综合英语3-UNIT-4-Glueppt课件.ppt
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综合英语3-UNIT-4-Glueppt课件.ppt

综合英语3-UNIT-4-Glueppt课件.ppt

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ListeningandSpeakingListeningandSpeakingBrainstormingNamesofSmallStationaryObjectsrulerVerbsExpressingtheUseofSmallStationaryObjectscutterbladeNamesofToolsforUsingonSmallObjectsNamesofPartsofMachinesorGadgetsInEverydayLifeWhatisthis?ListeningThefollowingwordsintherecordingmaybenewtoyou:espionage:n.theactionofspying;workoffindingoutthepoliticalsecretsofcountriestobepassedontoothercountries.E.g.Industrialespionageisthestealingofknowledgeaboutanotherfirm’sbusiness.nib:n.thepointedusuallymetalpiecefittingontheendofapen,withacrackforinktoflowtothepointretrieve:vtogetbackE.g.Houndscanretrievethekillfortheirmasterswhenhunting.dampen:v.tocausetobecomedamporwet.E.g.Therainhardlydampenedtheground.A:Haveyouheardofinvisiblewriting?B:Invisiblewriting?____________________.Spiesuseaspecialkindofinkto__________________.A:Yes,you’reright,butyoudon’tneedtousespecialink,______________________.B:Milk?Ihaveheardofusingwater,butnotmilk.Interesting!______________________?Tellmehowtowriteinmilk.A:OK,now,listen…Task2:Listenagainandexplainbrieflyhowtoproduceinvisiblewritingwithmilkandthenhowtorewritethemessage.ReferenceAnswersTask3:Explainbrieflyhowtoproduceinvisiblewritingwithwaterandthenhowtoretrievemessage.Getreadytwosheetsofpaper,amirrororapieceofglassandahardpencil.Dampenoneofthesheetsofpaperandputitflatontheglass.Putthedrypieceoveritandwritethemessagefirmlyonthedrysheet,pressinghardsoanimpressiongoesthroughtothedamppaperunderneath.Then,throwawaythetoppieceofpaper.Whenthedampsheetdries,theinvisiblewritingisproduced.Toreadthemessage,simplyrewetthepaperandthewritingcanbeseenagain.SpeakingDiscusswithyourpartnerandexplainhowyoudothefollowingthings,andthenreportyourinterviewtotheclass.Thefollowingexpressionsmaybeusefulforyourstory:Task3:LanguageworkwithpicturesYoumayusepatternslikethefollowing:horizontalTask2:Story-tellingYoumayprepareyourstoryusingthefollowingclues:WritingHowtoMakePictureswithGardenScrape?