普通高中课程标准实验教科书英语必修Word格式.docx
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普通高中课程标准实验教科书英语必修Word格式.docx
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Difficultpoints:
Somenewwordsandimprovethestudents’spokenEnglish
Teachingmethods:
SituationalwayandTaskbasedapproach
Teachingaids:
Multi-media,andprojector
Homework
Writeashortpassagetotellpeoplewhataretheadvantagesanddisadvantagesofcomputer.
Teachingprocedure
notes
Step1Leadin3minutes
Showthessapicturewhereamanhasfallenintoacomputer.Askthesswhythemanissocrazy.Thessmaygivevariousanswers.Thentheteachersummarizeslikethat:
T:
Yes.Asweallknowthatcomputernowisplayinganimportantroleinourlife.Wecan’timaginewhatlifewillbecomewithoutcomputer,especiallywhenweareinthe21stcenturywherecomputersareappliedinmanyfields.
Nowlet’scometolearnmoreaboutcomputer.
Step2warmingup14minutes
1.Showthesssomepicturesabouteachpartofcomputer,getthesstonameeachpartofit.Thepresentationgoesfromtheeasyonetothedifficultonesthatarenoteasytoname.(4minutes)
2.Introducesomepeopleandcomputerwordsandexpressionstothessbyshowingthemonscreen:
(5minutes)
⑴CharlesBabbage(1791-1871),whomadethefirstdesignofcomputer
⑵AlanTuring(1912-1954),whodesignedthefirstrealcomputer
⑶Artificialintelligence,meansman-madeintelligence
⑷Transistors:
theyareawayofsendingandstoringinformationthatonlytakeupasmallspace.
⑸Anetwork:
itisanumberofcomputersthatarejoinedtogethersothattheycanshareinformation.
⑹The1970s:
itwaswhencomputersbecamesmallenoughtocomeintopeople’shomes.
⑺TheInternet:
aworldwideinformationresourcewherepeoplecandomanythings.
3.WB.P56Listingwordsandexpressions.Exercise1.(5minutes)
Readthroughthewordsintheright-handboxbelow.Usesomeofthemtonameeachpartofacomputerintheleft-handbox.(Keys:
1.floppydisc;
2.chips;
3.monitor;
4.modem;
5.CD-ROM;
6.scanner;
7.key-board;
8.printer)
Step3Speakingactivity14minutes
Nowwehavelearntmuchaboutcomputer.Itisreallyveryimportantanditseemsthatwecan’tgowithoutcomputer.Doesitalwaysgolikethat?
Idon’tthinkso.Youknowpeoplealsolivedahappylifebeforecomputercameintouse.Look,herearesomekindsof“computer”foryoutohavealook.(1minutes)
1.Firstlookatthepicturesonpage17.andthinkaboutthreequestions:
(3minutes)
⑴Whatdotheyhaveincommon?
(explain“haveincommon”meanssharethesamepoints)
⑵Whatarethedifferencesbetweenanabacusandacalculator?
⑶WhataboutacalculatorandaPC,aPCandanotebookcomputer?
2.Thengetthesstodiscussthemingroups.Theymayhavevariousanswers.Thusaskonestudentofeachgrouptorecordwhatanswerstheyhavewhentheyarediscussing.Collecttheiranswersandshowthembyprojector.(3minutes)
Suggestedanswers;
⑴Theyallcanbeusedtocalculatenumbers.
⑵Anabacusisnotsoconvenientasacalculatorforitisnoteasytomaster.
⑶WecanseeaDVDoncomputerbutnotonacalculator.Wecancarryanotebookcomputereasilybutnotadeskcomputer.(2minutes)
3.Basedonwhattheyhavediscussedjustnow,askthemtofillinthefollowingchart.Thustheycanwellprepareforthespeaking.(5minutes)
item
advantages
disadvantages
anabacus
acalculator
aPC
anotebookcomputer
Suggestedanswers;
Easytomake:
neednoelectricity
Hardtomaster,slow
Easytomaster,fast
Can’tdisplayVCD,etc
Fast,canplayVCD,getonnet,etc
Difficulttocarry,needelectricity,etc
Easytocarry,Fast,canplayVCD,getonnet,etc
Thebatterycan’tlastlong,easytogetstolen,etc.
Step4Discussion10minutes
1.Dividethewholeclassintofourgroups,eachgroupdiscussesatopic.(5minutes)
Thetopicsare:
A.Whenyoudomathematicalexercises,whichonewillyouchoose?
Why?
Whichonewillyounotchoose?
Whynot?
B.Whenyouwanttogetonnet,whichonewillyouchoose?
C.Whenthereisnoelectricityandyouhavetodosomecalculating,whichonewillyouchoose?
D.Whenyouareonalongtravel,whichonewillyoutakewithyoutokilltime?
Theycanusethefollowingtoexpressthemselves.
Ithinkthat…;
Inmyopinion…;
Ibelievethat…;
What’syourreason?
;
Whydoyouthinkso?
2.Askonepairofeachgrouptotelltheclasswhatresulttheyhavegot.(5minutes)
Step5Summary3minutes
Todaywehavelearntsomethingaboutcomputer.Canyoutellmewhattheyare?
Whowouldliketohaveatry?
Ifyouwanttoknowmoreinformationaboutit,youcansurftheinternettogetit.Thinkabouthowcomputercameintobeing,andisitdevelopedinashortperiod?
Andwhatcomputerisapplied.
