九年级第九单元课件SectionB1.ppt

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1、Unit9Whenwasitinvented?SectionBPeriod1授课人：程文俊crispyandsaltyDescribehowfoodtastes.potatochipssourlemonsweeticecreamsweetandbitter(苦）teasweetapplebananascookielettucecrispygrapefruitpineapplesourfrenchfriessaltedeggssaltyListening(2a,2b:P71)Thepotatochipswereinventedbymistake.2.Theywereinventedin1863

2、.3.Thecustomerthoughtthepotatoesweren’tthinenough.4.Thecustomersaidtheyweren’tsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.TFTFFT_____________thatpotatochipswereinventedbymistake?Chips_______________byachefcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcookedt

3、hemforalongtimeuntilthey___________Andhesprinkledlotsofsaltonthemsotheywere__________.ThehistoryofchipsDidyouknowwereinvented1853werecrispyreallysaltymind-mapGeorgeCrumacustomerbymistakesprinkledlotsofsaltcookedthemforalongtimeCutthemupthinenough1.Thecustomsaidtheyweren’tsaltyenough.这个顾客说菜不够咸。(1)sa

4、id后是宾语从句,省略了that。当宾语从句主句用一般过去时,从句也要用过去的某种时态。HeaskedmewhomIwaswaitingfor.他问我在等谁。Explanation但enough修饰名词时,可以放在名词之前,也可以放在名词之后。如:Ihaveenoughmoneytobuyit.(Ihavemoneyenoughtobuyit.)2.Thepotatochipswereinventedbymistake.薯片是无意中被发明的。mistake做名词,意为“弄错,误解”Youhavemadeafoolishmistake.你犯了一个愚蠢的错误。mistake作动词,意为“弄错,误

5、解”Shedidn’tspeakveryclearlysoImistookwhatshesaid.她讲的不清楚,所以我误解了她的话。bymistake意为“错误地,无意地”Itookhisbackpackbymistake.我错拿了他的书包。Heputsaltinhercupofteabymistake.他错把盐放进她的茶里。Thankyouforlisteningandgivingmelotsofvaluablesuggestions!bye-bye!