1、 Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.BainiMiddleSchool:ChenWenjuSectionAITeachingaims(教學(xué)目標(biāo))：Knowledgeaims(知識目標(biāo))：掌握本課的重點詞匯和短語，鞏固一般過去時和現(xiàn)在完成時的用法和區(qū)別。(2)能夠用一般過去時和現(xiàn)在完成時描述過去和現(xiàn)在的變化。正確使用therebesth./sb.doingsth.來表達有某人/物正在做某事。學(xué)習(xí)了解中華人民共和國環(huán)境保護法和中華人民共和國野生動物保護法的相關(guān)法律知識。2.Skillaims(能力目標(biāo))：能聽懂描述

2、環(huán)境變化的對話，區(qū)別一般過去時和現(xiàn)在完成時的用法。能理解和運用一般過去時和現(xiàn)在完成時來進行聽、說、讀、寫活動。3.Emotionalaims:(情感目標(biāo))：通過學(xué)習(xí)了解動物的生存現(xiàn)狀和環(huán)境污染帶給動物的危害，讓學(xué)生了解環(huán)境污染的嚴(yán)重性，并讓學(xué)生樹立良好的環(huán)保意識，自覺在日常生活中愛護環(huán)境，保護環(huán)境，珍愛野生動物。Thekeypointsanddifficultpoints(教學(xué)重難點):Keypoints(教學(xué)重點)：Wordsandphrases:bee,butterfly,mess,shame,several,pollute,waste,villager,destroy,cutdown,g

3、oodness,pour,seesb./sth.dosth.,seesb./sth.doingsth.,cutdown,mygoodnessSentences:Whatashame!/Whatamess!Theflowersandgrasshavegone!Whathashappenedhere?Therebesth./sb.doingsth.Thereareseveralfactoriespouringwastewaterintothestream.Everythinghaschanged.Grammar:differencesbetweenSimplePastandPresentPerfe

4、cttense.Difficultpoints(教學(xué)難點)：正確使用therebesth./sb.doingsth.來表達有某人/物正在做某事。區(qū)別使用短語seesb./sth.dosth和seesb./sth.doingsth.。能正確地以口頭和書面形式區(qū)別使用一般過去時和現(xiàn)在完成時。通過課文的學(xué)習(xí)，掌握一些有關(guān)環(huán)境保護和野生動物保護的法律知識并樹立良好環(huán)保意識Learningstrategies(教學(xué)策略)：通過引導(dǎo)學(xué)生在聽前閱讀1b和3,培養(yǎng)學(xué)生形成聽前熟悉、預(yù)測聽力材料的習(xí)慣。通過朗讀1a和2,引導(dǎo)學(xué)生模仿已有對話，編寫新的對話。通過lc,培養(yǎng)學(xué)生整合對話信息，將對話轉(zhuǎn)換為語篇的能力。

5、Teachingaids(教具)：圖片(關(guān)于校園周邊環(huán)境變化對比圖或者影像資料),錄音機,幻燈片等。IVTeachingprocedures(教學(xué)過程設(shè)計):Stage(timeperiod)InteractionpatternsTeacheractivityStudentactivityRemarks1Gettingstudentsreadyforlearning(1min)ClassactivityGreetandtalkabouttheweather.LeadtheSstodiscusstherightplaceforapicnic.T:i,boysandgirlstsaniceday,

6、isntit?Ss:Yes.T:Wouldyouliketohaveapicnicwithme?Ss:dlikethat./Soundsgreat.T:Sowhereshallwego?Ss.Greetandfocustheirattentionontheteacher.Ss:Yes.Ss:dlikethat./Soundsgreat.Ss.通過談?wù)撎鞖?，要去野炊，吸引學(xué)生的注意力，也符合課文主題，使學(xué)生專注于課堂。如果天氣不好，也可以做好周末的野炊計劃。2Lead-in(3-5mins)GroupworkLettheSsdiscusswheretohaveapicnic.Encouraget

7、hemtostatethereasons.T:Nowworkingroups,choosethebestplaceforapicnicandtelltheclasswhyyouchoosethatplace.SsT:OK,telluswheretohaveapicnic.Why?Discusswheretohaveapicnicandstatethereasons.Ss先讓學(xué)生討論出合適的野炊地點，老師再出示西山?jīng)]被污染的圖片來吸引學(xué)生的注意。當(dāng)學(xué)生興趣高漲時，又呈現(xiàn)被污染后的圖片，讓學(xué)生滿懷興趣和疑問去了解西山被污染前S1:thinkisthebestchoice.Theairthereis

