[精選]人教版九年級(jí)英語(yǔ)Unit13We’retryingtosavetheearth教案--資料

1、Unit 13Were trying to save the earth!Section A( 1a 2d)【教學(xué)目標(biāo)】1. 學(xué)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(xué)生能模仿聽力原文，能運(yùn)用聽力材料中的知識(shí)， 口頭談?wù)撛胍粑廴?、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(xué)生能掌握本課重點(diǎn)詞匯：litter ，bottom， fisherman ， coal， ugly ， advantage，cost， wooden， plastic。4.學(xué)生能口頭運(yùn)用現(xiàn)在進(jìn)行時(shí)表達(dá)環(huán)境污染的現(xiàn)狀，運(yùn)用情態(tài)動(dòng)詞表達(dá)應(yīng)該采取的措施。教學(xué)過程

2、設(shè)計(jì)一、創(chuàng)設(shè)情境，切入主題Step 1： Lead- in【教學(xué)重難點(diǎn)】重點(diǎn)： 水污染，空氣污染等各種污染的產(chǎn)生因素及解決措施；cost， advantage 等詞匯。難點(diǎn)： 根據(jù)聽力材料的信息，運(yùn)用現(xiàn)在進(jìn)行時(shí)、情態(tài)動(dòng)詞就各種污染的產(chǎn)生因素及解決措施與同伴會(huì)話?！菊n前準(zhǔn)備】收集有關(guān)環(huán)境污染的資料。1. Ask students to enjoy a video named Gone with Home.2. After watching the video ， ask students the following questions. What s the video mainly about

3、?How do you feel?3. Ask students to discuss one question with their partner ：In our daily life ， what kind of pollution can you think of?設(shè)計(jì)意圖： 通過視頻 留住美麗地球 ，震撼學(xué)生的心心靈，幫助學(xué)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(shí)到環(huán)境保護(hù)的危機(jī)感與緊迫感。同時(shí)，聯(lián)系身邊生活，結(jié)合本城市環(huán)境狀況，引導(dǎo)學(xué)生進(jìn)一步熟悉話題。二、展開過程，探究新知Step 2： Presentation1.Ask students to look at the p

4、ictures in 1a and talk about it.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(jì)意圖： 讓學(xué)生對(duì)于環(huán)境污染的類型有一個(gè)初步的了解，熟悉話題，為下面的聽力活動(dòng)做好內(nèi)容和詞匯上的準(zhǔn)備。Step 3： Listening to 1bBefore listeningAsk students to predict what kind

5、of pollution they will listen to in 1b.設(shè)計(jì)意圖： 從內(nèi)容和語(yǔ)法上對(duì)聽力進(jìn)行預(yù)測(cè)。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(jì)意圖： 聽這兩遍時(shí)，更加注重細(xì)節(jié)。After listening1.Read after the tape reco

6、rder 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.Ask students to make their own conversation and act out the conversation.設(shè)計(jì)意圖： 聽后，再次整體回扣文本，并進(jìn)行語(yǔ)音語(yǔ)調(diào)的學(xué)習(xí)。然后，通過pair work 讓學(xué)生內(nèi)化聽取的信息語(yǔ)

7、言。Step 4： Listening to 2aBefore listeningAsk students to guess the answers.設(shè)計(jì)意圖： 提高學(xué)生的興趣，并促使他們?cè)诼牭倪^程中有目標(biāo)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(jì)意圖： 有推斷的預(yù)測(cè)可以幫助學(xué)生在聽錄音時(shí)更有效地捕

8、捉關(guān)鍵詞匯。While listening1.Play the recording for 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.Role- play the conversation.設(shè)計(jì)意圖： 讓學(xué)生模仿錄音中的語(yǔ)音語(yǔ)調(diào)，提高口語(yǔ)表達(dá)能力。Step 6

9、：Role-play1.Read 2d and complete the chart.ProblemsSolutionsair pollutionwaste pollutionwooden(木頭的 ) chopsticks or plastic forksrubbish設(shè)計(jì)意圖： 增加表格可以幫助學(xué)生梳理和識(shí)記信息，為role- play 做好準(zhǔn)備。2.Let students read the conversation after the tape recorder.3.Ask students to practice the conversation with their partner.

