八年级英语上：Unit 3 Modern machines单元课件上海牛津版.ppt

unit3modernmachines funtime watchtheflash warming up brainstorming what sthemostcommonelectricmachineyou veknown whatdoyouthinkofwhenyouheartheword computer differentpartsofthecomputer namethefollowing tellwhattheyare monitor mainunit speakers cd romdrives mouse keyboard floppydisk usbdisk diagramsandgraphs calculator humanbrain givenamestodifferentpartsofthecomputer floppydisk cd rom monitor keyboard mainunit drive mouse speaker the showswordsandpictures youusethe fortypingininformation the recordsinformation the helpsyoucontrolthecomputer the containsallthecomputer selectronics wecanhearthesoundfromthe weput intothe inthemainunit monitor keyboard floppydisk mouse mainunit speakers cd roms drives writethenamestocompletethesentences needingsomeoneorsomethingalinedrawingthatshowshowsomethingworksveryimportant necessarynowalmostneveraseniorlawofficercontrol keeprunningmentionsomethingforpeopletodiscussortodealnotoften seldomnotice knowaboutnotknowingabout dependent diagram essential forthetimebeing hardlyever judge operate raise rarely realize beunawareof vocabulary 12togetthingsfromdifferentplacesandbringthemtogether13someonewhomakesaspeech apartofaradioorrecorderwherethesoundcomesout14informationthattellsyouhowtousesomething15factsordetailsthattellsyousomethingaboutapersonorasituation16tomakesomeoneorsomethingdowhatyouwant collect speaker instruction information control 17putorkeepsomethinginaplacewhereitcan tbeeasilyseenorfound18avehicleforcarryingpeoplethroughspace19toknowandunderstandingtheimportanceofsomething20asshownbysomethingorsaidbysomeone21atthistime now22tobecausedasaresultofanevent todoorhavesomethingbychance hide spaceship realize accordingto atpresent happento matchthewordsincolumna withthemeaningsincolumnb a1beunawareof2tiny3diagrams4operate5forthetimebeing6judges7raises bamake it workbpeoplewhomakelegaldecisionscverysmalldatpresentebringstoourattentionfdonotknowaboutgsimpledrawings reading listentothetape trytounderstandtheinformation bfindthefacts readtony sinformationaboutcomputersandcorrectthewrongstatements computers 1maybeinsidesomemachinesinourhomes 2candounimportantjobslikeflyingspaceships 3candotasksaccordingtotheprograms 4atpresentareclevererthanpeople correct important correct notcleverer readthestatementsbelowandonpage48andgiveexamples putonewordineachblank 1computerscandrawthings forexample diagramsandgraphs 2computerscandosomeimportantjobs forexample and dreadandthink operatingrailways flyingaeroplanes flying spaceships readthestatementsbelowandonpage48 49andgiveexamples putonewordineachblank dreadandthink 3 theremaybetinycomputersinyourhome where forexample insideyour 4 ahumanbraincandosomethingsbeterthanacomputer forexample tvset telephoneorwashingmachine creatingnewideas readthestatementsbelowandonpage49andgiveexamples putonewordineachblank dreadandthink 5 infuture computersmaydosomejobsbetterthanpeople whatjob forexample a job 6 infuture computersmaychangeourlivesalot forexample wemayhave doctor s judge s teacher s nothingtodo readthestatementsbelowandonpage49andgiveexamples putonewordineachblank dreadandthink 7 cd romscanholdmorethingsthanbooks what forexample and aswellaswriting pictures sound deeperunderstanding readthepassageparagraphbyparagraphtogetmoreinformation while reading readparagraph1 2andanswer whatare hiddenhelpers whydowecallthem hiddenhelpers hiddenhelpers arecomputers wecallthemhiddenhelpersbecausesometimestheyareinsidethemachine readparagraph3carefullyandfillintheblanks computerscan 1 2 and thingslikediagramsandgraphs 3 youand withyou 4 railways aeroplanesandspaceships while reading calculate type print draw teach playgames operate fly while reading iscomputercleverthanahumanbrain atpresent thehumanbrainhasgreaterunder standingofthemeaningofthingsthancomputers whatmayhappeninthefuture onedaycomputermaybeabletodosomeofourjobsbetterthanwecan howwillourliveschange computermaymakeourlivesbetter howdowegiveacomputerinstructions first