8、fresh.Wecanflykitesonthegrass.SS1:thinkisthebestchoice.Theairthereisfresh.Wecanflykitesonthegrass.S后的狀況，更好的體會一般過去時和現(xiàn)在完成時在語境中的運用，同時也突破了單詞關(guān)。3Pre-listening(5-7mins)ClassactivityPresenttwopicturesoftheWestHillanddescribethechanges.Teachthenewwordsandsomedifficultsentences.(ShowtheoldpictureoftheWestHill

9、totheSs)T:Lookatthisbeautifulpicture.Kangkangandhisfriendshadapicnictheretwoyearsago.Canyouguesswhereitis?Ss:es,itstheWestHill.T:Whatcanyouseeinthepicture?S1:Someflowers,acleanriverandabigtreeT:Right.TheWestHillisabeautifulplace.Canyouseethebeesandbutterfliesdancingthere(Pointtothebeesandbutterflies

10、,andthenWatchthepicturesoftheWestHill,guessthemeaningandpronunciationofthewordsaccordingtotheintroductionaboutthechangesoftheWestHill.Ss:es,itstheWestHill.S1:Someflowers,acleanriverandabigtree在教授新單詞時，老師應(yīng)當(dāng)同時呈現(xiàn)單詞和音標(biāo)，讓學(xué)生運用所學(xué)音標(biāo)自己解決單詞的讀音問題，如果學(xué)生發(fā)音不準(zhǔn)，老師要及時更正。再根據(jù)圖片和講解，引導(dǎo)學(xué)生大膽的猜測詞義和部分難句的意思，為1a中的聽力對話掃障礙。writed

11、ownthewordsandphrasesontheBb)T:Sodoyouwanttogothereforapicnic?Ss:esT:dliketo.utnowithaschangedalot.Lookatthispicture.Doyoulikeit?Ss:No.(Teacherpresentsthenewwordsanddifficultsentencesthroughthedescriptionofthepicture.)Ss:esSs:No.IndividualworkStep1:LettheSslistento1atwiceanddoListenandmarkthewordswi

12、th本課對話不長，詞匯量不1balone.PorNaccordingtothetape.大，可以直接在組內(nèi)核對T:Listentothetapecarefullyandtryto答案。如果對話較長，難markthewordswithPorN.度較大，建議先聽兩遍后4While-listening再讀，通過讀來檢查聽的(10mins)T:Nowpleasecheckanswersinyourgroup.結(jié)果。S:eautifulisinthepast.S:eautifulisinthepast.S2:“utterfliesareinthepast.S2:“utterfliesareinthepa

13、st.S3:“Dirtyisnow.S3:“Dirtyisnow.GroupworkStep2:LettheSslistento1aagainandpayattentiontothepronunciationandtheintonation.Thenpractice1aingroupsandroleplayit.T:Read1awithyourgroupmembersandactitout.Listento1aagainandpayattentiontothepronunciationandtheintonation.Thenpractice1aingroupsandroleplayit.分角

14、色朗讀是培養(yǎng)語感，增強自信，提高興趣的基本方法之一。讓學(xué)生通過讀的方式感知一般過去時和現(xiàn)在完成時的差別后，在2中馬上運用，編寫新的對話，可以讓學(xué)生完整的體會兩種時態(tài)的區(qū)別，也突破了本課的語法關(guān)。5Post-listening(20mins)GroupworkPairworkStep1:LettheSsread1aaloudandfilltheblanksin1cingroups.T:Read1aaloudandfillintheblanksin1casquicklyaspossible,andthendiscusstheanswerwithyourgroupmembers.T:Nowcheck

15、theanswertogether.S1:abeautifulplaceS2:lostofflowersandgrassS:Step2:LettheSsobservethepicturesandReadandfilltheblanksin1casquicklyaspossible.S1:abeautifulplaceS2:lostofflowersandgrassSObservethepicturesandstudy做完聽力練習(xí)后，再讓學(xué)生通過讀的方式在具體情況中感知兩種時態(tài)的差另U,并通過相應(yīng)的任務(wù)去掌握它們的用法。該環(huán)節(jié)是讓學(xué)生通過聽的 studytheexamplein2andtryto