10、During the conversation ， they should have eye contact.設(shè)計(jì)意圖： 讓學(xué)生看著同伴的眼睛，是為了讓他們體會(huì)到與人交流的真實(shí)性，而不是各讀各的語(yǔ)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

11、and language points.2.The earth is badly polluted.Please think of what we can do to save the earth and make a poster to tell more people to save the earth.教學(xué)小結(jié)【板書設(shè)計(jì)】Unit 13We re trying to save the earth!Section A(1a 2d)Waterfactories， rubbish，F(xiàn)orms ofpollutionshipsCausesLandpollutionrubbish ， batter

12、iesfactories， cars，pollutionAir pollutionNoiseloud music ， crowds，burningpollutioncarsSection A(3a 4c)【教學(xué)目標(biāo)】1. 學(xué)生能掌握詞匯：重點(diǎn)詞匯(cruel ，harmful ，industry ， law， scientific ， afford) ；認(rèn)讀詞匯 (shark ， fin ， chain ， ecosystem，reusable，transportation)；表達(dá)方式 (be harmful to，at the top of ，the food chain ， take pa

13、rt in， turn off ， pay for ， take action).2.引導(dǎo)學(xué)生談?wù)撜湎?dòng)物瀕危的原因及拯救措施。3.幫助學(xué)生復(fù)習(xí)語(yǔ)法項(xiàng)目，包括現(xiàn)在進(jìn)行時(shí)、 used to、被動(dòng)語(yǔ)態(tài)、現(xiàn)在完成時(shí)、情態(tài)動(dòng)詞等?！窘虒W(xué)重難點(diǎn)】重點(diǎn)： 1.本課時(shí)的重點(diǎn)詞匯，表達(dá)方式及語(yǔ)法項(xiàng)目。2.學(xué)習(xí)鯊魚瀕危的原因及拯救措施。3.學(xué)生就珍稀動(dòng)物的瀕危原因及拯救措施進(jìn)行寫作。難點(diǎn)： 1.學(xué)生正確使用連詞。2.結(jié)合實(shí)際生活就珍稀動(dòng)物的瀕危原因及拯救措施進(jìn)行寫作?！菊n前準(zhǔn)備】1.搜集有關(guān)鯊魚的資料。2.制作多媒體課件和學(xué)案。3.準(zhǔn)備其他有關(guān)珍稀動(dòng)物的現(xiàn)狀及拯救措施。教學(xué)過程設(shè)計(jì)一、創(chuàng)設(shè)情境，切入主題Step

14、 1： Lead- in1.The teacher can have a free talk with students about animals ， especially endangered animals.設(shè)計(jì)意圖： 教師與學(xué)生自由交談，導(dǎo)入動(dòng)物保護(hù)的話題。二、展開過程，探究新知Step 2： Pre-reading1.Show students a video and have a discussion.2.After watching the video ， the teacher can ask the questions below.Can you say something

15、about sharks?Do you think they are endangered?Why are they endangered?設(shè)計(jì)意圖： 通過這一環(huán)節(jié)，教師在了解學(xué)情的同時(shí)，可以幫助學(xué)生全面的了解鯊魚，對(duì)接下來的閱讀也會(huì)有更好的幫助。Step 3： While- readingFast ReadingThe teacher can ask a question like this ： Do you want to know more about sharks ？Please turn toPage 99.Look through the article quickly and a

16、nswer the question：Where is this article probably from?A.A book.B.A novel.C.A newspaper.設(shè)計(jì)意圖： 幫助學(xué)生理解文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)Shark s 魚fin(鰭 ) soup is famous and expensive all over the world.(F)(2)We have to kill a whole sha

17、rk to get abowl of shark s fin soup.(T)設(shè)計(jì)意圖： 細(xì)讀第一段，幫助學(xué)生了解鯊魚遭到獵殺的原因。2.Read Paragraph 2 and answer the question.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 yearAround 70 millionThe numbers

18、 of some kinds of sharks have fallen by in the last 20 toOver 90 percent30 yearsThe teacher can ask questions： Are they big numbers ？ Do you think sharks are really endangered？So， should we save sharks？設(shè)計(jì)意圖： 學(xué)生通過回答第一個(gè)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(jìn)一步讓學(xué)生體會(huì)到鯊魚銳減，瀕臨滅絕的現(xiàn)狀。4.Ask students to read the las

19、t paragraph and find out ：What are the two environmental groups against？ “ finning”Answer ：Wild Aid and the WWF.How do they help to save sharks ？Answer ：They are teaching the public about“ finning” . And they have even asked governments todevelop laws to stop the sale of shark fins.設(shè)計(jì)意圖： 由淺入深的閱讀任務(wù)，可

