湖南省株洲四中高中英语《M7 Unit 1 Period One Welcome to the unit》课件 译林牛津版选修7.ppt

unit1livingwithtechnology unit1 welcometotheunit scienceandtechnologyplaysanimportantroleinexploringtheunknownfieldsandrealizingthedreamsofourancestors 祖先 hightechnologyhasadirecteffectonourlife whatelectricalandelectronicappliances 电器 doyouhaveathome lead in whichdoyouthinkisthemostuseful whatelectricalandelectronicproductsdoyouuseinyourstudiesandinyourlife aretheyhelpfulorjustmakeyoulazier discussion electronicdictionariesgivestudentsquickresponsesintheirreading studentsusingelectronicdictionariesneedlesstimeinreadingthanthosewhousepaperdictionaries moreover electronicdictionariescanprovidecorrectpronunciationtostudents whichapaperdictionarycannot thenumberofpeopleusingelectronicdictionariesisincreasinggreatly whatdoyouthinklifewouldbelikewithouttheseproducts discussion whatconclusioncanyoudrawfromtheads manhasmaderemarkableprogressinthisareainthelastfewdecades what syouropiniononthis theyareinventedtomeetpeople sneeds theyhaveimprovedpeople slivestosomedegree theyaredevelopingveryquickly theradiationfromsomeoftheelectricalandelectronicdevices suchasmobilephones maybeharmfultopeople shealth whenpeoplebuynewelectricalofelectronicdevices theythrowawaytheoldones thismaygeneratelargeamountofwaste whichisharmfultotheenvironment picture1 comparethetvinthepicturewiththetvinyourhome 1 antennaeontop2 thesmallscreen3 onlyblackandwhitepictures4 noremotecontrol thecontrolpanelwasononesideofthescreen developmentoftv black and whitetv colourtv lcdscreen picture2 howdidpeoplerecordmusicinthepast putthetapesintotherecorder thenplaythetapewithmusicatonesideandplaytherecordbuttonattheothersidetorecordthemusicontotheblanktape howdopeoplerecordmusicusingacomputer copythemusicfromacdtothecomputerusingrecordingsoftware themusicwillthenbedigitalizedandstoredinandplayedbyanmp3player gramophone 留声机 radio taperecorder mp3 cdplayer developmentofaudio 音响 device desktop laptop palm developmentofcomputer picture3 howdoyoulookupawordinapaperdictionary thewordsinapaperdictionaryarearrangedinalphabeticalorderfrom a to z weneedtolookatthefirstletterofthewordanduseittosearchinthedictionary iftwowordsstartwiththesameletter welookatthesecondlettertodecidethealphabeticalorder ifthefirstandthesecondlettersarethesame welookatthethirdletterandsoon howdoyoulookupawordinaelectronicdictionary wekeyinthewordwewanttolookupandclickthebutton enter thenthewordentrywillappearonthescreen whatelsecanbestoredinyourelectronicdictionary therecanbeacalendar alistofaddressesandphonenumbers memosoraclock morerecentelectronicdictionarieshavelargememoryspaceandsomecanbeusedaselectronicbookswithhundredsofbooksstoredinside developmentofdictionary dictionary electronicdictionary picture4 howdidpeoplekeepintouchinthepast byletter telegraph telephone howdopeoplekeepintouchnow mostlybymobilephone whatrecentdevelopmentshavebeenmadetomobilephones havemoreandmorefunctions 1 sendtextmessages2 usedasadigitalcameratotakestillorevenmovingpictures peoplecansendpicturestoothermobilephonesore mailaddresses 3 mobilephonescanbeconnectedtotheinternetandpeoplecanlookatwebpageswithmobilephones 4 moreadvancedmobilephonescanreceivetvsignalssothatpeoplecanwatchlivetv developmentofcommunication letter telegram telephone beeper cellphone developmentofcamera mobilephonewithacamera digitalcamera camera developmentoffan fan air condition electricfan therecanbeacalendar alistofaddressesandphonenumbers memosoraclock morerecentelectronicdictionarieshavelargememoryspaceandsomecanbeusedaselectronicbookswithhundredsofbooksstoredinside whichdoyouprefer anelectronicbookoratraditionalpaperbook why besidesthedictionary whatelsecanbestoredinyourelectronicdictionary howdidpeoplekeepintouchinthepast peoplesentlettersinthepast butletterswereslow andtheytookfromafewdaystoseveralmonthstoarrive thenpeopleinventedthetelegraph butthetelegraphcouldsendonlyshortsentences later peoplecouldcommunicateviatelephone butthedisadvantagewasthatnoteveryonehadatelephone now peopleusee mailstocommunicate e mailsarequick butpeoplewithoutcomputersandaccesstotheinternetcannotsende mails today mostpeopleusemobilephonestokeepintouchwithothers thesizeofamobilephoneissmallsopeoplecancarryoneinapocketandreceiveandmakecallswherevertheyareandwheneveritis whatrecentdevelopmentshavebeenmadetomobilephones now mobilephoneshavemoreandmorefunctions