16、makenewdialogsaccordingtothepicturesandthegivenwords.Thenactoutthedialogs.T:Nowstudytheexamplein2andtrytomakenewdialogswiththeirpartnersaccordingtothepicturesandthegivenwords.Thenactoutthedialogs.theexamplein2andtrytomakenewdialogswiththeirpartnersaccordingtothepicturesandthegivenwords.Thenactoutthe

17、dialogs.方式，繼續(xù)學(xué)習(xí)一般過去時和現(xiàn)在完成時的區(qū)別，T:OK,whocantry?S1:ThereweremanytreeswhenIvisitedS1:Thereweremanytreeswhenthehilllastyear.Ivisitedthehilllastyear.引導(dǎo)學(xué)生關(guān)注動物的生存S2:Butnowthetreeshavegone.S2:Butnowthetreeshavegone.問題和環(huán)境污染的嚴(yán)峻形S1:Whathashappenedhere?S1:Whathashappenedhere?勢。讓學(xué)生學(xué)習(xí)了解相關(guān)S2:Theffarmershavecutthemd

18、own.S2:Thefarmershavecutthem的法律知識，從小樹立良down.好的環(huán)保意識，自覺在日T：Yes.Andmanyanimalshavegone,too.常生活中愛護環(huán)境，保護由于人們亂扔垃圾，到處排放廢棄物，到處環(huán)境，珍愛野生動物。教亂砍亂伐樹木的行為，導(dǎo)致從前美好的生師要注意在情感態(tài)度教學(xué)活環(huán)境遭到了嚴(yán)重的破壞，許多珍稀的野方面的引導(dǎo)。Individualwork 生動物也正在逐漸的消失！地球母親滿目瘡痍，我們的生存也面臨嚴(yán)重的威脅。為此，國家制定了相關(guān)的法律法規(guī)。中華人民共和國環(huán)境保護法第六十四條：因污染環(huán)境和破壞生態(tài)造成損害的，應(yīng)當(dāng)依照中華人民共和國侵權(quán)責(zé)任法的有

19、關(guān)規(guī)定承擔(dān)侵權(quán)責(zé)任。第四十九條：禁止將不符合農(nóng)用標(biāo)準(zhǔn)和環(huán)境保護標(biāo)準(zhǔn)的固體廢物、廢水施入農(nóng)田。施用農(nóng)藥、化占等農(nóng)業(yè)投入品及進行灌溉，應(yīng)當(dāng)采取措施，防止重金屬和其他有毒有害物質(zhì)污染環(huán)境。中華人民共和國野生動物保護法第三十條：非法捕殺國家重點保護野生動物的，依照刑法有關(guān)規(guī)定追究刑事責(zé)任。第八條：國家保護野生動物及其生存環(huán)境，禁止任何單位和個人非法獵捕或者破壞。第九條：國家對珍貴、瀕危的野生動物實行重點保護。因此同學(xué)們要從小就樹立良好的環(huán)保意識,共同保護我們賴以生存的地球家園。（法制知識滲透）巴1Step3:LeadtheSstolookatthepicturesandlistentothesente

20、ncesoncetonumberthem.Thenlistentothemtwicetocompletethesentences.T:Lookatthesepicturesin3,listenandnumberthem.T:OK,nowchecktheanswerstogether.TherightorderisT:Welldone.Nowlistenagainandfillintheblanksin3.Whenlistening,youcanonlywritethefirsttwolettersofeachwordorthefirstwordofeachphrase.Afterfinishi

21、nglistening,youhavesometimetocompleteyouranswers.Ready?T:OK.Nowyouhaveoneminutetocompletethesentence.Payattentiontotheformofverbs.Lookatthepicturesandlistentothesentencesoncetonumberthem.Thenlistentothemtwiceandcompletethesentences.:,timeisup.etschecktheanswers.S1:Peoplehavecutdowntoomanytrees.S2:ma

22、nytrees.S3:utnowtheyS4S1:Peoplehavecutdowntoomanytrees.S2:manytrees.S3:utnowtheyS46Summarizingandassigninghomework(3mins)GroupworkGroupworkStep1:Sumupthemaincontentofthisclassandthekeypoints:etsgothroughwhatwehaveleaedtoday.Group1and2,pleasesumupthenewwords.Group3and4,pleasesumupthekeyphrasesandthedifficultsentences.Group5and6,pleasesumupthegrammarin