peoplewritedifferentcomputerprograms second peopleputtheprogramsintothecomputer requirement itisessentialforpeoplenottomakemistakes whichcomputerisbetter theonewithcd romsortheonewithafloppydisk acomputerwithcd romsismuchbetter computersusecd romscanholdhugeamountsofinformationandalsopicturesandsounds wecanuseacomputertoreadaboutafamousperson seeaphotoorafilmofhimorher andsoon findoutthephraseswhilereading 神秘助手读到 获悉一个名人3把程序写进电脑4计划写一篇关于电脑的文章5编写电脑程序6收集信息7几乎不8察觉不到9对 更依赖10目前11暂时12不是很久以前 hiddenhelperreadaboutafamouspersonputaprogramintothecomputerplantowriteanarticleabout oncomputerwritecomputerprogramscollectsomeinformationhardlyever scarcelybeunawareofbemoredependenton atthemoment atpresentforthetimebeingnotsomanyyearsago washingmachinebefastatcalculatingtheanswertothisquestionoperaterailwaysandflyaeroplanesforthesereasonshumanbrains ahumanbrainraiseinterestingquestionssomethinghappentosb makeourlivesbettercd romdrivesit dessentialforpeoplenottomakemistakes bemoreusefulthanafloppydisk 13洗衣机14运算得很快15问题的答案16控制火车运行和飞机飞行17因为这些原因18人脑19提出有趣的问题20某人发生某事21使我们的生活更好22光盘驱动器23对人们来说不出差错更为重要24比软盘更有用 paraphrasethesentences notmanyyearsago youhardlyeversawcomputers not ago you sawcomputers 2 nowpeoplecanseecomputerseverywhere peoplecanseecomputers 3 youmightbeunawareofthedangerroundyouyoumight thedangerroundyou 4 isacomputerclevererthaniam ami acomputer 5 peopleshouldnotmakemistakes itisessential it s 6 probablycd romswillsoonbemorepopularthanbooks books long hereandthere notknowabout lesscleverthan essentialforpeoplenottomakemistakes maybewillbelesspopularthancd roms today scarcely 7 youshouldnotbedependentonyourparentsallthetime 8 computerrarelygivewronganswer 9 computerscanoperaterailwaysandflyaeroplanesandspaceships 10 thisraisesinterestingquestions 11 computercanalsocontainpicturesandsound 12 youcanuseacomputertoreadaboutafamouspersoninhistory need seldom control talksabout writesabout include findoutinformationabout on completethepasssage tony towritean aboutcomputers he ll someoftheinformationatthelibrary nowcomputerareeverywhere theremaybe computersinyourhome butyoumightbe ofthem wegive toacomputersbyrunningaprogramonit soit s forpeoplenottomake whentheywriteprograms computersarefastat theycanalso anddrawthingslikediagramsandgraphs moreimportantly theycan railwaysandflyaeroplanesand forthesereasons weoftencallthem brains todaycomputers cd romdrivescan alotofinformationsothatwecaneven avideoofafamouspersonon plans article collect tiny hidden unaware instructions essential mistakes calculating print operate spaceships electronic with hold see it useyourhead rememberthesebasicsentencesaboutcomputers 1 theremaybetiny hiddencomputersinyourhome peoplearemoredependentoncomputersnow 2 peoplewritecomputerprogramsandputthemintoacomputer itisessentialforpeoplenottomakemistakes 3 computersarefasteratcalculatingthanpeopleare 4 moreimportantly theycanoperaterailwaysandflyaeroplanesandspaceships 5 youcanreadaboutafamouspersoninhistorysuchasjohnf kenndy 6 forthesereasons weoftencallthemelectronicbrain 7 isacomputercleverthanahumanbrain forthetimebeing theanswertothisquestionis no 8 however onedaycomputersmaybeabletodomorethingsanddothembetter 9 whatwillhappentoourlives willwehavenothingtodo wordstudy 1 dependentadj 1 needingsomeoneorsomething2 accordingtowhatelsehappenedorwhereelsesthelsechangesbedependenton upon for 3 dependv it thatdepends 依赖 依靠 取决于 youshouldnotbedependentonyourparentsallthetime 2 theyoungaretotallydependentontheirparentsforfoodandshelter 3 howmuchyougetpaidisdependentonhowmuchyouproduce 4 areyougoingtovisithim well itdepends 5 indiabecameindependentin1947 看情况而定 independent 独立自主 2 essentialadj sth thatisimportantsth beessentialfor itisessentialthat itisessentialtodo essentiallyadv water life ifyou regoingwalkinginthemountain strongboots youshouldwinthevoters hearts setourgoalrealistically 现实可行 thecharityprovides 提供 homelesschildrenwith likefoodandclothing theplanisworthwhile 值得 butsomechangeshavetobemade isessentialfor areessential