八年级英语上册 CHAPTER FOUR Computer technology课件（含音频） 牛津深圳版.ppt

一间半教室大 它由17468个电子管 6万个电阻器 1万个电容器和6千个开关组成 重达30吨 占地160平方米 耗电174千瓦 耗资45万美元 monitor keyboard mouse mainunit主机 drive cd rom dvd rom speakers flashdisk radio iron ricecooker tvset electricfan vacuumcleaner telephone washingmachine icebox airconditioner camera computer refrigerator fridge mobilephone cellphone reading lookatthepicturesofacomputerbelowandtrytowritethecorrectnameofthepartstocompletethesentences awhatdoyouknowabout monitor keyboard mouse mainunit主机 drive cd rom dvd rom speakers flashdisk 1 the showswordsandpictures 2 weusethe fortypingininformation 3 the storesinformation 4 the helpsuscontrolthecomputer 6 wecanhearthesoundfromthe 7 weputthe or intothe monitor keyboard flashdisk mouse speakers cd rom dvd rom drives blookandthink lookatthetitlesofthearticlesandthepicturesonthenextpage thendiscussthefollowingstatementswithapartnerandcorrectanymistakes trueorfalsecomputers areinsidemanymachinesinourhomes 2 candoimportantjobslikeflyingplanes 3 arealreadyclevererthanpeople f some t placesandspaceships not f while reading readhiddenhelpersandanswer whatare hiddenhelpers whydowecallthem hiddenhelpers hiddenhelpers arecomputers wecallthemhiddenhelpersbecausesometimestheyareinsidethemachine wemightbeunawareofthem listentotherecordingandfillintheblanks whatkindofjobscanacomputerdo computerscan 1 2 and 3 youand withyou 4 railways aeroplanesandspaceships calculate type print draw teach playgames operate fly whatkindofjobscanacomputerdo 1 isacomputerclevererthanhumanbeings why theanswer thisquestionis forthetimebeing becausehumanbeingshave understandingofthemeaningofthings computersandcan newideas 2 whatwillhappeninthefuturebecauseofcomputers onedaycomputersmaybeabletodomorethingsthanahumanbrainanddothembetter computerswillchangeourlives to no greater than create can beableto能够 isacomputerclevererthaniam cfindthemeanings c1findthesewordsandexpressionsinthepassage thenreadthewordsroundthemandchoosethebestmeanings hardlyevera sometimesb seldomc often2 tinya veryimportantb verybigc verysmall3 realizea allowb understandc decide4 operatea makesomethingworkb makesomethingstopc makesomethinggrow5 forthetimebeinginthepastb atpresentc inthefuture6 raisea liftupb putdownc bringtoourattention c1findthesewordsandexpressionsinthearticlesonpage45 thenreadthewordsaroundthemandchoosethebestmeanings c2findthewordsincolumnainthearticles thenreadthewordsaroundthemandchoosethemeansingfromcolumnb hiddenbeunawareofrailwaytypejudges atrackwithrailsonitseniorlawofficerswritesomethingwithacomputer typewriter etc d difficulttoseeorfinde donotknowabout a b ereadandthink peopleoftenexpectyoutogiveexamplestoexplainsomething readthestatementsbelowandgiveexamplestosupporteachone putonewordineachbank s1theremaybetinycomputersinyourhome s2where forexample s1insideyour or 2 s1computerscandomanythings s2canyougivemesomeexamples s1theycan and 3 s1computerscandosomeimportantjobs s2forexample s1computerscan and and tvsettelephone washingmachine calulatetypeprint draw operaterailways flyaeroplanesspaceships 4s1ahumanbraincandosomethingsbetterthanacomputer s2forexample s1itcan 5s1inthefuture computersmaychangeourlivesalot s2forexample s1wemanyhave createnewideas computerdoctorscomputerjudgescomputerteachers writeanarticleabout hardlyever seldom4 beunawareof beawareof 5 forexamplesuchas6 bedependenton dependon7 intheworld8 atthemoment9 befastatdoingsth begoodatdoingsth 写一篇关于 的文章 几乎没有 没有意识到 意识到 例如 依靠 信赖于 usefulexpressions 世界上 此时 目前 做 很快善长于 10 playgameswithsb 11 moreimportantly12 operaterailways13 flyplanesandspaceships14 forthesereasons15 electronicbrains16 theanswertothisquestion 和 一起玩游戏 更重要的是 操控铁路 