Unit6Whenwasitinvented？SectionB3a-SelfCheck课件人教版九年级英语全册2

Unit6

Whenwasitinvented?SectionB(3a-self-check)3ReviewthekeywordsandexpressionsinUnit6;2Putwhatwehavelearnedintowritingpractice;Learningaims1Beawareofthatpeopleinventthingsbecauseoflivingproblems.Soinventionsmakeourlifeeasier.ReviewReviewthekeyphrases.1.用......驱动

runon2.......的款式 thestyleof

3.在我们日常生活中

inourdailylives4.有道理

haveapoint5.掉入；落入

fallinto6.被用来做某事

beusedtodosth.=beusedfordoingsth.7.发生；出现

takeplace8.毫无疑问；的确

withoutdoubt9.以低价

atalowprice10.把......翻译成...... o...11.突然；猛地

allofsudden12.错误地；无意中 bymistake13.超过；多于

morethan14.历史上

inhistory15.把......分开

o16.同时

atthesametimeEnrichyourlifetoday,yesterdayisowismysteryWarmingupLet’stalkaboutinventions.Doyouknowanyfantasticinventions?Sharethemwithus.Enrichyourlifetoday,yesterdayisowismysteryProblem:quicklytakingnotesinclassNewinvention:aspecialpenWhatitisusedfor:3a

Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.Enrichyourlifetoday,yesterdayisowismysteryWhatisyourproblem?Emm,Ihavetotakenotesquicklyinclass,butIcanfollowtheteachersmostofthetime.Exchangeyourchartwithyourpartneranddiscussit.Sowhatdoyouwanttoinvent?…Enrichyourlifetoday,yesterdayisowismysteryReviewthekeysentences.1.它是什么时候被发明的？Whenwasitinvented?2.看来你说的确实有点道理。Youdoseemtohaveapoint.3.据说有一位叫作神农的中国统治者最早发现了茶可以饮用。ItissaidthataChineserulercalledShenNongwasthefirsttodiscoverteaasadrink.Enrichyourlifetoday,yesterdayisowismystery(2)Somekeywordsandexpressions.Thinkabouthowyoucanexpresstheideasinyouroutline.Listthekeywordsandexpressionsthatmaybeused.Ifyouhavedifficultiesinusingthesewordsandexpressions,youcanaskteachersandclassmatesforhelp.Therearesomeusefulexpressionsintheboxbelow.Youcanrefertotheseexpressions.While-writing(1)Outlinethewriting.Getstudentstooutlinethewriting.Considerwhataspectsyouwouldliketointroduceyournewinvention.Enrichyourlifetoday,yesterdayisowismysteryPost-writing(1)Askstudentstochangetheirwritingswiththeirdeskmatesanddopeer-editing.(2)Invitesomestudentstoshowtheirwritingstotheclass.Evaluatethemindetailsandpointouttheadvantagesanddisadvantages.Enrichyourlifetoday,yesterdayisowismysteryEnrichyourlifetoday,yesterdayisowismystery3bImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.Trytotellusthefollowinginformation:Whatisitmadeof?Whatisitusedfor?Whatdoesitlooklike?Whereorwhencanitbeused?Howmuchwillitcost?Enrichyourlifetoday,yesterdayisowismysteryThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor___________________________________________________________________________________________________________________________________________________________________________.Writeitlikethis:3bImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.Enrichyourlifetoday,yesterdayisowismysterySomeinventionscanalsoleadtootherinventions______________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmentionEnrichyourlifetoday,yesterdayisowismysteryRewritethesesentencesusingthepassivevoice.Mywatchwasstolen(bysomeone).Fiveeggswereusedtomakethisbigcake.Enrichyourlifetoday,yesterdayisowismystery1.Completethepassagewiththecorrectformofthewordsinthebox.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventions______________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.

inventallofasuddendoubt

websitesmentionSelfCheckEnrichyourlifetoday,yesterdayisowismystery2.Rewritethesesentencesusingthepassivevoice.Mywatchwasstolen(bysomeone).Fiveeggswereusedtomakethisbigcake.Wewereaskednottoruninthehallway.Thevideowastakenbacktothestore(bysomeone).Enrichyourlifetoday,yesterdayisowismystery3.Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:____________________________________________When:_______________________________________________Who:________________________________________________Purpose:______________________________________________Enrichyourlifetoday,yesterdayisowismystery一、用所给单词的适当形式填空。1.They____________(invite)totakepartintheMayDaycelebrationsinBeijing.2.The___________(popular)ofprivatecarsischangingthepeople’slifestyle.ExerciseswereinvitedpopularityEnrichyourlifeto