it sessentialthat it sessentialto essentials essentially 3 hardlyeveradv almostneverhardadj adv behardonsb it shardonsbdoingsthhaveahardlife timecan couldhardlydo hardlyany veryfew heworked lastnightand hadarest thekidshavingtheirfatherinhospital youmustn tbetoo david hehasbeenunderalotofpressure miners 矿工 usedto inthepast thechildrenweresoexcitedthatthey speak there s foodleft wehavetobuysome 无情 苛刻 对某人很不容易 生活拮据 几乎不 几乎没有 hard hardly itishardon hardon haveahardlife couldhardly hardlyany 4 judgev toformorgiveanopinionjudgesth sbtobe n adj judgingby fromn aseniorlawofficer thechairpersonattrialsjudgment judgement br e n opinion the putthecriminalsinjail i it bettertotellhim thecourt him guilty trevor thedistance about30yards whathesaid hemustbeanhonestman thelookonherface thenewsmusthavebeenterrible 判断 评定 依据 根据来 判断 评定 judge judged tobe judged tobe judged tobe judgingfrom judgingby 5 v control keeprunningoperateoperated operated operatingoperationoperateonsb haveanoperationonsb for control操纵 操作 work有效生效 howdoyouoperatethisnewrecorder computerscanoperaterailways canyouoperatethecomputer thesleepingpillsoperatedatonce thedoctorisoperatingontom sleg that sjustthewaysheoperates thesurgeondecidedtooperateonher thecompanyoperatestenfactories 动手术 work工作 动手术 经营 6 notoften seldomrarelyadv rareadj it srare forsb todo rarer rarest people eatsnakeintheuk wenowgotothecinemaonvery occasions 3 forhertomissadayatschool 4 forhimtobeabsent 5 i goshopping morerarely mostrarely rarely rare it rare it rare rarely 7 notice knowabout achievesomethingrealizev realize n realize that wh realizationn ididnotrealizeyouweregoingtoleave irealizehowmuchhemeanstoyou peoplenowhaverealizedhowseriouspollutionis laterwerealizedthatwemetbeforeinparis suddenlysherealizedwhatwashappening hefinallyrealizedhishope noneofusrealizedthedangerwewerein 意识到 意识到 实现 觉察到 意识到 notknowingaboutunawareadj be seem remain unawareofsth be seem remain unawarethat clausethestudentwasunawareofhismistake mikeseemsunawareofthetroubleheiscausing sheremainedunawarethatshewasbeingwatched 那个学生还未意识到他的出错误 mike似乎还未意识到他所若的麻烦 她一直未觉察到自己在被监视 9 tomakesb orsthdowhatyouwantcontrolv n controlsth sb can tcontrol beincontrol beinchargeofbein underthecontrolof beinthechargeofcontroloneself one stemperlosecontrolof havenocontrolof theteacher theclass they retoonaughty theteacher theclass thisbutton thetemperatureofthebuilding thecompanystrictly thequalityofitsproducts angertookawayhis hecouldn t hecouldn t his thedepartmentwas ofthompson thompsonwas ofthedepartment withthehelpofthefiremen thefirewassoon can tcontrol losescontrolof controls controls control controlhimself controltemper underthe inthecontrol incontrol undercontrol 控制 管理 指挥 统治 支配 克制自己 失去控制 管理 10 1 beinaparticularplace adj 2 happeningorexisting agift noun 3 togivesthtosb verb present bepresentat beabsentfrom atpresent now atthistime atthemoment presentsthtosb presentsbwithsth givesbsth howmanypeople themeetingyesterday 2 whatisyour address 3 ms hellmanisbusy cansheringyoulater 4 david smanager him acarforhisgoodwork 5 adollisa toeachofthechildrenfromgranny granny adoll eachofthechildren 到场的 出席的 现在的目前的 赠于 给予 授予 werepresentat present atpresent presented with present presentedto differenceamong present now atthemoment oral口语 usingthewords 1 computerscandotasksa theprograms 2 seawaterc salt 3 wewanttoknowwhatwillh ourlivesinthefuture4 wecanhearthesoundfromthelouds oftheschoolbroadcasteveryday 5 weusem tocontrolcomputers 6 iamnotfreea i mafraidican tgowithyou ccordingto ontains appento peaker ouses tpresent i completethesentences usingwordswiththegivenletters 7 ifthebankisclosed youcangetsomemoneyfromtheatmm 8 weusethek fortypinginformation 9 whatareyoudoing iamlookingforsomei abouttraveling 10 computercantype p anddrawdiagrams 11 readthei beforeyouusethismedicine 12 doyoulikec stamps 13 withoutp computerscan twork achine eyboard nformation rint nstruction ollecting rograms fillintheblankswithcorrectwords the showstheincomeofthefamiliesinourcity