操控飞机和宇宙飞船 由于这些原因 电子脑 这个问题的答案 usefulexpressions 17 forthetimebeing18 ofone sown19 beabletodosth 20 humanbrain21 happento 22 inthefuture23 changeourlives24 havenothingtodo25 makeourlivesbetter26 havegreatunderstandingof 暂时 属于 某人自己的 能够做 人脑 发生 在 将来 改变我们的生活 无所事事 usefulexpressions 使我们的生活更好 对 有很深的了解 1 tonycollectssomeinformationtowriteanarticleaboutcomputer 托尼为写一篇关于计算机的文章 收集了一些信息 information信息 不可数名词 ifyousurftheinternet youcanfind informationthere manyb anumberofc alotd much much little alittle some any alotof lotsof adealof enough no可修饰不可数名词 importanceanddifficulty 2 therearealsomanytiny hiddencomputersinyourhome butyoumightbeunawareofthem 在你家里也有微型的 隐藏的计算机 但是你没有意识到它们 hiddenhelpers神秘助手 hidden是过去分词作定语修饰后面的helpers abrokencup一只破怀子boiledwater开水fallenleaves落叶beunawareof don trealize know没有意识到反义 beawareof realize know意识到somestudentsareunawareoftheimportanceofenglishlearning importanceanddifficulty 3 youaremoredependentoncomputersthanyourealize 你比你意识到的更加依赖计算机 bedependenton依赖于 alllivingthingsaredependentonthesun 万物依靠太阳 翻译 中学生不应该太依赖父母 middleschoolstudentsshouldn tbedependentontheirparentstoomuch 拓展 dependon依靠 依赖翻译 好的健康依赖于好的食物 goodhealthdependsongoodfood importanceanddifficulty 4 theanswertothisquestionis forthetimebeing no 目前这个问题的答案是 不 theanswertothequestion这个问题的答案 这里要注意介词 to 的固定用法 拓展 thekeytothedoor门上的钥匙thewaytotheschool去学校的路theentranceto 到 的入口thereplyto 的回答但 theticketfortomorrow明天的票thehomeworkfortoday今天的作业 importanceanddifficulty 5 willcomputersmakeourlivesbetterorworseinthefuture 计算机会使我们将来的生活更好或更坏 makeourlivesbetter使我们生活更好此处是 make 宾语 宾补 形 名 过去分词 结构toomuchfoodmadehimill 形容词 wemakehimourmonitor 名词 ican tmakemyselfunderstood 过去分词 拓展 makesb dosth 使某人做某事mymotheralwaysmakesme housework a doingb todoc dod done importanceanddifficulty listentothesummaryofthetext fillintheblanksandthenreciteit workbookp39 inordertowriteanarticleaboutcomputers tony 1 someinformation nowheknowsalotabout 2 notmanyyearsago wecould 3 everseecomputers butnowtheyareeverywhere thereare 4 hiddencomputersinyourhome butyoumightbe 5 ofthem computerscandoalotofthings theyarefasterat 6 thanpeople theycanalsotype 7 anddraw collects computers hardly tiny unaware calculating print moreimportantly theycan 8 railwaysandflyplanesandspaceships forthese 9 weoftencallthemelectronic 10 butforthetime 11 computersarenotascleveras 12 beings wehave 13 understandingofthemeaningofthingsthancomputersandcanalso 14 new 15 ofourown however onedaycomputersmaybeabletodomorethingsthanahumanbrain operate reasons brains being human greater create ideas fillinginanorderform mabelwangisorderingsomeofficeproductsforhercompany youarethemanfromtopofficesupplies listentotherecording andcompletethedetailsofmabel sorderontheformbelow afteryoufinish workoutthegrandtotal listening fillinanorderform填写一张订单表格payattentionto注意productn 产品quantityn 数量asquicklyaspossible尽可能快supplyn 供应 提供ordern 订单v 下订单 命令companyn 公司referencen 标识 编号ballpointpenn 圆珠笔pricen 价格mediumadj 中等的 中号的 usefulwordsandexpressions topofficesuppliescompanyname customername customerno hi locompany mabelwang ky 73620 p 1961 white 10boxes 30 300 c 4091 keyboard 1 190 1800 2404 c 4083 officechair 1800 1 black language adjective形容词 athecomparativeofadjectives whenwecomparetwothings weadd ertoshortadjectivesandusemorewithlongadjectives weoftenusethanwhenwecomparetwothings examples cheap cheaperhigh higheruseful moreusefulexpensive moreexpensivebooksarecheaperthancomputers computersaremoreexpensivethanbooks 形容词的比较级和最高级 bthesuperlativeofadjectives whenwecomparetwothings weadd esttoshortadjectivesandusemostwithlongadjectives weusuallyusetheinfrontofasuperlative examples fast fastestlong thelongestdifficult themostusefulinteresting themostexpensive