theycansendtextmessages theycanalsobeusedasadigitalcameratotakestillorevenmovingpictures peoplecansendthepicturestheytaketoothermobilephonesore mailaddresses mobilephonescanbeconnectedtotheinternetandpeoplecanlookatwebpageswithmobilephones moretechnologicallyadvancedmobilephonescanreceivetvsignalssothatpeoplecanwatchlivetvprogrammesontheirmobilephones itisreportedthatmanyhighschoolstudentsbringmobilephonestotheirschools doyouthinkhighschoolstudentsshouldusemobilephonesatschool whyorwhynot forreference studentsshouldnotbeallowedtousephoneswhileinschool ifthereisanemergency aparentcancalltheofficeortheofficecancallaparent theyareinschooltolearn theymustfollowtherulesofthebuilding theuseofmobilephonesinclassisdisruptivetothelearningenvironmentofallstudentsandshouldbediscouraged 1 canwedependontheseelectronicdevicescompletely discussion 2 howhavetheseelectricalandelectronicdevicesimprovedourlives summary withpeople shardworkandintelligence humanbeingsownlotsofusefulandhandyelectricandelectronicdevices thesedevicesdosaveusalotoftimeandenergy besides theyfreeusfromheavyhousework butweshouldnotdependcompletelyonthem wehumanbeingsshouldmakereasonableuseofthemsothatwecanrelaxourselvesandfindpleasureandhappinessinourlife theseinventionshavegreatlyimprovedpeople slives mobilephonesareagoodexampleofthis beforemobilephonescameintouse peoplecouldn tmakephonecallsorreceivephonecallsiftherewasnotelephonenearby withmobilephones peopleareabletomakecallsatanytimeandatanyplace today manyofusareverybusyandcannotbeexpectedtowaitforalongtime mobilephonesprovideuswithachancetokeepintouchwithotherswhereverweare languagepoints withmobilephones wecankeepintouchwithotherswhereverweare 1 here wherever introducesanadverbialclause theusageof ever isasfollows however作连词 不管用什么方法 hecangohoweverhelikes 作副词 无论如何 不管怎样 howevercolditis healwaysgoesswimming 作副词 究竟怎么 表示惊奇 howeverdidyoufindit whenever作连词 任何时候 wheneverweseehimwespeaktohim 作副词 任何时间 任何时候 hemightturnuponmonday orfriday orwhenever andexpecttobegivenameal wherever作连词 在任何地方 到任何地方 在任何情况下 sitwhereveryoulike whatever whatever 作代词 nomatterwhat 无论什么 无论如何 keepcalm whateverhappens whatever 作代词 anythingoreverythingthat 任何的事物 每一 的事物 whateverihaveisatyourservice 作代词 orwhatever 或任何东西 诸如此类 he dhavedifficultyinlearninganylanguage greek chinese orwhatever 作形容词 任何的 无论什么的 任何种类 程度等的 takewhatevermeasuresyouconsiderbest whichever whichever 作代词 anythingoreverything 无论哪些 无论哪个 whichever anythingthat youwantisyours 作代词 的那一个 whicheverofyoucomesinfirstwillreceiveaprize 作形容词 无论哪个 无论哪些 hemaychoosewhicheverdeskhewishes whoever whoever 作代词 anypersonwho thepersonwho 任何人 无论谁 的人 whoever anyonewho saidit it snotso 作代词 到底 究竟 是谁 whoevertoldyouthat 1 couldispeakto isinchargeofinternationalsales please a anyoneb someonec whoeverd nomatterwho2 tomorrow ourshipwillsetsailformacao a howevertheweatherislikeb howeveristheweatherlikec whateveristheweatherliked whatevertheweatherislike 3 youshouldtrytogetagoodnight ssleep muchworkyouhavetodo howeverb nomatterc althoughd whatever4 dad i vefinishedmyassignment good and youplayorwatchtv youmustn tdisturbme wheneverb whetherc whateverd nomatter 5 makesthisshopdifferentisthatitoffersmorepersonalservices a whatb whoc whateverd whoever6 teamwinsonsaturdaywillgothroughtothenationalchampionships a nomatterwhatb nomatterwhichc whateverd whichever 7 thisisaveryinterestingbook i llbuyit a nomatterhowitmaycostb howmayitcostc howmuchmayitcostd howevermuchitmaycost8 ifweworkwithastrongwill wecanovercomeanydifficulty greatitis a whatb howc howeverd whatever 2 touchn be get keep etc intouchtocommunicateorcontinuetocommunicatewithsomeonebyusingatelephoneorwritingtothem 取得 保持联系areyoustillintouchwithanyofyouroldschoolfriends no janeandineverkeptintouchaftercollege we reinclosetouchwithourofficeinspain losetouchtostopcommunicatingwithsomeone usuallybecausetheydonotlivenearyounow 失去联系welosttouchovertheyears ithinki llgivebobaring you youhaven tbeenintouchwithhimforages a willb mayc havetod should howhavedifferentelectronicdeviceschangedovertime over prep duringsomething orwhiledoingsomething 在 期间 在做 时iwasinseattleoverthesummer shallwediscussitoverlunch overadrink theytook spentanhouroverlunch theirmeallastedanhour it sfascinatingtowatchhowababychangesanddevelopsovertime astimepasses aboveorhigherthansomethingelse sometimessothatonethingcoverstheothe