20、以幫助學(xué)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(jì)意圖： 整體閱讀，幫助學(xué)生理解文本的邏輯關(guān)系，并關(guān)注細(xì)節(jié)。Step 4： Post-reading1.Retell the article according to the mind- map.設(shè)計(jì)意圖： 思維導(dǎo)圖幫助學(xué)生理清文章脈絡(luò)，也幫助學(xué)生運(yùn)用閱讀過的信息復(fù)述課文。2.The teacher tells students something about other endanger

21、ed animals.And let students write a short passage to save them.3.The teacher teaches students language points.Step 5： Presentation1.Ask students to read the sentences in Grammar Focus and pay attention to their forms.設(shè)計(jì)意圖： 學(xué)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

22、them to review.(1)現(xiàn)在進(jìn)行時(shí)：Present progressive定義： 表示說話時(shí) (瞬間 )正在進(jìn)行的動(dòng)作，也表示目前或現(xiàn)階段一直進(jìn)行的動(dòng)作。結(jié)構(gòu)： be(am/is/are) v.-ing標(biāo)志詞： look ， listen， now， right now.！ 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(dòng)詞原形。be used to doing sth.表示習(xí)慣于做某事。 clock.Joe is used to drinking a cu

23、p of coffee every morning.(3)被動(dòng)語(yǔ)態(tài)： Passive voice定義： 表示主語(yǔ)是動(dòng)作的承受者。結(jié)構(gòu)： be過去分詞(4)現(xiàn)在完成時(shí)：Present perfect定義： 表示動(dòng)作已經(jīng)完成，但對(duì)現(xiàn)在造成影響；或者表示從過去某一時(shí)間開始一直延續(xù)到現(xiàn)在并還可能持續(xù)下去的動(dòng)作。結(jié)構(gòu)： has/have過去分詞標(biāo)志詞： already， yet， ever， never， since， for. t finished my homework yet.(5)情態(tài)動(dòng)詞： Modal verbs1)情態(tài)動(dòng)詞本身有一定的詞義，表示說話人的情緒、態(tài)度或語(yǔ)氣，但不能單獨(dú)作謂語(yǔ)，只能

24、與其他動(dòng)詞構(gòu)成謂語(yǔ)。常見的有： can(could) ， may(might) ， must， need， shall(should) ， will(would) 等。2)情態(tài)動(dòng)詞無人稱和數(shù)的變化，后接動(dòng)詞原形。否定式是在情態(tài)動(dòng)詞后面加not。個(gè)別情態(tài)動(dòng)詞有過去式形式，可用來表達(dá)更加客氣、委婉的語(yǔ)氣。You mustn t play with fire.It is dangerous.設(shè)計(jì)意圖： 教師講解和總結(jié)語(yǔ)法項(xiàng)目，幫助學(xué)生把以前學(xué)過的語(yǔ)法系統(tǒng)化。Step 6： PracticeWork on 4a1.Ask two students to role- play the conversat

25、ion to check answers.2.Ask students to role- play with their partner.設(shè)計(jì)意圖： 學(xué)生通過做練習(xí)來鞏固所學(xué)的各種時(shí)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(jì)意圖： 學(xué)生練習(xí)情態(tài)動(dòng)詞的用法。Work on 4c三、布置

26、作業(yè)口頭作業(yè)：Listen to 3a.Then recite it.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(xué)小結(jié)【板書設(shè)計(jì)】Unit 13We re trying to save the earth!Section A(3a 4c)Sharks are dangercruel 殘

27、酷的，殘忍的ous and huge.be harmful to對(duì)有害的Their teeth are sharp.law法律reusable 可再次使用的New wordsSection B(1a 1e)【教學(xué)目標(biāo)】1. 學(xué)生能聽懂日常生活中的環(huán)保措施。2.學(xué)生能模仿聽力原文，能運(yùn)用聽力材料中的知識(shí)，口頭談?wù)撛谌粘Ｉ钪性鯓訌淖晕易銎?，注意環(huán)保。3.學(xué)生能掌握本課重點(diǎn)詞匯recycle ；認(rèn)讀 napkin ；重點(diǎn)詞組： turn off the shower ，notuse paper napkins， take your own bags whenshopping，not ride in

28、 cars ，recycle paper，usepublic transportation 等。4.學(xué)生能運(yùn)用聽力材料中的信息，口頭表達(dá)在日常生活中怎樣從自我做起，注意環(huán)保?！窘虒W(xué)重難點(diǎn)】重點(diǎn)： 1.聽力策略：如何集中注意力。2.日常生活中的環(huán)保措施。教學(xué)過程設(shè)計(jì)一、創(chuàng)設(shè)情境，切入主題Step 1： Lead- in3.詞匯和詞組： recycle，napkin ；turn offthe shower ， not use paper napkins ， take yourown bags when shopping， not ride in cars，recycle paper， use pu

