Unit6SectionB（1a-1e）（课件）-九年级英语全一册课件（人教版）

Unit6Whenwasitinvented？SectionB1a-1eWarmingupLead-inLifeisfullofdeliciousfood!Doyoulikeeatingsnacks?Howdoesyourfavoritesnacktaste?saltedeggHowdoesittaste?Ittastessalty.adj.咸的PotatochipsbiscuitsHowdotheytaste?Theytastesaltyandcrispy./ˈkrɪspi/adj.

脆的；

酥脆的icecreamcakesHowdotheytaste?Theytastesweet.yogurtHowdoesittaste?Ittastessour.adj.酸的coffeeHowdoesittaste?Ittastesbitter./ˈbɪtə(r)/adj.苦的spicystrip(Latiao)辣条Howdoesittaste?Ittastesspicy./ˈspaɪsi/adj.辣的苦的bitter辣的spicy脆的crispy甜的sweet酸的sourSummary咸的saltyThetasteoffood:Whatkindoffooddoyoulike?Whichtastedoyoulikebest?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/spicysaltycrispyfreshsofthardjuicyhealthythickthindeliciousWordstodescribethefoodDrivingatrainS1：Ilikeeating...They/Ittaste(s)S2:Xxlikeseatingfood.Ilikeeating...They/Ittaste(s)S3:Thewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.1asweetcrispysaltysour_________________________________crispysaltysoursweetsaltyWritethenameofadifferentfoodaftereachword.sweetcrispysaltysourapple;orange;cake;honey;candy;biscuitFrenchfries;lettuce;popcorn;potatochips;pizza;potatochips;salt;saltyfishpickle腌菜

grape;vinegar醋;orange;lemon;pickle腌菜;strawberry1bUsingadjectivestomakeconversations.salty

咸的,含盐的sweet

甜的crispy

易碎的,脆的sour

酸的,酸味的bitter

苦的hot

辣的awful

可怕的nice

好的delicious

美味的A:Whatfoodissour?B:Ithinkpineapplesaresour.Whatfoodiscrispy?A:……PairworkPre-listeningWhataretheydoing?Theyaretalkingaboutpotatochips.Doyouknowhowpotatochipswereinvented?Lookatthepictureandreadthesentencesin1c.1.Potatochipswereinventedbymistake.TF2.Theywereinventedin1863.TF3.Thecustomerthoughtthepotatoeswerenotthinenough.TF4.Thecustomersaidtheywerenotsaltyenough.TF5.Georgewantedtomakethecustomerhappy.TF6.Thecustomerwashappyintheend.TFPredict:1.Whataretheytalkingabout?A.Howpotatochipswerecooked.B.Howpotatochipswereinvented.C.Howtomakecustomershappy.Predict:2.Whatcharactersarementionedinthestory?Predict:3.Wheredidthestoryhappen?Georgeandacustomer（n.顾客).Inarestaurant.ListenandcircleTfortrueorForfalse.1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomwashappyintheend.TFTFTFTFTFTF1c无意中n.顾客最后，终于1dListenagain.Completethesentences.TheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips_____________byacookcalledGeorgeCrum.Theywereinventedin________.GeorgeCrumcutthepotatoesreally,really______andthencookedthemforalongtimeuntiltheywere_________.Finallyheputlotsofsaltonthemsotheywere

___________.wereinvented1853thincrispyreallysalty被动语态时间形容词形容词形容词Listenagainandcomplete.Boy1:Hey,didyouknowthatpotatochipswereinvented__________?Boy2:Really?Whatdoyoumean?Boy1:Well,hereonthebagitsaysthattheywereinvented_______________GeorgeCrum.Boy2:

Whenwasthat?Boy1:Oh,itwas____________.Boy2:So,whywasit____________?Boy1:Well,onedayacustomercameintherestaurantwhereGeorgeworked.Heordered__________________.Whenthepotatocame,hesaidtheywerecut__________andsentthembacktothekitchen.bymistakebyacookcalledbackin1853anaccidentaplateoffriedpotatoestoothickBoy2:Sowhathappened?Boy1:Well,Georgewasangrysohecutthepotatoesreally,reallythin,andhecookedthemforalongtime___________________.Andhe________________themsotheywerereallysalty.Hethoughtthecustomerwouldhatethem.Boy2:And?Boy1:Andthecustomerlovedthemand________________.Hetoldtheothercustomersaboutthem,andsooneveryonewasorderingthinly-cut,____________potatochips.Boy2:Andwe'restilleatingthemtoday.Whatacoolstory!Boy1:Yeah.untiltheywerecrispyputlotsofsaltonaskedformorecrispy,saltyHowmuchdoyouknowaboutpotatochips?Potatochips

bymanypeople.It

thatpotatochipsaremorethan150yearsold.Eventodaypotatochips

still

bymostpeople.They

byaccidentin1853.Theinventor

GeorgeCrum.Oneday,he

toservefriedpotatoesbyacustomer.Whenthepotatoescame,thecustomerthoughtthey

toothick.Thepotatoes

foralongtimeuntiltheywerecrispy.

