數(shù)的變化，后接動詞原形。否定式是在情態(tài)動詞后面加not。個別情態(tài)動詞有過去式形式，可用來表達更加客氣、委婉的語氣。e.g.Ken can climb up the trees like a koala.You mustnt play with fire.It is dangerous.設(shè)計意圖：教師講解和總結(jié)語法項目，幫助學生把以前學過的語法系統(tǒng)化。Step 6：PracticeWork on 4a1.Ask two students to roleplay the conversation to check answers.2.Ask stud

25、ents to roleplay with their partner.設(shè)計意圖：學生通過做練習來鞏固所學的各種時態(tài)和句式。Work on 4b1.Ask students to fill in the blanks with the appropriate modal verbs from the box.2.Ask a student to read it to check answers.3.Ask students to read the passage.設(shè)計意圖：學生練習情態(tài)動詞的用法。Work on 4c三、布置作業(yè)口頭作業(yè)：Listen to 3a.Then recite it.

26、書面作業(yè)：1.Write an article about a kind of endangered animals to call on people to save them.2.Review the grammar that we have learned today and do exercises in your exercise book. 教學小結(jié)【板書設(shè)計】Unit 13Were trying to save the earth!Section A(3a4c)Sharks are dangerous and huge.Their teeth are sharp.New word

27、scruel 殘酷的，殘忍的be harmful to 對有害的law 法律reusable 可再次使用的Section B(1a1e) 【教學目標】1.學生能聽懂日常生活中的環(huán)保措施。2.學生能模仿聽力原文，能運用聽力材料中的知識，口頭談論在日常生活中怎樣從自我做起，注意環(huán)保。3.學生能掌握本課重點詞匯 recycle；認讀napkin；重點詞組：turn off the shower，not use paper napkins，take your own bags when shopping，not ride in cars，recycle paper，use public transpo

28、rtation等。4.學生能運用聽力材料中的信息，口頭表達在日常生活中怎樣從自我做起，注意環(huán)保?！窘虒W重難點】重點：1.聽力策略：如何集中注意力。2.日常生活中的環(huán)保措施。3.詞匯和詞組：recycle，napkin；turn off the shower，not use paper napkins，take your own bags when shopping，not ride in cars，recycle paper，use public transportation等。4.運用現(xiàn)在進行時和一般將來時與同伴就日常生活中的個人環(huán)保行為對話。難點：根據(jù)聽力材料的信息，運用現(xiàn)在進行時和一般將

29、來時與同伴就日常生活中的個人環(huán)保行為對話。 【課前準備】1.收集日常生活中有關(guān)個人的環(huán)保行為的資料。2.準備錄音機、多媒體課件、學案等。 教學過程設(shè)計 一、創(chuàng)設(shè)情境，切入主題Step 1：Leadin1.Play a video named Heal the World.2.The teacher can ask students to have a discussion in groups.In our daily life，what can we do to help save the earth?4.Ask students in each group to tell the class

30、 their measures.The teacher can write the measures down on the blackboard.設(shè)計意圖：觀看視頻，導入保護地球的話題，同時提高學生的學習興趣。聯(lián)系學生的日常生活，提高學生的環(huán)保意識和課堂參與度。二、展開過程，探究新知Step 2：Ask students what to do to save the earthBefore listeningStep 3：Work on 1a1.Ask students to rank these items from the easiest(1) to the most difficult

31、(5).2.Work on 1bLet students compare their answers in 1a with their partner and tell their reasons.設(shè)計意圖：熟悉話題和詞匯，為聽力活動做好準備。3.Ask students to read the sentences in the chart of 1c.設(shè)計意圖：讓學生理解表格中每一列的含義，注意時態(tài)。這樣能幫助他們在聽的過程中提高分辨意識。While listeningStep 4：Listening to 1c1.Play the recording for students to che

32、ck the things that Julia and Jack talk about.2.Play the recording again to ask students to correct their answers.3.Ask a student to read his or her answers.設(shè)計意圖：訓練學生聽力訓練時抓住關(guān)鍵信息的能力。Step 5：Listening to 1d1.Play the recording for students to do 1d.2.Play the recording again to ask students to correct t

