Unit6Whenwasitinvented？SectionB1a-1e课件人教版（2012）英语九年级全册

人教版英语

Unit6Whenwasitinvented?SectionB1a-1e人教版英语Lead-inWhatisthefood?Freetalkwatermelonlemonsaltedduckeggshotpotbittermelonpotatochipssweet

salty

crisp

cold

sour

fresh

delicious

delicious

Writethenameofadifferentfoodaftereachword.

sweet____________________________

crispy____________________________

salty____________________________sour____________________________

banana

grapelemonsaltfishsaltvegetablesBeijingDuckscookiecrackerpotatoeschips

candy

apple

Howdotheytaste?Theytastecrispyandsalty.[ˈkrispi][ˈsɔːlti]Whatarethey?Theyarepotatochips.Pre-listeningIttastes

bitter.[ˈbitə]Howdoesittaste?bittermelonPre-listeningListenandcircleTfortrueorFforfalse.

Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.

TTTFFFTTTFFF4.Thecustomersaidtheywerenotsaltyenough.

5.Georgewantedtomakethecustomerhappy.6.Thecustomwashappyintheend.

n

.顾客

Theytastesour.[ˈsauə]lemonsyogurtHowdotheytaste?Pre-listeningTheytastesweet.Howdotheytaste?strawberrycakesice-creamPre-listeningWhatare

needed?

Thepotatoesarecutintoslices.

Theslicesarecookedinthepan.

Thepepperandtomatoesaresprinkled.

sweetcrispysaltysour____________________________________________________________________________crispysoursaltysweetsaltyThewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.saltedduckeggsweet____________________________crispy____________________________salty____________________________sour____________________________bananaappleBeijingDuckpotatochipsgrapecandycookiecheesesaltedfishlemonWritethenameofadifferentfoodaftereachword.vinegarwatermelonsweet____________________________crispy____________________________salty____________________________sour____________________________Writethenameofadifferentfoodaftereachword.bananaappleBeijingDuckpotatochipsgrapecandycookiesaltsaltedfishlemonbiscuit酸的甜的苦的辣的咸的脆的新鲜的软的硬的多汁的健康的厚的薄的好吃的soursweetbitterhot/spicysaltycrispyfreshsofthardjuicyhealthythickthindeliciousWordstodescribethefoodPredictionDoyouknowhowpotatochipswereinvented?Whataretheydoing?Theyaretalkingaboutpotatochips.Thecustomerthoughtthepotatoeswerenot

thinenough.

（教材P45）enough修饰名词时不需要倒装。e.g.Thereisn’tenoughfoodleftinthefridge.

冰箱里剩的食物不多了。enough修饰形容词、副词时需要倒装。e.g.He’stallenoughtochangethebulbwithoutgettingonachair.

他个头够高，不用踩椅子就可以换灯泡。enough常可以和词组so...that...,too...to...转换。例如：用enoughHedidn’trunfastenoughtocatchupwiththeothers.用so...that...Heransoslowlythathecouldn’tcatchupwiththeothers.用too...to...Herantooslowlytocatchupwiththeothers.Thecustomerwashappyintheend.（教材P45）intheend的意思是“后来，最后，终于”，intheend用一个单词表达可以用finally，用一个短语表达可以用atlast。e.g.Hewonintheend.

Hewonfinally.Hewonatlast.ListenandcircleTfortrueorForfalse.1.Potatochipswereinventedbymistake.TF2.Theywereinventedin1863.TF3.ThecustomerthoughtthepotatoeswereTFnotthinenough.4.Thecustomersaidtheywerenotsaltyenough.TF5.Georgewantedtomakethecustomerhappy.TF6.Thecustomwashappyintheend.TF无意中最后，终于in1853.thindidn’twant

1.Whowaspotatochipsinventedby?What'shisjob?2.Whenwerepotatochipsinvented?3.Whatdidthecustomerorderattherestaurant?4.WhatdidthecustomerthinkofthepotatochipsGeorgecookedatfirst?TheywereinventedbyacookcalledGeorgeCrum.In1853.Listenandanswerthequestions.

Heorderedaplateoffriedpotatoes.Hethoughttheywerecuttoothick.PairworkMakeaconversationabouttheinventionofpotatochips.Usetheinformationin1cand1d.Exercises用所给单词的正确形式填空。1.TheTV____________(invent)around1927.2.Theyareusedfor_______(see)inthepark.3.Thiskite_________(make)byUncleWang.4.Teaplants______________(discover)alongtimeago.5.Ourclassroom_________________(shouldclean)everyday.wasinvented

seeingwasmade

wasdiscoveredshouldbecleaned选词填空crispysweetsaltysour1.Idon’tli