Unit 6 Section B（1a-1e）课件.ppt

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1、Unit6Whenwasitinvented?人教九年级英语SectionB（1a-1e）课前预习Whatdidtheyeat?Ice-cream.Whatdidthedogthinkoftheice-cream?Sweet,cool,anddelicious!课前预习Salty(咸的)Ittastesbitter.Ittastessalty.bitter(苦的)Howdoesittaste?课前预习Ittasteshot.Ittastessour.sour(酸的)hot(辣的)Howdoesittaste?课前预习Howdoesitta

2、ste?Ittastescrispy.Ittastessweet.sweet(甜的)crispy(脆的)1aThewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.sweetcrispysaltysour______________________________crispysaltysoursweetsaltyPracticeTFTF1cListenandcircleTfortrueo

3、rFforfalse.1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.TFTFTFTF1853weretoothicknotmentionedHewassoan

4、gry…askformoreWhathappenedthen?PracticeThehistoryofpotatochipsDidyouknowhowpotatochipswereinvented?Potatochips________________byacookcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcutthepotatoesreally,really______andthencookedthemforalongtimeuntiltheywere___________.

5、Finallyheputlotsofsaltonthemsotheywere_____________.wereinvented1853thincrispy1dListenagain.Completethesentences.reallysaltyPractice课文解析1.Potatochipswereinventedbymistake.mistake作名词“错误，误会”。也可以作动词“弄错，犯错”。常见形式有：（1）makeamistake出错例：Youhavemadeamistakehere.（2）mistake…for…错把……当

6、作……例：Theymistookhimforhisbrother.（3）bymistake错误地例：Theysentthelettertomebymistake.课文解析2.salty咸的salty(tastingofsalt)形容词，意为“咸的；含盐的”，是由名词salt(盐)加后缀-y构成的。例：Thesoupisalittlesaltyforme.汤对我来说有点咸了。名词+后缀-y构成的形容词：luck—luckyhealth—healthywind—windyrain—rainytaste—tastyice—icysnow—sno

7、wysun—sunny课文解析3.in the end最后，终于(相当于finally或atlast)例：Iwassavedintheend.我最后获救了。by the end常和of相连，用于指时间，意为“到……底(末)为止”at the end of可以指时间，也可指处所，意为“在……尽头，在……结束时”。THEENDTHANKS