29、blic transportation 等。4.運(yùn)用現(xiàn)在進(jìn)行時(shí)和一般將來時(shí)與同伴就日常生活中的個(gè)人環(huán)保行為對(duì)話。難點(diǎn)： 根據(jù)聽力材料的信息，運(yùn)用現(xiàn)在進(jìn)行時(shí)和一般將來時(shí)與同伴就日常生活中的個(gè)人環(huán)保行為對(duì)話?！菊n前準(zhǔn)備】1.收集日常生活中有關(guān)個(gè)人的環(huán)保行為的資料。2.準(zhǔn)備錄音機(jī)、多媒體課件、學(xué)案等。1. 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

30、earth?4. Ask students in each group to tell the class their measures.The teacher can write the measures down on the blackboard.設(shè)計(jì)意圖： 觀看視頻，導(dǎo)入保護(hù)地球的話題，同時(shí)提高學(xué)生的學(xué)習(xí)興趣。聯(lián)系學(xué)生的日常生活，提高學(xué)生的環(huán)保意識(shí)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 ran

31、k these items from the easiest(1) to the most difficult(5).2.Work on 1bLet students compare their answers in 1a with their partner and tell their reasons.設(shè)計(jì)意圖： 熟悉話題和詞匯，為聽力活動(dòng)做好準(zhǔn)備。3.Ask students to read the sentences in the chart of 1c.設(shè)計(jì)意圖： 讓學(xué)生理解表格中每一列的含義，注意時(shí)態(tài)。這樣能幫助他們?cè)诼牭倪^程中提高分辨意識(shí)。While listeningStep

32、4： Listening to 1c1.Play the recording for students to check 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(jì)意圖： 訓(xùn)練學(xué)生聽力訓(xùn)練時(shí)抓住關(guān)鍵信息的能力。Step 5： Listening to 1d1.Play the recording for students to d

33、o 1d.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(jì)意圖： 1d 的聽力任務(wù)，讓學(xué)生在語(yǔ)境中感知體驗(yàn)環(huán)保措施以及不同的時(shí)態(tài)。Things Julia and JackThings Julia is doingThings Julia will do inThings Julia wouldtalk aboutnowthe futurenever do_ turning offthe light_ turning

34、offthe shower_ not usingpaper napkins_ taking yourown bags whenshopping_ not riding incars_ riding abike_ recyclingpaperAfter 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

35、students to act out the conversation.3.Work on 1eMake 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(jì)意圖： 聽后，再次整體回扣文本，并進(jìn)行語(yǔ)音語(yǔ)調(diào)的學(xué)習(xí)。然后，通過pair work 讓學(xué)生內(nèi)化聽取的語(yǔ)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

36、 write a passage about what you do and what you will do to save the earth.教學(xué)小結(jié)【板書設(shè)計(jì)】Unit 13We re trying to save the earth!Section B(1a 1e)How to save the earth?Don t drop litter.Take a bus instead of driving a car.Turn off lights when we leave a room.recycle v.回收Section B(2a 2e)【教學(xué)目標(biāo)】1. 學(xué)生能掌握重點(diǎn)詞匯(ga

37、te， bottle ，president， work ， metal)；認(rèn)讀詞匯 (upside， inspiration ，iron，creativity) ；詞組 (throw away ， put sth.to good use，pull down ，bring back) 等。2.學(xué)生能讀懂文章，并從文中獲取詳細(xì)信息，完成閱讀任務(wù)。3. 學(xué) 生 能 夠 理 解Rethink ， Reuse ，Recycle ！的環(huán)保理念，并落實(shí)到積極的行動(dòng)之中。4.學(xué)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(xué)重難點(diǎn)】教學(xué)過程設(shè)計(jì)一、創(chuàng)設(shè)情境，切入主題Step 1： Lea

38、d- in重點(diǎn)：1.重點(diǎn)詞匯 (gate，bottle，president，work ， meta1)；詞組 (throwaway， put sth.togood use， pull down ，bring back) 。2. 學(xué) 生 能 夠 理 解 Rethink ， Reuse ，Recycle！的環(huán)保理念，并落實(shí)到積極的行動(dòng)之中。3.學(xué)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(diǎn)： 學(xué)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?！菊n前準(zhǔn)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(xué)案。1.The teacher can have a