Homework1minute
Writeashortpassagetotellpeoplewhataretheadvantagesanddisadvantagesofcomputer.
(设计说明:
用一张图片内容是一个人栽进电脑来夸张而形象地表明人们对电脑的痴迷程度,因此能够引起学生强烈的兴趣,借此机会让学生思考一下为什么,他们会产生许多联想,然后老师再给予小结把话题引入,这就让人容易接受了。
)
先让学生边看一些简单的电脑零件边说出他们的名称,后在展示一些较难的不常见的,由浅入深介绍相关的电脑知识,符合学生的学习心理过程。
通过大屏幕介绍与计算机发展有关的重要人物并进一步介绍电脑知识,让学生学习的更多一些,满足他们的求知欲。
甚至可以让学生自己来举例。
与计算机相关知识介绍完后再及时以一道练习进行巩固,效果最好。
进行口语活动之前先对前一个步骤进行小结和说明,以便自然导入下一个步骤。
让学生先观察这四样工具,然后再讨论其有无共同点,这样才有的放矢。
也为下文的讨论作好准备。
先让学生讨论然后再进行交流,能够帮助学生获取更多的信息,并且在交流的过程中让他们明白合作学习的重要性,也达到思想教育的目的。
把讨论结果用幻灯片展示,以便学生互相对比。
先讨论后填写信息,这样在有文字准备的基础上进行进一步的讨论时,学生对讨论的内容就会更清楚,避免了无的放失。
给出4种情景让学生分组进行,然后再交流,以充分利用他们讨论的全部信息,学生将再一次感受到互相交流的好处,从而更愿与人合作。
以提问的形式提醒学生今天所学的内容,如果学生能够当堂回答,则表明他们的学习效果不错,如果不能,那么老师需要给予帮助,以利对教学效果进行反馈。
用于巩固今天所学)
Period2:
ReadingofUNIT3COMPUTERS:
WhoamI?
1.Tounderstandthedevelopmentofcomputer
2.Topracticethestudents’readingskills
3.Togetthestudentsunderstandtheimportanceofstudyinformationtechnology.
Tounderstandthedevelopmentofcomputerandtopracticethestudentsreadingskills
Togetthestudentsunderstandtheimportanceofstudy
Multi-media
SBP20Exercises2-3
Step1Leadin5minutes
1.Getthesstohaveaquiz:
Canyouworkouttheanswerinonesecond?
1642+1822+1936+1960+1970=?
点击进入:
[1642]:
Pascalbuiltamechanicalcalculatingmachine,mechanicalgears,hand-crank,dialsandknobsothersimilarmachinesfollowed.
[1822]:
TheAnalyticalMachinewasmadebyCharlesBabbage.
[1936]:
AlanTuringwroteabooktodescribehowcomputerscould
bemadetowork.
[1960]:
Computershadnewtransistorsandbecamesmaller.
1970s:
Computerswerebroughtintopeople'
shomes.
Now:
Computersconnectpeopleallovertheworldtogether.
2.Nomatterwhatistheiranswer,tellthessyouransweris:
1642+1822+1936+1960+1970=thedevelopmentofcomputer
Youmayfeelsurprisedtotheresult,butwhenyoureadthetext“whoamI”,youwillunderstandit.Let’sreadthepassagenow.
Step2Fastreading:
6minutes
ScanthetextonPage18,andjudgethefollowingsentenceswhethertheyareTrueorFalse.
1.Iwasmadeasacalculatingmachinein1642inFrance.(T)
2.In1822Iwasbuilttofollowinstructionsfromcardswithholes,whichwasatechnologicalrevolution.(T)
3.AlanTuringwroteabooktodescribehowcomputerscouldbemadetoworkin1936.(T)
4.Inthe1960safterIgotmynewtransistorsmysizewasnotchanged.(F)
5.Inthe1970sIwasbroughtintopeople’shomes.(T)
Step3Carefulreading:
10minutes
Readthetextcarefullyandtrytofindouttheanswerstothequestions:
1.WhatmadepeoplethinkIwasnotsimple-minded?
(Ihad“artificialintelligence”whichmadepeoplethinkIwasnotsimple-minded.)
2.Whobuilta“universalmachine”tosolveanymathematicalproblem?
(AlanTuring)
3.Howpeopledealwithinformationandcommunicatewitheachotheraroundtheworldsince1970s?
(BytheInternet)
4.WhoamI?
Findoutthesupportingsentences.
Key:
Itisacomputerbecauseitdescribes:
A.Thenin1822IwasbuiltasanAnalyticalMachinebyCharlesBabbage.
B.MyrealfatherwasAlanTuring.
C.However,peoplethoughtIwassimple-mindeduntiltheydiscoveredIhad“artificialintelligence”.
Step4Discussion5minutes
Getthesstodiscusshowthetextwasorganized.
T:
Howwassomuchinformationgiveninsuchashortspace?
S:
Thewritingisneatandclear.Therearenowastewords.Itjustgivesusfactsintheorderoftime.Itiswritteninthefirstperson,whichwillinterestthereaders.Whenthereaderreadsit,hewillnotfeelitboring.Itiswrittennaturallyasithappens.
Good.Whenweshouldwritedownwhatweseeandwhatwefind,remembertohaveachronologyofthematter.Thenwecanhaveitneatandclear.
Step5Usefulwordsandexpressions13minutes
1.Getthesstounderlinewhattheythinkareusefulandplaythetapeo
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