1、2.Skillaims:能听懂描述环境变化的对话,区别一般过去时和现在完成时的用法。能理解和运用一般过去时和现在完成时来进行听、说、读、写活动。3.Emotionalaims:(optional)让学生了解环境污染的严重性,并树立环保意识。4.Cultureawareness:通过课文的学习,让学生了解环境的变化,关注全球的环境问题。.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:bee,butterfly,mess,shame,several,pollute,waste,villager,destroy,cutdown,g
2、oodness,pour,seesb./sth.dosth.,seesb./sth.doingsth.,cutdown,mygoodnessSentences:Whatashame!/Whatamess!Theflowersandgrasshavegone!Whathashappenedhere?Therebesth./sb.doingsth.Thereareseveralfactoriespouringwastewaterintothestream.Everythinghaschanged.Grammar:differencesbetweenSimplePastandPresentPerfe
3、cttense.2. Difficultpoints:区别使用短语seesb./sth.dosth.和seesb./sth.doingsth.。能正确地以口头和书面形式区别使用一般过去时和现在完成时。.Learningstrategies通过引导学生在听前阅读1b和3,培养学生形成听前熟悉、预测听力材料的习惯。通过朗读1a和2,引导学生模仿已有对话,编写新的对话。通过1c,培养学生整合对话信息,将对话转换为语篇的能力。.Teachingaids图片(关于校园周边环境变化对比图或者影像资料),录音机,幻灯片等。.TeachingproceduresStage(timeperiod)Interac
4、tionpatternsTeacheractivityStudentactivityRemarks1Gettingstudentsreadyforlearning(1min)ClassactivityGreetandtalkabouttheweather.LeadtheSstodiscusstherightplaceforapicnic.T:Hi,boysandgirls!Itsaniceday,isntit?Ss:Yes.Wouldyouliketohaveapicnicwithme?Idlikethat./Soundsgreat.Sowhereshallwego?Ss.Greetandfo
5、custheirattentionontheteacher.通过谈论天气,要去野炊,吸引学生的注意力,也符合课文主题,使学生专注于课堂。如果天气不好,也可以做好周末的野炊计划。2Lead-in(3-5mins)GroupworkLettheSsdiscusswheretohaveapicnic.Encouragethemtostatethereasons.Nowworkingroups,choosethebestplaceforapicnicandtelltheclasswhyyouchoosethatplace.SsOK,telluswheretohaveapicnic.Why?S1:Ith
6、inkisthebestchoice.Theairthereisfresh.Wecanflykitesonthegrass.S2Discusswheretohaveapicnicandstatethereasons.先让学生讨论出合适的野炊地点,老师再出示西山没被污染的图片来吸引学生的注意。当学生兴趣高涨时,又呈现被污染后的图片,让学生满怀兴趣和疑问去了解西山被污染前后的状况,更好的体会一般过去时和现在完成时在语境中的运用,同时也突破了单词关。3Pre-listening(5-7mins)PresenttwopicturesoftheWestHillanddescribethechanges.
7、Teachthenewwordsandsomedifficultsentences.(ShowtheoldpictureoftheWestHilltotheSs)Lookatthisbeautifulpicture.Kangkangandhisfriendshadapicnictheretwoyearsago.Canyouguesswhereitis?Yes,itstheWestHill.Whatcanyouseeinthepicture?Someflowers,acleanriverandabigtreeRight.TheWestHillisabeautifulplace.Canyousee
8、thebeesandbutterfliesdancingthere(Pointtothebeesandbutterflies,andthenwritedownthewordsandphrasesontheBb)Sodoyouwanttogothereforapicnic?YesIdliketo.Butnowithaschangedalot.Lookatthispicture.Doyoulikeit?No.(Teacherpresentsthenewwordsanddifficultsentencesthroughthedescriptionofthepicture.)Watchthepictu
9、resoftheWestHill,guessthemeaningandpronunciationofthewordsaccordingtotheintroductionaboutthechangesoftheWestHill.在教授新单词时,老师应当同时呈现单词和音标,让学生运用所学音标自己解决单词的读音问题,如果学生发音不准,老师要及时更正。再根据图片和讲解,引导学生大胆的猜测词义和部分难句的意思,为1a中的听力对话扫障碍。4While-listening(10mins)IndividualworkStep1:LettheSslistento1atwiceanddo1balone.Liste
