Unit+6+When+was+it+invented？SectionB1a-1e 人教版九年级英语全册

Unit6When

was

it

invented?(Period4)SectionB(1a-1e)FreetalkLookatthefollowingpictures.Howdotheytaste?sweetsweetsweet/crispyFreetalksoursaltyLookatthefollowingpictures.Howdotheytaste?crispy/saltycrispysalty sourbymistake customeradj.脆的；酥脆的adj.咸的adj.

酸的；有酸味的错误地；无意中n.顾客；客户Lookandsay·What

(kindoffood)canyouseeinthepictures?·Howaboutitstaste?Doyoulikeit?Thewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.1asweetcrispysaltysourcrispysaltysoursweetsaltyWritethenameofadifferentfoodaftereachword.1bsweetcrispysaltysourbananabiscuitcheesetomatoLookandpredict·Whataretheytalkingabout?·Wheredoesthestorytakeplace?·Whoinventedpotatochips?·Wheredoesthestorytakeplace?Listenandanswerthequestions.播放教材1c音频·Whataretheytalkingabout?·Whenwerepotatochipsinvented?Howpotatochipswereinvented.In1853.AcookcalledGeorgeCrum.Inarestaurant.1．Potatochipswereinventedbymistake.2．Theywereinventedin1863.3．Thecustomerthoughtthepotatoeswerenotthinenough.4．Thecustomersaidtheywerenotsaltyenough.5．Georgewantedtomakethecustomerhappy.6．Thecustomerwashappyintheend.播放教材1c音频ListenandcircleTfortrueorFforfalse.1cTFTFTFTFTFTF播放教材1c音频Listenagain.Completethesentences.1dTheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips____________byacookcalledGeorgeCrum.Theywereinventedin_________.GeorgeCrumcutthepotatoesreally,really_________andthencookedthemforalongtimeuntiltheywere__________.Finallyheputlotsofsaltonthemsotheywere___________.wereinvented1853thincrispyreallysaltyMakeaconversationabouttheinventionofpotatochips.Usetheinformationin1cand1d.1eA:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn’tknowthat.Whoinventedthem?A:...1．salty

咸的salty形容词，意为“咸的；含盐的”，是由名词salt（盐）加后缀-y构成的。e.g.Thesoupisalittlesaltyforme.汤对我来说有点咸了。名词+后缀-y构成的形容词拓展luck→lucky（幸运的) health→healthy（健康的）wind→windy（有风的；多风的）

rain→rainy（下雨的；多雨的）1．salty

咸的名词+后缀-y构成的形容词拓展cloud

→cloudy（多云的；阴天的）sleep

→sleepy（困乏的；瞌睡的）snow

→snowy（下雪的；多雪的）sand

→sandy（含沙的）2．Potatochipswereinventedbymistake.

薯片是无意中被发明的。bymistake意为“错误地；无意中”。e.g.Maybesomebodytookitbymistake.可能有人错拿了它。拓展在bymistake中，mistake要用单数，且其前无冠词。crispy、salty、sour、bymistake、customer词汇·Whenwas...invented?·Wherewas...invented?·Whoinvented...?·Howwas...invented?谈论食物的