新课标人教版必修二Book2 Unit3 reading

课前延伸：1.analyticaladj.分析的

n.analysis

2.calculatev计算

n.calculation

计算器calculator3.普遍的，通用的，宇宙的adj

universal4.简化vt.Simplify

adj

simple5.operatorn.(电脑)操作员；接线员

v.operate6.合逻辑的，合情理的adj.logicaladv.logically7.工艺，科技，技术n.technologyadj.technological8.真实，事实，现实n.reality9.personaladj.私人的，个人的，亲自的

adv.personally10.revolutionn.革命

v.revolute11.智力，聪明，智能elligent12.解决，解答vt.Solven.solution13.applicationn.应用，用途，申请

v.apply14.探索；探测；探究v.explore15.不论怎样无论如何adv.anyhow短语1.把……与……相比compare…with2.从……时起from….on3.走过，经过gothrough4.结果asaresult

5.如此……以至于so….that…6.在某种程度上inaway

7.withthehelpof

在……的帮助下8.dealwith

处理，安排，对付Unit3ComputersLearninggoals(教学目标)

(1)Learnsomewordsandexpressions.

(2)Knowaboutthedevelopmentofthecomputer.

(3)Developthestudents’readingskills.LookatthefollowingpicturesandsaytheirEnglishnames.

abacuscalculatorhugecomputerPClaptopPDAhugecomputerPCPDAabacuscalculatorlaptop1.What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thedevelopmentofthecomputer.

Topicsentences:Para1

OvertimeIhavebeenchangedquitealot.Para2Thesechangesonlybecamepossibleasmymemoryimproved.Para3Sincethe1970smanynewapplicationshavebeenfoundforme.

Carefulreading

Q1:Whobuiltthefirstanalyticalmachine?Q2:

Whowasthenextimportantpersontodesigncomputers?

CharlesBabbageAlanTuring

Q3:Asacomputer,doyouknowmygoal?Mygoalistoprovidehumanswithalifeofhighquality.Development

EarlydaysNameFunctionPoorStrongAcalculatingmachineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult______________________analytical

universal

mathematicalproblemsDevelopmentNetworktimesMemorystoredin

TubesLargeSmall___________Smallchips

ApplicationsCommunication

Narrow

WideFinance_______Robots__________Medicaloperations_______________TransistorsTradeSpacerockets

Mobile

phonesStep3:DiscusionDoyouknowtheadvantagesanddisadvantagesofthecomputer?Youcanusethefollowingphrases:

Advantagescommunicatewithlistentothemusicseefilms&watchnewsplaygamesdoshoppingsavealotoftime

DisadvantageswastetoomuchtimeinplayingcomputergameschatontheInternethavelittletimetostudyusethecomputerwrongly

1.In1936myrealfather，AlanTuring，wroteabookabouthowIcouldbemadetoworkasa“universalmachine”tosolveanydifficultmathematicalproblem.[句式分析]⑴本句的主干为myrealfatherwroteabook；⑵介词about后接how引导的宾语从句[原句试译]在1936年，我真正的父亲艾伦·图灵写了一本书，讲述了怎样使我成为一台“通用机器”来解决任何数学难题。Summary:

Ibeganasa_______machinein1642inFrance.In1822Iwasbuiltasan_______machine.Thenin1936AlanTuringwroteabookandbuilta______machine.Astheyearshave______,Ihavebeenmade______.Thereweretimeswhenmysize______changed.Andmymemorybecame_____large_____Icouldn’tbelieveit.Inthe1960stheygavemeafamily_________byanetwork.Iwasableto_________________withothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications______________for