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必修2Unit3ComputersThehistoryofcomputerbeganin1642inFrance.It________(build)onlyasa___________(calculate)machineatfirst,___laterasananalyticalmachinethatcould“think”________(logic)andproduceananswerquickerthananyperson.Stilllater,the“universalmachine”isbuilt_______(solve)mathematicalproblems,______madethecomputerhuge!___theyearshavegoneby,thecomputerhasbeenmadesmaller,quickerand________(clever).Later,computerswereconnectedbynetworkandbrought_____commonpeople'shomestodealwithinformationandhelpcommunicationbetweenpeoplearoundtheworld.Since____birth,thecomputerhasalwaysbeendesignedtoservethehumanrace.tosolvewasbuiltcalculatingandAs课文回顾clevereritslogicallywhichinto重点单词自测1)_________(不管怎样),mygoalistoprovidehumanswithalifeofhighquality.2)Thetrafficonthemainstreetshaslongergreen_________(信号)thanthatonthesmallones.3)Thenshepreparesreliablemovestouseifanewsituation________(出现).4)Discusswhattheyhavein________(共同之处)．5)AsaresultI_______(完全)changedmyshape.Anyhowsignalsarisescommontotally词汇用法anyhow同义词是anyway，意思是“无论如何，即使如此”,放在首句，句中或句末。当用于转换话题时，意为“总之，反正，不管怎样”somehow意思是“以某种方式，设法，不知怎么地”同义词为“someway”，可表示“由于某种原因”somewhatadv.有点儿;有些;有几分p591)Iamnotfeelingquitewell,butIwillattendthemeetingtomorrow________.2)Althoughhisrelationshipwithhismotherhadimproved_________,hewasstilldepressed.3)Wemustgettheworkfinished_________bytomorrowmorning.anyhowsomewhatsomehowsignalvi.&vt.发信号n.信号p58(1)adanger/warningsignal危险/警告信号trafficsignals交通信号灯astopsignal停车信号(2)signal(to)sb.todosth.示意某人做某事signaltosb.向某人示意signal(sb.)that示意……signal,symbol,sign,marksignal指为某一目的而有意发出的信号symbol指作象征,代表,符号,标志或表达某种深邃意蕴的特殊事物sign指人们公认的事物的记号，也可指某种情况的征兆。mark既可指为便于辨认而有意做的标记，有可指自然形成的标记或有别于其他事物的特征。1)Agreenlight______thattheamountofthethreenutrientsarehealthy.2)Istoodup,_________tomymumthatitwastimetogohome.3)He________thatitwastimetoleave.用signal的适当形式填空signalssignalingsignaled选词填空（signal,symbol,sign,mark）1)Georgewasresponsiblefortheaccidentbecausehedidn’tgivea______tootherdrivers.2)Drivestraightahead,andthenyouwillseea______totheHefei—NanjingExpressway.3)Mandelahasbecomea________oftheblacksfightingagainstthewhitesinSouthAfrica.4)You’dbettermakea______whereyoudon’tunderstand.signalsignsymbolmarkarise/arouse/rise/raisep59原形过去式过去分词v.-ingarise(vi.)出现,发生,起因于arouse(vt.)唤醒,激起rise(vi.)升起,起身,增长,上升raise(vt.)举起,唤起,提高,饲养arosearisenarisingarousedarousedarousingroserisenrisingraisedraisedraising1)Let’sbeginbydiscussingmatters_______atthelastmeeting.2)It_______hisinterestinasubjectthathasgivenmeendlesspleasure.3)Thenextthinghesawwassmoke______frombehindthehouse.4)Afterthewarthestandardofliving__________rapidly.arisingarousesrisingwasraisedcommonadj.常见的，常用的commonknowledge人所共知的事实commonsense常识have...incommon与……有共同之处incommonwith和……一样(＝like)havelittle/nothingincommon没有相同之处havealotincommon有许多共同之处Itis__________________thattwinbrothersorsisters___________________inappearance.Buttherearetwinswho___________________incharacter.TakeJaneforexample._____________hertwinsisterMary，sheisbeautifulandcharming.ButunlikeselfishMary，Janeiskindandfriendly.commonknowledgehavealotincommonhavelittleincommonIncommonwith用上面所提到的短语完成短文阅读下列句子，注意total的搭配和意思p581)Thereareover4,000studentsintotalinourschool.(intotal意为altogether,inall)2)Why?Theroomisintotaldarkness.(totaladj.=complete)3)Thetownwastotallydestroyedaftertheearthquake.(totallyadv.=completely)4)Importstotaled$1.5billionlastyear.(totalv.)自主学习Thecompanyusedtohave230clerksin______andtheirincome________50，000yuanperyear.Butlastyearthingschanged______andtheproductscouldnotbesoldout.Mostoftheworkersbecameoutofwork，whichmadethemin_____despair.totaltotaledtotallytotal重点短语自测1)_________,hehasmadegreatprogressthisterm.2)Hestayedupplayingcomputergameslastnight.__________,hewaslateforworkthismorning.3)Threepolicemenwere_____________themurderer.4)Thesenovelsdonot__________reality.5)_______________therobots,theydidtheresearchunderthesea.asaresult,inaway,dealwith,watchover,withthehelpofInawayAsaresultwatchingoverdealwithWiththehelpofinawayp60allthewaybytheway顺便说innowayinthewayNoway![俚]别想！没门！makeone'swaytointhisway“在某种程度上”表达方式还有：toan/someextent,toa/somedegree,inasense从某一角度看；在某种程度上一路上;自始至终;完全一点也不;决不挡道;碍事朝...去以这种方法___________tothecinema，myfriendtoldmethatthefilmwasscary________，andhetalkedaboutfrighteningthings__________．OnthewayinawayallthewayInnoway__________________________practice.理论和实践决不能被分离。cantheorybeseparatedfromasaresultp60asaresultofresultfromresultin因此，结果由于……由……引起;产生于……导致Lastterm,hismotherwasworkinginAustralia._________,hefoundmuchdifficultybothinhisstudyandlife.____________beingleftalone,hehadtomakeeverymealforhimselfanddidmuchmorehousework.Buthedidn’twanttobeinfluencedtoomuch.Sohestudiedharderthanbefore.______________hishardwork,hegotgoodmarksinthefinalexams.Nowhecantellothersthatsuccess__________hardwork,andthatdifficultywill________firmdeterminationandstrongwill.AsaresultAsaresultofResultingfromresultsfromresultinThisislife,thisiswhatyouaregoingtoface,andthisiswhatyoudealwithit.p60Willyispainfullyawareofthis,andatalossastowhattodealwithhislackofsuccess.?howdodealwith意为“处理，对待