10、ntothetapecarefullyandtrytomarkthewordswithPorN.Nowpleasecheckanswersinyourgroup.“Beautiful”isinthepast.S2:“Butterflies”areinthepast.S3:“Dirty”isnow.Step2:LettheSslistento1aagainandpayattentiontothepronunciationandtheintonation.Thenpractice1aingroupsandroleplayit.Read1awithyourgroupmembersandactitou
11、t.ListenandmarkthewordswithPorNaccordingtothetape.Listento1aagainandpayattentiontothepronunciationandtheintonation.Thenpractice1aingroupsandroleplayit.本课对话不长,词汇量不大,可以直接在组内核对答案。如果对话较长,难度较大,建议先听两遍后再读,通过读来检查听的结果。分角色朗读是培养语感,增强自信,提高兴趣的基本方法之一。让学生通过读的方式感知一般过去时和现在完成时的差别后,在2中马上运用,编写新的对话,可以让学生完整的体会两种时态的区别,也突破
12、了本课的语法关。5Post-listening(20mins)PairworkLettheSsread1aaloudandfilltheblanksin1cingroups.Read1aaloudandfillintheblanksin1casquicklyaspossible,andthendiscusstheanswerwithyourgroupmembers.Nowchecktheanswertogether.abeautifulplacelostofflowersandgrassLettheSsobservethepicturesandstudytheexamplein2andtryt
13、omakenewdialogsaccordingtothepicturesandthegivenwords.Thenactoutthedialogs.Nowstudytheexamplein2andtrytomakenewdialogswiththeirpartnersaccordingtothepicturesandthegivenwords.Thenactoutthedialogs.OK,whocantry?ThereweremanytreeswhenIvisitedthehilllastyear.Butnowthetreeshavegone.Thefarmershavecutthemdo
14、wn.Step3:LeadtheSstolookatthepicturesandlistentothesentencesoncetonumberthem.Thenlistentothemtwicetocompletethesentences.Lookatthesepicturesin3,listenandnumberthem.OK,nowchecktheanswerstogether.TherightorderisWelldone.Nowlistenagainandfillintheblanksin3.Whenlistening,youcanonlywritethefirsttwoletter
15、sofeachwordorthefirstwordofeachphrase.Afterfinishinglistening,youhavesometimetocompleteyouranswers.Ready?OK.Nowyouhaveoneminutetocompletethesentence.Payattentiontotheformofverbs.OK,timeisup.Letschecktheanswers.Peoplehavecutdowntoomanytrees.manytrees.butnowtheyS4Readandfilltheblanksin1casquicklyaspos
16、sible.S3Observethepicturesandstudytheexamplein2andtrytomakenewdialogswiththeirpartnersaccordingtothepicturesandthegivenwords.Thenactoutthedialogs.Lookatthepicturesandlistentothesentencesoncetonumberthem.Thenlistentothemtwiceandcompletethesentences.做完听力练习后,再让学生通过读的方式在具体情况中感知两种时态的差别,并通过相应的任务去掌握它们的用法。该
17、环节是让学生通过听的方式,继续学习一般过去时和现在完成时的区别,并引导学生关注动物的生存问题和环境污染的严峻形势。教师要注意在情感态度教学方面的引导。6Summarizingandassigninghomework(3mins)SumupthemaincontentofthisclassandthekeypointsLetsgothroughwhatwehavelearnedtoday.Group1and2,pleasesumupthenewwords.Group3and4,pleasesumupthekeyphrasesandthedifficultsentences.Group5and6,
18、pleasesumupthegrammarinthisclass.HMK:1. Writeapassageaboutpollutioninsomeplaceyouknow.2.Talkabouthowmanykindsofpollutionyouknowandmakealist.Speakoutthekeywords,phrases,sentencesandgrammarpointsingroups.1.Writeapassageaboutpollutioninsomeplaceyouknow.总结的方法分很多种,教师可以根据需要和学生的实际情况安排。该环节处理时,要重点区别两种时态的用法,学生总结后,教师可以适当点拨或者出示相应的习题加以巩固训练。.BlackboarddesignPollutionhascausedtoomanyproblems.Wordsandphrase:bee,butterfly,mess,shame,several,pollute/pollutionwaste,villager,destroy,cutdown,goodness,seesb./sth.dosth.,seesb./sth.doingsth.,poursth.into
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