《英語》（必修·第三冊）Unit1NatureinthebalanceProjectI.LearningobjectivesBytheendofthelesson,studentswillbeableto:1.befullyawareoftheenvironmentalproblems;2.writeashortpassageaboutanenvironmentalproblem;3.cooperatewithgroupmembers,presenttheirpartstotheclassandmakeabooklet.II.Keycompetencefocus1.Researchthecauses,consequencesandcontrolofenvironmentalproblems.2.Cooperatewithothersandmakeabooklet.III.PredictedareasofdifficultyWriteashortpassageaboutanenvironmentalproblem.IV.Teachingprocedures Step1Lead-inTasksSstoreadaquoteofFriedrichEngelsandanswersomequestions.“Letusnot,however,flatterourselvesovermuchonaccountofourhumanvictoriesovernature.Foreachsuchvictorynaturetakesitsrevengeonus.”T:Whatareourhumanvictoriesovernature?Pleasegivesomeexamples.S:Breakthroughsinagricultureandindustry,suchaspesticides,chemicals,plasticproducts,etc.(Twrites“Causes”ontheblackboard.)T:Howdoesnaturetakeitsrevengeonus?S:Nowwearefacedwithalotofenvironmentalproblems.(Twrites“Consequences”ontheblackboard.)T:Howcanwesolvetheproblems?S:Reduce,reuseandrecycle.(Twrites“Control”ontheblackboard.)T:Quiteright.Todealwiththeenvironmentalproblems,itisnecessarytoletpeopleknowthecauses,consequencesandcontrolofeachproblem.Let’smakeabookletonenvironmentalproblemstoday.(Twrites“Makingabookletonenvironmentalproblems”ontheblackboard.)【設計意圖：讓學生讀Engels的名言，回顧前面幾個板塊所學內容，導出任務，明確本課目標?！縎tep2PlanningAsaclass,Ssarerequiredtothinkofdifferentenvironmentalproblems.Theningroups,theychooseoneproblemtoresearch.Ingroups,Ssdiscusshowtodividethefollowingtasksamongthemselves.Writethename(s)ofgroupmember(s)besidethetasks.(Remember:twoorthreepeoplecanworkonthesametask.)Researchinformation:________________________________________Writethepassage:________________________________________Designthebookletpage:________________________________________Presentthebooklet:________________________________________【設計意圖：通過頭腦風暴式的討論羅列盡可能多的環境問題，讓學生意識到環境問題的嚴重性，同時也給每個小組提供一個較大的話題選擇范圍。小組成員填寫任務分配表，激發潛能，分工合作，培養團隊精神。】Step3PreparingTguidesSshowtoresearchtheirchosentopic.CausesConsequencesCausesConsequencesControlSscanresearchforinformationfromthefollowingsources:?Booksandmagazines?TheInternet?ExpertsTasksSstoreadthesampleinpartCofthetextbook.Tmayaskthefollowingquestionstohelpthemappreciatethefeaturesofthebookletpage.?Whatisthestructureofthebookletpage?TitleHeadingsTopicsentencesSupportingsentences?Howdoestheauthorconvincereaders?Bygivingexamples.?Doestheauthorusethesameverbsorsentencepatterns?Whyorwhynot?Pleasegivesomeexamples.No.Theauthorusesvariousverbs,phrasesandsentencepatternstogiveanaccuratedescriptionandavoidrepetition,suchaspoisonandpollute,doharmtoandhavealong-lastingeffecton,causeandgiveriseto,etc.Besides,sentenceswithpassivevoicecanbefoundinthearticle.Forexample,“Waterpollutionisalsocausedby...”and“Morestrictlawsshouldbepassed...”Thiskindofsentencestructurehighlightsthetopic.?Howcanyoumakeyourideasclearandimpressiveaccordingtothesample?Byusinglinkingwordssuchasfirst,second,third,moreover,also,etc.?Howcanyoumakeyourbookletpageattractive?Whenwedesignthebookletpage,weneedtopayattentiontotheartwork,handwritingandcoordination.【設計意圖：引導學生做好充分的信息采集工作，確保信息來源客觀全面，并按照所給示意圖清晰分類。通過閱讀例文和回答教師的一系列問題，學生可以掌握一些基本寫作技巧，如“總—分”結構、豐富的動詞和詞組、被動語態、連接詞等等。另外，學生可利用醒目的設計、圖片或圖表提高作品的吸引力?！縎tep4Producing1.Sswriteapassageabouttheirchosenproblembyusinginformationthey’vegot,andpolishuptheirwriting.2.Ssdesignthebookletpage.3.Thewholegrouppolishthedraftandproducethefinalversion.【設計意圖：小組成員分別完成自己的任務，再一起整合所有的資源，形成作品初稿，接著經過小組討論，改進作品。學生通過該活動，可以提高合作能力?！縎tep5Presenting1.Sspresenttheirpartofthebookletinfrontoftheclass.2.Otherstudentsgivescoresaccordingtoascoringtableandtheycanalsomakesomecommentsandgivesomesuggestions.AscoringtableforabookletpageContentDesignClarityCorrectnessCoherenceArtworkHandwritingCoordinationAboutthecontent:?Isthestructureofthepassageclearandorderly??Arethereanyspellingorgrammarmistakesinthepassage??Isthepassagewritteninalogicalandconsistentway?Aboutthelayout:?Cantheartwork(photos,pictures,graphs,etc.)helpexplaintheinformationinthepassage??Isthehandwritingsatisfying??Isthereagoodcombinationofcolors,picturesandwords?3.Sspolishuptheirworkaccordingtothecomments