单元:Unit1TheworldofoursensesTeachingaims:1.EncouragestudentsspeakouttopracticetheiroralEnglish.2.Arosetheirinterestinlearningthisunitthroughactivities.3.Letthemknowtheimportanceofsensesindailylife.TeachingProcedures:Step1.Brainstorming(ppt5-6)Askstudentsthefollowingquestions:-1.Withwhatdoweseeandhear?2.Howdoweknowwhetheradishisdelicious?3.Howdoweknowthataflowerhasapleasantsmell?4.Whatdowedowhenwewanttoknowwhetherthewaterinthebasinishotorcold?5.Howdoweknowabouttheworldaroundus?Asweallknow,almosteveryonehasfivesenses,whichareusedeverywhereandallthetime.Welearnabouttheworldthroughthefivesenses.Weusethefivesensestostudy,workandrelax,buttherearesomepeoplewhohavelostoneormoreoftheirsenses.Step2Presentation(ppt7-8)1.Whatwouldhappenifyoulostoneortwoofyoursenses?Apersonwhocannotseeisblindandsomeonewhocannothearisdeaf.2.Doyouknowhowblindpeoplecanread?(Theycanreadbytouchingraiseddotswhichrepresentnumbersandletters.ThissystemiscalledBraille.)3.Howdothedeafcommunicatewitheachother?(Theyusebodylanguageorsignlanguage.)Step3Discussion---GroupActivity(ppt9)Lookatthefourpicturesandanswerthequestionbeloweachpicture.1.Whatcanyouseeinthispicture?2.Howwouldyoujudgethelengthofthetwolines?3.Howcanyouprovethatthetwolinesarestraight?4.Canthesymbolsbereadinonlyoneway?5.Whyarepeoplemisledbytheirowneyes?Step4Languagestudy(ppt10-11)1.Fillintheblankswithwordsthathavesomethingtodowith“senses”:Whenhegotthere,he_________thattherewasadarkhole.He________intoit,butcould________nothing.He________withhisears,hecould_______nothing,either.He_________itforalongtime.He_______somethingstrange.He___________thesideofthehole.It______hot.Suddenlysomenoiseswere________fromthehole.It________likesomeonewascookinginside.2.Let’stalkabouttheimportanceofeachsense.e.g.Weseetheworldwithoureyes.Withoutthesenseofsight,wewouldliveintotaldarkness.We____with__________.Without_________,wewould___________________.Step5Discussion---Groupactivity(ppt12-20)1.Thereisasaying:Toseeistobelieve,isthatalwaystrue?2.Readthethreequestionsintheshortpassageanddiscussthemingroupsoffour.3.Reportyouranswerstothewholeclass.Thereisasaying:Toseeistobelieve,isthatalwaystrue?结论是:Inmostcases,thesayingistrue.However,sometimesoursenseswillcheatus.Toseetheworldclearly,weshouldalsobearmedwithscientificknowledgeandthinktwicebeforeaction.Step6Assignments(ppt21)1.Previewthereadingpart,doexerciseC1andC2.2.Previewthereadingstrategy.