33、heir answers.3.Ask a student to read his or her answers.設(shè)計意圖：1d的聽力任務，讓學生在語境中感知體驗環(huán)保措施以及不同的時態(tài)。Things Julia and Jack talk aboutThings Julia is doing nowThings Julia will do in the futureThings Julia would never do_ turning off the light_ turning off the shower_ not using paper napkins_ taking your own

34、bags when shopping_ not riding in cars_ riding a bike_ recycling paperAfter listeningStep 61.Read after the tape recorder and pay attention to the pronunciation and intonation.2.Ask students to practice the conversation with their partner.Then，ask students to act out the conversation.3.Work on 1eMak

35、e a conversation using the information from the chart above.Say what is true for you.Ask students to make their conversations and act them out.設(shè)計意圖：聽后，再次整體回扣文本，并進行語音語調(diào)的學習。然后，通過pair work讓學生內(nèi)化聽取的語言信息。三、布置作業(yè)口頭作業(yè)Listen to 1c.Then recite it.書面作業(yè)Please write a passage about what you do and what you will d

36、o to save the earth. 教學小結(jié)【板書設(shè)計】Unit 13Were trying to save the earth!Section B(1a1e)How to save the earth?Dont drop litter.Take a bus instead of driving a car.Turn off lights when we leave a room.recycle v.回收Section B(2a2e) 【教學目標】1.學生能掌握重點詞匯(gate，bottle，president，work，metal)；認讀詞匯(upside，inspiration，i

37、ron，creativity)；詞組(throw away，put sth.to good use，pull down，bring back)等。2.學生能讀懂文章，并從文中獲取詳細信息，完成閱讀任務。3.學生能夠理解Rethink，Reuse，Recycle！的環(huán)保理念，并落實到積極的行動之中。4.學生能夠根據(jù)詞根找出衍生出的不同詞匯，并理解前綴和后綴的不同用法?！窘虒W重難點】重點：1.重點詞匯(gate，bottle，president，work，meta1)；詞組(throw away，put sth.to good use，pull down，bring back)。2.學生能夠理解R

38、ethink，Reuse，Recycle！的環(huán)保理念，并落實到積極的行動之中。3.學生能夠根據(jù)詞根找出衍生出的不同詞匯，并理解前綴和后綴的不同用法。難點：學生能夠根據(jù)詞根找出衍生出的不同詞匯，并理解前綴和后綴的不同用法。【課前準備】1.搜集有關(guān)廢物再利用的資料。2.制作多媒體課件和學案。 教學過程設(shè)計 一、創(chuàng)設(shè)情境，切入主題Step 1：Leadin1.The teacher can have a free talk with students by asking some questions.二、展開過程，探究新知Step 2：PresentationAsk students whether

39、 they have seen pieces of art that are made of bottles and cans and ask them some questions.設(shè)計意圖：對易拉罐和飲料瓶的處理是學生非常熟悉的生活經(jīng)歷，以此為切入點，導入回收利用的話題，能引起學生的興趣和共鳴。PrereadingSept 3：Work on 2aMake students look at the pictures in 2b and ask some questions.Step 4：The teacher can begin to draw the mindmap.設(shè)計意圖：讀前預測，

40、為學生在接下來的閱讀中獲取文章大意作準備。思維導圖可以幫助學生理清文章脈絡(luò)。Step 5：Use pictures to teach the new words.When students think about the questions in Step 3，the teacher can write down the new words on the blackboard.And teach them the new words.設(shè)計意圖：適時呈現(xiàn)詞匯，可以減輕學生的閱讀壓力。While readingStep 6：Fast reading1.Ask students to look th

41、rough the article quickly and find out the answer to each question.How many people are mentioned in the passage?Who are they?2.The teacher adds information to the mindmap.設(shè)計意圖：掃讀整篇文章，獲取大意，幫助學生把握文章的整體性。Step 7：Careful reading(Paragraph 2)1.Ask students to read Paragraph 2 carefully and fill in the cha

42、rt.2.Check answers.3.The teacher adds the information to the mindmap.Step 8：Careful reading(Paragraph 3)1.Ask students to read Paragraph 3 carefully and fill in the chart.2.Check answers.NameWhat did she make？What materials did she use？Jessica Wongbagsold clothes，especially old jeans3.The teacher ad

