2023学年完整公开课版英语教学

Unit3ComputersReading长白山第二高级中学高赐香Agame:WhoamI?

Rule:Guessthewordbyreorganizingthelettersgiven.Example:maObaObama自学检测WhoamI?

cucaltorlacalculatortoroperauniversalWhoamI?

salverunioperatorerolpxetechnologicalWhoamI?

logicalnotechexploreplifysimsumWhoamI?

mussimplify算数题cketrointelligenceWhoamI?

telliingencerocketapplicationWhoamI?

cationapplilygicallologicallycomputerWhoamI?

terpucomcomputermodernequipment

WhoamI?Reading:Whoorwhatdoes“I”inthetextreferto?

Itreferstothecomputer.Skimming合作探究Whattypeofwritingisthis?Anarticleofnarration.（记叙文）B.Anargumentativewriting.(议论文)

C.Anexposition.(说明文)Pickoutthetopicsentenceofeachparagraph.

ScanningPara.1:

OvertimeIhavebeenchangedquitealot.Para.2:Thesechangesonlybecamepossibleasmymemoryimproved.Para.3:Sincethe1970smanynewapplicationshavebeenfoundforme.

OvertimeIhavebeenchangedquitealot.1.Inwhatorderwerethechangesintroduced?

Timeorder.Para.1changes1642(200years)19361940s1970snownamefunctioncalculatingmachinesimplifydifficultsumstimeIbeganasacalculatingmachineinFrancein1642.AlthoughIwasyoungIcould

simplifydifficultsums.

changes1642(200years)19361940s1970snownamefunctioncalculatingmachineanalyticalmachineuniversalmachinePClaptopsimplifydifficultsumsthinklogicallySolvedifficultmathproblembeusedinofficesandhomessizebiggersmallertimehouse-likeTheimprovements

ofcomputersPara.2improvementsThesechangesonlybecamepossibleasmymemoryimproved.

AsaresultItotallychangedmyshape.Firstitwasstoredintubes,thenon

transistorsandlateronverysmallchips.AsIhavegrownolderIhavealsogrownsmaller.

ButIwasalwayssolonely

standingthere

bymyself,untilintheearly1960stheygavemeafamilyconnectedbyanetwork.IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!AndmymemorybecamesolargethatevenIcouldn'tbelieveit!Besidescommunication,whatotherfieldshasthecomputerbeenusedin?

Finance,tradeandmedicaloperations.2.Whathasthecomputerbeenputinto?

Robots,mobilephones,rockets.Para.3applications1642began…calculating…France1822built…ananalyticalmachine…CharlesBabbage

1936AlanTuring…wrote…made…1940sAslargeasgave…connectedby…share…with…1970sbecomeveryimportantin…

nowconnect…allovertheworld…1960s巩固提升:RetellingWhataretheadvantagesanddisadvantagesofthecomputers?Inmyopinion,Icanusethecomputerto….DiscussionWecanusethecomputerto…….

listentomusicWatchmoviessearchfor…communicatewith…doshopping小组合作

Advantages

Wecanusecompuersto…1.useacomputerforschoolwork2.playgamesonthecomputer3.sendemailstofriends4.downloadmusicandfilms5.goshoppingonline6.useQQtomakefriends7.communicatewithothers

8.usetheInternettosearchforinformation9.surfthewebforfun

10.readnewsbothathomeandabroad,readbooksandmagazinesDisadvantages

Somestudentsmaygettooaddicted(沉溺于)toit.Somestudentswastetoomuchtimeinplayingcomputergames.Somestudentsspendtoomuchtimeinchattingwithothersandmaybecheated(欺骗)bysomeoneonline.Asaresult,theyhavelittletimetostudyItisbadforoureyesandhealthtospendlongtimeinfrontofcomputers.

Ibeganasa________machinein1642inFrance.In1822Iwasbuiltasan________machine.Thenin1936AlanTuringwroteabookandbuilta________machine.Astheyearshave______,Ihavebeenmade______.Thereweretimeswhenmysize_________changed.Andmymemorybecame_____large_____Icouldn’tbelieveit.Inthe1960stheygavemeafamily_________byanetwork.Iwasableto_________________withothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications______________forme.当堂检测Fillintheblanks

gonebyconnected

universalcalculating

smallertotallysothatanalyticalsharemyknowledge

havebeenfound1.Reciteallthenewwordsandexpressions2.Writeapassageabouttheadvantagesanddisadvantagesofcomputers.分层作业Thankyou!tubetransistorchipsinglenetworkWorldWide