人教版新目标九年级英语Unit6_when_was_it_invented_Section_B-3a

人教九年级英语Unit6Whenwasitinvented?SectionB3a-SelfCheckInventionsareeverywhereinourlifeInventionsareeverywhereinourlifeInventionsareeverywhereinourlife3a.Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.ProblemquicklytakingnotesinclassNewinventionaspecialpenWhatitisusedfor.......3b.Imagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…•ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip’smemory,thenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandalltheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.bakery面包店,西饼店,面包房SelfCheckinventdoubtmentionnearlywebsiteallofasudden1.Completethepassagewiththecorrectformsofthewordsinthebox.Itisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhichare______thesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventions_______________.Sosomepeople________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor______usually________morethanoneinventorwhengivinginformationaboutinventions.inventnearlyallofasuddendoubtedwebsitemention语法重点一Sosomepeopledoubtedwhethertheinventorcameupwiththeideahim-selforherself.(1)该句是包含宾语从句的主从复合句。这样的结构要注意主句如果是过去时态，从句一般要用相应的过去时态（客观事实除外）。如：Lastclassourphysicsteachersaidthatthemoongoesaroundthesun.Hesaidhewouldgobackhomenextmonth.语法重点一(2)comeupwith想出注意类似词组catchupwith赶上keepupwith紧跟。IwanttocatchupwithhiminEnglishstudy.Don’tfallbehind,keepupwiththeothers.2.Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch.____________________________________2.Theyusedfiveeggstomakethisbigcake.____________________________________3.Whendidtheyinventthepersonalcomputer?____________________________________4.Theyaskedusnottoruninthehallway.____________________________________5.Someonetookthevideobacktothestore.____________________________________Mywatchwasstolenbysomeone.Fiveeggswereusedtomakethisbigcake.Whenwasthepersonalcomputerinvented?Wewereaskednottoruninthehallway.Thevideowastakenbacktothestore.3.Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention_________________________When_________________________Who_______________________Purpose________________语法复习一般过去时的被动语态一、一般过去时被动语态的用法一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作。其结构为：主语(动作承受者)+was/were+过去分词(+by+动作发出者)构成,其否定形式was/were后加not。如：IwastaughtbyMissZhaolastyear.Thoseletterswerewrittenbyafamouswriter.【注意】被动语态还可用于：强调动作的承受者，而不强调动作的执行者。如：ThewindowwasbrokenbyMike.Thisbookwaswrittenbyhim.二、主动语态变被动语态的方法(1)把主动语态的宾语变为被动语态的主语。(2)把谓语变成被动结构(be＋过去分词)(根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的时态来决定be的形式)。语法复习(3)把主动语态中的主语放在介词by之后作宾语,将主格改为宾格。Allthepeople(主语：动作的发出者)laughedathim（宾语：动作的承受者）.He（主语：动作的发出者）waslaughedatbyallthepeople.（宾语：动作的承受者）小结训练：(2013•河北）1.Annie______totheparty.Shehadawonderfultimewithus.A.invitesB.isinvitedC.wasinvitedD.hasinvited(2013•玉林)2.Manyhouses______intheearthquakeofApril20,2013inYa’an.A.isdestroyedB.aredestroyedCwasdestroyedD.weredestroyed(2013•泰州)3.—“Frog”，MoYan'slatestnovel,please!—Sorry,it________justnow.Butitwillcomeoutagainsoon.A.soldoutB.issoldoutC.hassoldoutD.wassoldoutCDD小结训练：(2013•雅安)4.一Whodesignedthisgame?一It_______byTomin1999.A.isdesignedB.designsC.wasdesignedD.designed(2013•临沂)5.—DoyouknowEarthDay?—Sure.It_______in1970totellustoprotectourplanet.A.setsupB.setupC.issetupD.wassetup(2013•衢州)6.Lotsoffoodandwater______Ya’an,SichuanProvinceimmediatelyaftertheearthquakehappened.A.weresentB.aresentC.sendD.sentCDA1.完成课时作业。2.熟读并背诵SelfCheck1。