43、ds the information to the mindmap.Step 9：Careful reading(Paragraph 4)1.Ask students to read Paragraph 4 carefully and fill in the chart.2.Check answers.NameWhat did he make？ What materials did he use？Wang Taobeautiful art piecesiron and other materials from old cars3.The teacher adds the information

44、 to the mindmap.設(shè)計意圖：通過細讀，讓學生獲取更詳細的信息。同時，學生更能深刻地體會到這三位環(huán)保人士的不同的創(chuàng)新精神。Step 10：Careful reading(the whole article)Ask students to read the whole article carefully and answer the questions.1.Did Amy win an award？What was it from？2.Where does Jessica Wong sell her bags? And what will she write in her book？

45、3.What does Wang Tao hope to set up? Why？設(shè)計意圖：再次細讀全文，讓學生再次回扣文本，形成篇章意識。Post readingStep 11：RetellThe teacher asks students to retell the article according to the mindmap.設(shè)計意圖：復述課文，讓學生運用從文章中獲取的語言信息。Step 12：Work on 2cAsk students to fill in the blanks with the correct forms of the phrases in the box.If

46、 they have difficulty they can discuss in groups of four.設(shè)計意圖：在閱讀后，對重點詞匯和短語進行運用，在對文本進行改寫的同時，達成知識目標。Step 13：Work on 2d1.Ask students to underline the words in the passage based on the words in 2d.2.Ask a student to read the words that he or she has found.3.Ask a question：What are the differences？And

47、divide the words into different groups.Answers：前綴：rethink，reuse，unusual后綴：useful，building，recycling，creative，creativity，recently，environmental，importance，protection，inspiration前后綴：especially4.The teacher provides some words for students to practice.詞根1(加前綴)：agree，happy，polite，possible，honest，friendl

48、y詞根2(加后綴)：care，help，home，use，hope，friend，neighbor設(shè)計意圖：引導學生總結(jié)和學習構(gòu)詞法，可以幫助學生在閱讀中猜測詞義。Step 14：Ask students to read the article and underline where they dont understand.They can discuss in groups and they can also ask the teacher for help.設(shè)計意圖：該環(huán)節(jié)引導學生注意語言的學習。Step 15：Work on 2e1.Ask students to discuss in

49、 groups the following questions and fill in the chart.Which things can be done by common people every day？Which things have to be done by governments and organizations？Common peopleGovernmentsOrganizations2.Ask several groups to give a report.設(shè)計意圖：教師讓學生對所學的保護環(huán)境的措施進行歸納和分類，培養(yǎng)學生分析問題和解決問題的能力。三、布置作業(yè)口頭作業(yè)L

50、isten to 2b.Then read it.書面作業(yè)1.Review what we have learned today.2.Make your own art pieces by reusing something，such as small boxes，plastic bottles and so on.Then write a passage about your art pieces.3.Make a survey about the environment in our city.And fill in the chart in 3a. 教學小結(jié)【板書設(shè)計】Unit 13We

51、re trying to save the earth!Section B(2a2e)words and phrases creativeput to good use upside down iron metal creativitySection B(3aSelf Check) 【教學目標】1.學生能找出本地區(qū)環(huán)境好的地方和不好的地方，并分析原因。2.學生能結(jié)合本單元的環(huán)境問題和環(huán)保措施，完成寫作任務。3.學生能夠掌握后綴構(gòu)詞法。4.學生能夠識別句子結(jié)構(gòu)，掌握現(xiàn)在進行時、現(xiàn)在完成時、被動語態(tài)、情態(tài)動詞和used to的用法。 【教學重難點】重點：1.學生能結(jié)合本單元的環(huán)境問題和環(huán)保措施，完成寫作任務。2.學生能夠掌握后綴構(gòu)詞法。3.學生能夠識別句子結(jié)構(gòu)，掌握現(xiàn)在進行時、現(xiàn)在完成時、被動語態(tài)、情態(tài)動詞和used to的用法。難點：學生能結(jié)合本單元的環(huán)境問題和環(huán)保措施，完成寫作任務?！菊n前準備】1.搜集有關(guān)本城市環(huán)境的資料；2.制作多媒體課件和學案。 教學過程設(shè)計 一、創(chuàng)設(shè)情境，切入主題Step 1：LeadinHave a free talk with students.The teacher can ask