wateris forlife wecan tlivewithoutit youshouldnotbe onyourparentsallthetime yoursalarywillbe5000yuanamonth he doessportsafterschool diagram essential dependent forthetimebeing hardlyever rarely the showstheincomeofthefamiliesinourcity wateris forlife wecan tlivewithoutit youshouldnotbe onyourparentsallthetime yoursalarywillbe5000yuanamonth he doessportsafterschool diagram essential dependent forthetimebeing 6 the decidedthatthemanwasguilty 7 nooneknowshowto thisnewmachine 8 thereport somequestionsaboutlawandorderinourcity 9 hedidn t howimportanthismotherwasuntilshedied 10 thestudentwas ofhismistake 11 helost ofthecarwhenhespeddowntheslope 12 alotofpeopleworkin inshenzhen makingtvset computersandsoon judge operate raises realize unaware control electronics freetalk computerstodayandtomorrow howpopularisthecomputernow howisitabletowork whatkindofworkcanitdo howdoesitwork whatdoyouthinkofacomputer computersarealwayschanging imaginewhatwillhappentoourlivesinthefuture questionstohelpyoutalk listening listentotherecording andcompletethedetailsofmabel sorderontheformonpage50 thewordsandpicturesmayhelpyou afteryoufinish workoutthegrandtotal vocabularyinthelistening 1screenfilter2placeanorder3enterprise4customer5referencenumber6total7medium8deliver 屏幕过滤器下订单企业 公司顾客编号总数中等的运送 递送 p 1691 white 10boxes 30 300 c 4091 screenfilter 1 480 d 2791 floppydisks 5boxes 75 375 c 4083 officechair black 1 1 800 1 800 3 069 language thecowisbiggerthanthesheep thehorseisthebiggestofall big bigger biggest thesheepisbig thesmalldogrunsfast thebigdogrunsfasterthanthesmalldog fast faster fastest thebirdfliesthefastest howdoyoulikethesechristmastrees 123 thefirstchristmastreeisbeautiful thesecondoneismorebeautifulthanthefirston thethirdoneisthemostbeautifulofthethree jim lilei tom lileiistallerthantom jimisthetallestofall 30 20 10 theyellowcoatischeaperthanthepurpleone thebrowncoatisthecheapestofthethree 形容词和副词的比较级和最高级 thecomparativeandsuperlativedegreesofadjectivesandadverbs 英语中有时需要对两者进行比较 这时就需用形容词或者副词的比较等级 比较等级分为 原级oldlate比较级olderlater最高级oldestlatest 形容词和副词的比较级和最高级 1 形容词比较级和最高级的构成 规则变化 1 irregular good well bad badly ill many much littleoldfar 不规则变化必须逐个记住 betterbestworseworstmoremostlessleastolder elder oldest eldest fartherfarthestfurtherfurthest 原级 1 as 形容词 副词的原级 as 与 样 2 notas so 形容词 副词的原级 as 与 不 样 3 less 形容词 副词的原级 不如 4 least 形容词 副词的原级 最不 5 too 形容词 副词的原级 todosth 太 而不能 6 so 形容词 副词的原级 that从句 如此 以至于 7 形容词 副词的原级 enoughtodosth 足够 能做 patternsofcomparison ais 比较级thanb ais 最高级 of 个体名词 ais 最高级 in 集体名词 比较级与最高级 1 形容词 副词的比较级前也可用much even still far any alittle abit alot 数词 倍数等修饰 iamnearlyfiftyyearsolderthanyou englishisfarmoreusefulthanwethink 比较级 and十比较级 表示 越来越 ourcountryisbecomingstrongerandstronger themore themore表示 越 就越 themoreyouread thebetteryourenglishwillbe 比较级的特殊用法 note 副词的最高级前通常不加定冠词the practiceinclass 1 large 2 nice 3 dry 4 thin 5 good 6 bad 7 clever 8 happy 9 heavy 10 fat 11 well 12 ill 13 many 14 much 15 beautiful largerlargest nicernicest drierdriest thinnerthinnest betterbest worseworst cleverercleverest happierhappiest heavierheaviest fatterfattest betterbest worseworst moremost moremost comparativeandsuperlativedegreesofthefollowingadjectives morebeautiful mostbeautiful 16 little 17 far 18 old 19 early 20 interesting 21 excited lessleast fartherfarthest olderoldest earlierearliest moreinteresting moreexcited themostexcited themostinteresting fillintheblankswiththeproperformofthewordsgiven mysisteris thanrichard old hehas homeworktodothanidotoday much isfootball thanvolleyball exciting thetownis thanitusedtobe clean i m thanhisbrother jim clever ithinkshelooks thaninthephoto pretty older more moreexciting cleaner cleverer prettier 7 thisroadis thantheotherone dangerous 8 thisproblemis thanithought important 9 canyouwalk thanayoungman far 10 insummeritismuch inwuhanthaninbeijing hot 11 whichis room201orroom108 bright 12 tomis boyinourclass old moredangerous moreimportant farther brighter hotter theoldest 12 thisis citythatwehaveevervisited goo