英语人教版九年级全册Unit6 Section A1(1a-2d).ppt

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1、Unit6Whenwasitinvented?SectionA(1a-2d)Talkabouttheinventions(发明).Whichonedoyouthinkisthemosthelpfulinourdailylife?LeadincomputercarcalculatorlaptoptelephonecellphoneradioPresentation1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennum

2、berthem[1-4](1=first,4=last)12341bListenandmatchtheinventionswiththeyears.abcdWhenwasthe...invented?1876188519271971acbd1cPAIRWORKA:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.2aListenandnumbertheinventions[1-3]intheorderyouhearthem.312___shoeswithspecialheels___

3、shoeswithlights___hotice-creamscooprunsonelectricity2bListenagainandcompletethechartbelow.InventionWhatisit/aretheyusedfor?______thestyleoftheshoesseeing________________reallycoldice-creamshoeswithspecialheelsshoeswithlightshotice-creamscoop2cMakeconversationsusingtheinforma

4、tionin2b.A:Whataretheyusedfor?B:They’reusedfor...2dRole-playtheconversation.Readthepassagequicklyandanswerthequestions.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthe

5、zipperbecomepopular?Smallinventionsthatchangedtheworld.Thezipper.Becauseitisoftenusedinourdailylives.WhitcombJudsonin1893.Around1917.Whatwillyoudoifyouarereallythirsty?You’dliketodrinkthesedrinks.v.喝；饮n.饮料What’sthemosttraditionaldrinkinChina?Teahasalonghistory.Teawasfirstdru

6、nknearly5,000yearsago.boilingdrinkingwaterleavesItsmellspleasant.Ittastesdeliciousand…Whowasteainventedby?ItwasinventedbytheChineserulercalledShenNong．ShenNongHowwasitinvented?boilingwateroveranopenfirefellinto…andremained…producedanicesmelltastedthebrownwater—teaItwasinvent

7、edbyaccident.haveapointbyaccidentitissaid/believedthatbebroughttosp.takeplaceeventhoughwithoutdoubtLanguagepoints有道理偶然；意外地人们说/相信被带到某地发生；出现即使毫无疑问；的确---What’sthis?---It’sa…---What’situsedfor？---It’susedfor…---Whenwasitinvented？---Itwasinventedin…---Whowasitinventedby?---Itwasi

8、nventedby…Homework