moneyisvaluable timeismorevaluablethantime wateristhemostvaluableofall 形容词的比较级和最高级 liuxiangis yijianlianis liuxiang yaomingis ofthethree tall tallerthan thetallest 注意 最高级后面可用in of among等短语来说明比较范围 america russia americaisvery chinais america russiais ofall large largerthan thelargest jade diamond 1 000dollars 500dollars 10 000dollars thejadeisvery thecomputeris thejade thediamondis amongthem expensive moreexpensivethan themostexpensive 规则变化 形容词比较级和最高级的构成 形容词比较级和最高级的构成 形容词比较级和最高级的构成 cthecomparativeandsuperlativeofgood badandfar 1 nice 2 thin 3 early 4 hot 5 happy 6 easy 7 difficult 8 beautiful 9 popular 10 careful 11 good well 12 bad ill 13 many much 14 little 15 far 默出下列形容词的比较级与最高级 nicernicest thinnerthinnest earlierearliest hotterhottest happierhappiest easiereasiest moredifficultmostdifficult morebeautifulmostbeautiful morepopularmostpopular morecarefulmostcareful betterbest worseworst moremost farther furtherfarthest furthest lessleast completethesentenceswiththecamparativeformsofthegivenadjectivesinthebox add than ifnecessary 1 avais18 hersisteris21 avais hersister 2 levruns1milein7minutes dorisneeds8minutes dorisis 3 annikahasalotoffriends herbrotherhasonlyone annikais 4 johnpays 50forhisshoes hisbrotherspays 100forhis john sbrother sbuys shoes youngerthan slower morepopular moreexpensive 5 lea sroomis20squaremetres hersister sis12squaremetres lea sroomis hersister s 6 toddweighs125pounds hisbrotherweighs110pounds toddis hisbrother 7 natalieis1 55metrestall hersisteris1 6metrestall natalieis largerthan heavierthan shorter p49a davidisgoingabroadforthefirsttimeandneedstobuyasuitcase heistalkingtoasalesmaninashop usetheadjectivesintheboxtocompletetheirconversation keys 1 moreexpensive 2 cheaper 3 heavier 4 lighter 5 bigger 6 smaller p50b b1pansyisshoppingforacamera lookatthepicturesandwritethecorrectlettersorthecamerasaftereachstatement keys b 2 a 3 c 4 c b2later pansytoldtonyabouthershoppingtrip completepansy ssentenceswiththeadjectivesinthebox keys mostexpensivemodel 3 580oldestmodel2006lightestmodel0 16kg p50 b3workinpairs s1asksthequestions s2givestheanswers followtheexample remembertousethewiththeadjectives examples big earth themoonorthesun s1whichisthebiggest earth themoonorthesun s2thesunisthebiggest keys 1s1whichisthesmallest abee abutterflyoranant s2theantisthesmallest p50 b3workinpairs s1asksthequestions s2givestheanswers followtheexample remembertousethewiththeadjectives examples big earth themoonorthesun s1whichisthebiggest earth themoonorthesun s2thesunisthebiggest keys 1s1whichisthesmallest abee abutterflyoranant s2theantisthesmallest p51 2s1whichisthelargest theatlantic thepacificortheindianocean s2thepacificisthelargest 3s1whichisthemostvaluable iron silverorgold s2goldisthemostvaluable 4s1whichisthehottest thenorthpole thesouthpoleorthegobidesert s2thegobidesertisthehottest 5s1whichistheheaviest abear awhaleoranelephant s2awhaleistheheaviest 6s1whichisthefastest arocket aplaneoratrain s2arocketisthefastest p51c lookattheschoolrecordbelowandworkinpairs s1asksquestionsaboutit withthecorrectformoftheadjectivesinbrackets s2replies keys 3 hastheworstmarks pauline4 hasbettermarks daisy5 hasbettermarks alice6 hastheworstmarks eric7 farther belinda s8 thefarthest eric 形容词 比较级的基本句型 拓展 形容词比较级的基本句型 1 a b或a b 比 i mmuchtallerthanmyfather tomismorecarefulthanhiselderbrother 2 a b c或a b c 最 maryisthetallestgirlinherclass thisisthemostdifficultofthethree 3 a b 和 一样 thisexerciseisaseasyasthatone tomisastallasjohn 4 a b 不如 ourclassroomisn tas socleanasyours tomisnotso astallasjohn 拓展 形容词比较级的基本句型 5 最 之一shanghaiisoneofthebiggestcitiesintheworld mybrotherisoneofthebeststudentsinhisschool 6 moreandmore 越来越 itisgettin