Topic1Pollutionhascausedtoomanyproblems.SectionBThekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:pain,produce,awful,bear,harmful,chest,editor,breathe/breath,soilgetapainin…,what’sworse,toomuchnoise,toomanyproblems,breathingproblem,beharmfulto,makeamessof,throw…aroundSentences:It’sdifficultformetobreathe.I’vegotapaininmythroat.It’sreallyawful.A:Howlonghaveyoubeenlikethis?A:Haveyouseenadoctor?B:I’vebeenlikethissincelastweek.B:Notyet.Grammar:PresentPerfect的问答。2.Difficultpoints:能在不同语境中,正确判断单词的不同词性。在朗读中,能正确地把握连读和停顿的技巧。Teachingprocedures:Stage1GettingstudentsreadyforlearningGuidetheSstodiscussdifferentkindsofpollutioningroupsandsharetheanswertogether.Stage2Lead-inLettheSslookatthepicturesin3aonpage30andguessthemeaningandpronunciationof“soil”.Askthemtopayattentiontothetypesofpollution.Stage3Pre-listeningShowthepictureofsoilpollution,teachthenewwordsandchecktheanswersof3b.Payattentiontothepronunciation,liaisonandpausewhilereading.Stage4While-listeningStep1:ShowapictureofthepollutedWestHill,lettheSslistento1aonceandtickthequestionstheyhearinpartAof1b.Thenchecktheanswerstogether.Step2:GettheSstolistenagainandmatchthequestionswiththerightanswersinpartBof1b.Thenchecktheanswerstogether.Stage5Post-listeningStep1:GettheSstoread1aandanswerthequestionsin1c.Step2:LettheSsread1acarefullyandunderlinethedifficultpointsincludingwords,phrasesandsentences.ThenleadtheSstoasktheirclassmatesandteacherforhelp.Writedownthepointstheycan’tunderstandontheBb.Step3:LettheSsread1ainroles,andthenactoutthedialogandpayattentiontothepronunciationandintonation.Step4:LeadtheSstoscanthematerialandchoosethecorrectwordstocompletetheletterin2.Stage6SummarizingandAssigninghomeworkStep1:LettheSsgooverwhattheyhavelearnedthisperiod.Sumupthekeypoints.Step2:HMK:LettheSstochooseonetypeofpollutionandcollectsomeinformationaboutitaccordingtothequestionsin3onpage32.1.Whatis…pollution?2.Whatmakesthe…pollution?3.Whatproblemsdoesitcause?4.Whatcanbedonetosolvetheseproblems?