九年级英语：Unit9 When was it invented Section B课件 人教版新目标

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1、Let’smakeupsomepuzzlesHereisabox.Youcanuseittocookmanykindsofdeliciousfood,suchasfish,chicken,meatandrice.Youcanalsouseittomakecolddishandfoodhotinafewminutes.Let’smakeupsomepuzzlesHereisanotherboxwithabeautifulglassface.ItlookslikeaTV,butitisn’taTV.Itcanbeusedforwo

2、rkingveryfast.Itcanhelpyoustudyorwork.Thislittlethinghasgotnumbersfrom0to9.Itisverysmall,soyoucanputitintoyourpocket.Whereveryougo,youcanuseittotalktoyourfriendsandyourfamiliesfaraway.Hereisabigbox.Itcanmakeyourclothescleanandyourhouseworkeasy.Withitshelpyoucanhavem

3、oretimetorelaxortowork.PlayaguessinggameWasthe…inventedin…/…ago?dateTheabacuswasinventedinthesixthcenturybyChinesepeople.Theumbrellawasinventedabout4,000yearsagoinAssyria,ChinaandEgypt.Thebinocularswasinventedin1854byGalileoPorroinItaly.Thecamerawasinventedin1827byJ

4、osephNicephoreNiepcewhotookthefirstpicture.Thebicyclewasinventedin1880sinEngland.ChallengeyourthinkingWhatwouldyoudoifyouarealoneonatinyisland?Choosefiveinventionsyouwouldliketohaveontheislandwithyou.Tellthegroupwhatyouchoseandwhy.A:I’dliketohavesomematchesbecauseIc

5、ouldlightafiretokeepwarm.B:Yes,butthat’snotgoingtohelpyouleavetheisland.Ithinkitwouldbebettertohaveamobilephone.Whatwouldyouchooseifyouwereontheislandalone?MatchesFoodClothesTelephoneMp3MoneyTastes1.Canyoutellmefivetastes?2.Whichfoodissour?3.Whichfoodissweet?4.Whic

6、hfoodisbitter?5.Whichfoodissalty?6.Whichfoodishot?Soursweetbitterhotsaltyorangeyogurtapplebananateacoffeesaltpizzapepperonioncrispyandsalty-Howdoesittaste?-Ittastes…sour-Howdoesittaste?-Ittastes…sweet-Howdoesittaste?-Ittastes…sweet-Howdoesittaste?-Ittastes…-Whatkind

7、offooddoyoulike?-Ilikefoodthattastes…crispysaltysoursweetThehistoryofchips1.Idon’tlikeeatingchocolate.Thetasteistoo_______.2.Momaddedsaltbutitstillwasn’t_____enough.3.Ipreferlemonstooranges.Ilikethe_______taste.4.Shelikes________cookies.Theyarehard,dryandeasilybroke

8、n.crispysweetsaltysourcrispysweetsaltysourListening(2a,2b:P71)Thepotatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerth