________________________________________________crispysoursaltysweetsweetcrispysaltysoursaltyadj.脆的；酥脆的adj.酸的adj.咸的1afreshcolddeliciousadj.甜的sweet____________________________crispy____________________________salty____________________________sour____________________________Writethenameofadifferentfoodaftereachword.bananapotatochips1bsaltedfish/eggslemonDoyoulike?

potatochipscrispyandsaltyThehistoryofpotatochips1c

ListenandcircleTfortrueorFforfalse.1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.TFTFTFTFTFTFn.顧客錯誤地/無意中thinangry=atlast/finally最后ThehistoryofpotatochipsDoyouknowhowpotatochipswereinvented?Potatochips________________byacookcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcutthepotatoesreally,really______andthencookedthemforalongtimeuntiltheywere___________.Finallyheput

lotsofsaltonthemsotheywere_____________.wereinvented1853thincrispy1dListenagain.Completethesentences.reallysalty2.薯片是一個名叫喬治·克拉姆的廚師發(fā)明的。Potatochips_____________________acook_______GeorgeCrum.3.而且他在它們上面放了很多鹽。Andhe_______lotsofsalt_______them.完成句子。1.薯片是由于失誤而被發(fā)明的。Potatochips____________________________.

Exercisewereinventedbymistakewereinventedbycalledputon4.根據(jù)句意填入合適單詞。Candyis______,saltis______,vinegaris_____,andpotatochipsare_____.]sweetsaltysourcrispy

據(jù)漢語提示,完成下列句子。

1.Myclassmatetookmydictionary__________

(錯誤地).2.Amandiscoveredthisplace__________

(偶然地).3.Agirl________(掉進)thelakeandbegantosink.4.______________(最后)MikeandPeterbecamegoodfriends.5.He_________________(下決心)toworkhardthisterm.bymistakebyaccidentfellintoIntheend/Finallymadeadecision1.Woodcanbeusedfor______paper.A.makingB.tomakeC.made D.make2．-Doyouthinkthelightbulbswereinvented_____?–No,Idon’tthingso.A.bymistakes B.bymistakeC.formistake D.withmistakesA

B

Itisoftendifficulttodecideontheinventor(發(fā)明家）ofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.invent（發(fā)明）,doubt（懷疑）,mention（提及）,website（網(wǎng)站）,allofasudden（忽然）SelfCheck1.Completethepassagewiththecorrectformsofthewordsinthebox.invent想出/提出Someinventionscanalsoleadtootherinventions_____________.Sosomepeople_____whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor_______usually_______morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmention導(dǎo)致1.Someonestolemywatch. _________________________________2.Theyusedfiveeggstomakethisbigcake. __________________________________3.Whendidtheyinventthepersonal computer? ____________________________________________________________________Mywatchwasstolen(bysomeone).Whenwasthepersonalcomputerinventedbythem?Fiveeggswereusedtomakethisbigcake.2.Rewritethesesentencesusingthepassivevoice.4.Theyaskedusnottoruninthehallway.____________________________________________________________________5.Someonetookthevideobacktothestore.____________________________________________________________________Thevideowastakenbacktothestorebysomeone.Wewereaskednottoruninthehallwaybythem.常用句型：

1.Ithink…isaveryusefulinvention.我認為……是一項很有用的發(fā)明。2.…wasinventedby…

……是由……(某人)發(fā)明的3.