39、free talk with students by asking some questions.二、展開過程，探究新知Step 2： PresentationAsk students whether they have seen pieces of art that are made of bottles and cans and ask them some questions.設(shè)計(jì)意圖： 對(duì)易拉罐和飲料瓶的處理是學(xué)生非常熟悉的生活經(jīng)歷，以此為切入點(diǎn)，導(dǎo)入回收利用的話題，能引起學(xué)生的興趣和共鳴。Pre- readingSept 3：Work on 2aMake students look a

40、t the pictures in 2b and ask some questions.Step 4： The teacher can begin to draw the mind- map.設(shè)計(jì)意圖： 讀前預(yù)測(cè)，為學(xué)生在接下來的閱讀中獲取文章大意作準(zhǔn)備。思維導(dǎo)圖可以幫助學(xué)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 onthe blackboard.An

41、d teach them the new words.設(shè)計(jì)意圖： 適時(shí)呈現(xiàn)詞匯，可以減輕學(xué)生的閱讀壓力。While readingStep 6： Fast reading1.Ask students to look through 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 mind- map.設(shè)計(jì)意圖： 掃讀整篇文章，獲取大意

42、，幫助學(xué)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 chart.2.Check answers.3.The teacher adds the information to the mind- map.Step 8：Careful reading (Paragraph 3 )1.Ask students to read Paragraph 3 carefully and fill in the chart.2.Check an

43、swers.NameWhat did she make ？What materials did she use？Jessica Wongbagsold clothes， especially old jeans3.The teacher adds the information to the mind- map.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 ？W

44、ang Taobeautiful art pieces3.The teacher adds the information to the mind-What materials did he use ？iron and other materials from old cars map.設(shè)計(jì)意圖： 通過細(xì)讀，讓學(xué)生獲取更詳細(xì)的信息。同時(shí)，學(xué)生更能深刻地體會(huì)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

45、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 ？3.What does Wang Tao hope to set up? Why？設(shè)計(jì)意圖： 再次細(xì)讀全文，讓學(xué)生再次回扣文本，形成篇章意識(shí)。Post readingStep 11：RetellThe teacher asks students to retell the article according to the min

46、d- map.設(shè)計(jì)意圖： 復(fù)述課文，讓學(xué)生運(yùn)用從文章中獲取的語(yǔ)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 they have difficulty they can discuss in groups of four.設(shè)計(jì)意圖： 在閱讀后，對(duì)重點(diǎn)詞匯和短語(yǔ)進(jìn)行運(yùn)用，在對(duì)文本進(jìn)行改寫的同時(shí)，達(dá)成知識(shí)目標(biāo)。Step 13： Work on 2d1.Ask students to underline the words in

47、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 divide the words into different groups.Answers：前綴： rethink ， reuse， unusual后綴： useful，building ，recycling ， creative，creativity ，recently，environmental ，imp

48、ortance，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， friendly詞根2(加后綴 )： care， help， home， use， hope， friend ， neighbor設(shè)計(jì)意圖： 引導(dǎo)學(xué)生總結(jié)和學(xué)習(xí)構(gòu)詞法，可以幫助學(xué)生在閱讀中猜測(cè)詞義。Step 14：Ask students to read the article a

49、nd underline where they dond.Theyt understancandiscuss in groups and they can also ask the teacher for help.設(shè)計(jì)意圖： 該環(huán)節(jié)引導(dǎo)學(xué)生注意語(yǔ)言的學(xué)習(xí)。Step 15： Work on 2e1.Ask students to discuss in groups the following questions and fill in the chart.Which things can be done by common people every day ？Which things have

50、 to be done by governments and organizations ？Common peopleGovernmentsOrganizations2.Ask several groups to give a report.設(shè)計(jì)意圖： 教師讓學(xué)生對(duì)所學(xué)的保護(hù)環(huán)境的措施進(jìn)行歸納和分類，培養(yǎng)學(xué)生分析問題和解決問題的能力。三、布置作業(yè)口頭作業(yè)Listen 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 a

51、s 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(xué)小結(jié)【板書設(shè)計(jì)】Unit 13We re trying to save the earth!Section B(2a 2e)words and phrasescreativeput to good useupside downironmetalcreativitySection B( 3a Self Check)【教學(xué)目標(biāo)】1.學(xué)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(xué)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(wù)。3.學(xué)生能夠掌握后綴構(gòu)詞法。4.學(xué)生能夠識(shí)別句子結(jié)構(gòu)， 掌握現(xiàn)在進(jìn)行時(shí)、 現(xiàn)在完成時(shí)、 被動(dòng)語(yǔ)態(tài)、 情態(tài)動(dòng)詞和 u