somesalt________onpotatochips.arelovedissaidareenjoyedwereinventedwascalledwasaskedwerecutwerecookedisputTheHistoryofPotatoChipsWhenWhoHowResultWhy1853GeorgeCrumThecustomersaidthefriedpotatoeswerecuttoothickandsentthembacktothekitchen.Georgewasangry.1.Cutthepotatoesreally,reallythin.2.Cookedthemforalongtimeuntiltheywerecrispy.3.Putlotsofsaltonthem.Thecustomerlovedthemandaskedformore.Fillinthemindmap,thenretell.Manyinventionswereinventedbyaccident.Doyouknowhowsandwichwasinvented?ItissaidthesandwichwasinventedinEnglandinthe18thcenturybyJohnMontagu,4thEarlofSandwich.

Heaskedhisservantstoprepareachunk(大块)ofmeatbetweentwoslicesofbread,sothathecouldcarryongamblingwithoutstoppingtoeat.拓展阅读DiscussionWhatkindsofdeliciousfooddoesyourhometownhave?Haveyouevereatenhotpot?Hotpotisafeature(特色）foodofChongqing.WhentheChongqingnativesgettogetherwiththeirfriends,mostofthemwouldliketochoosehotpotastheirdinner.Hotpotisfamousforitsspicyandhot（麻辣），

If

you

are

adventurous

（有冒险精神）enough,

you

can

cook

anything

with

hot

pot.Lovefood,Lovehometown,Lovelife!爱美食，爱家乡，爱生活！bymistake为介词短语，意为“无意中；错误地”,相当于accidentally。mistake1.n.错误。makeamistake/makemistakes犯错误Iusedtomakemistakesinspelling．我过去常常犯拼写错误。2.v.弄错;误解Youmistookmymeaningentirely.你完全误解了我的意思。mistake...for...错把……当成……

Don'tmistakemeforanAmerican.不要把我误会成美国人。LanguagepointsImissedtheschoolbusbymistakethismorning.今天早上我无意中错过了校车。Itookyourpenbymistake.我错拿了你的钢笔。【语境领悟】1.bymistake为介词短语，意为“无意中；错误地”,

相当于accidentally。

►Imissedtheschoolbusbymistakethismorning.

今天早上我无意中错过了校车。►Itookyourpenbymistake.我错拿了你的钢笔。LanguagePoints【拓展】

mistake还可以构成短语：

makeamistake/makemistakes犯错误；

mistake…for…把……错认成……。例句：►2.Thecustomerthoughtthepotatoeswerenotthinenough.顾客认为土豆不够薄。单词enough修饰名词时，不需要倒装.如:我有足够的钱。餐厅里的食物不太够。►Thereisn’tenoughfoodinthedinninghall.其修饰形容词、副词要倒装。►Hewrotecarefullyenoughtogettheawardofthecompetition.Ihaveenoughmoney.enough常可以和词组so-that，too-to转换。如：他跑得不够快，赶不上其他人了。用enough►Hedidn’trunfastenoughtocatchupwiththeothers.用so-that►Heransoslowlythathecouldn’tcatchupwiththeothers.用too-to►Herantooslowlytocatchupwiththeothers.3.Thecustomerwashappyintheend.

顾客最终高兴了。(1)intheend后来，最后，终于

attheendof...

在……末

bytheendof...

到……末为止如：①这个月月末我们将会开个会。►Attheendofthismonthwe’llhaveameeting.②到去年末为止我们已经做了十架飞机了。►Bytheendoflastyearwe’vemadetenplanes.(2)intheend用一个单词表达可以是finally，用一个短语表达可以用atlast。

如：最后他赢了。

Hewonintheend.Hewonfinally.Hewonatlast.用括号内所给单词的适当形式填空。1.We

learned

that

the

seismograph（地震仪）

_____________（invent）

in

the

Han

Dynasty.2.Because

the

________（potato）

weren’t

kept

well,all

of

them

went

bad.3.The

potato

chips

were

invented

by

a

cook

______（call）

George

Crum.4.When

watching

the

raising

of

the

________（nation）

flag,we

should

stand

with

our

backs

straight.5.We

were

______（real）

nervous

because

of

the

exam.

We

tried

to

keep

calm.was

inventedpotatoescallednatio