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1、Unit3Computers DVD ROM printer monitor screen modem scanner keyboard harddisc 1Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD ROMis6Aharddiskis a thepartofacomputerthatstoresinformation b thepartofthecomputerthatyoutypeon c thepartofthecomputerthatlookslikeatelevision d somethingyouusetoclickonthin
2、gs files etc e thepartofthemonitorthatyoulookat f aseparatediskthatcontainslotsofinformation Matchthewordswiththeirmeanings WarmingUp Anotebookcomputer Anabacus Ahugecomputer Acalculator APC Discussion Whatdotheyhaveincommon Ithinkthat Inmyopinion Ibelievethat What syourreason Whydoyouthinkso Listen
3、tothetape Findthethreerobotsfromthefollowingpicturesandnumberthem 1 2 3 A B C D Whatdoyouknowaboutcomputer Howhavecomputerschangedourlives Pre reading Fast reading Readthepassageasfastaspossibleandfindouttheanswerstothesequestions 1 whowasthefirstpersontodevisetheearliestcomputer 2 Whatdidhemakeandw
4、hatdiditdo 3 whowasthenextimportantpersontodesigncomputers Readthepassageagainandgetthegeneralideaofthispassage Thehistoryanddevelopmentofcomputers alsoabouttherelationshipbetweencomputersandhumans Explanation 1 Iknowthissoundsverysimple butatthattimeitwasatechnologicalrevolution this referstothethi
5、ngthat Ifollowedinstructionsfromcardswithholes Now wecansee itisaveryeasy simplething Butatthattime exactlyin1822 itwasaverybig importantthingoratechnologicalrevolution 2 MyrealfatherwasAlanTuring whoin1936wroteabooktodescribehowcomputerscouldbemadeofwork andbuiltauniversalmachine tosolveanymathemat
6、icalproblem AttributiveClause 定语从句 And 起什么作用 Comprehending 1642 TheAnalyticalMachinewasmadebyCharlesBabbage 1936 1960s Thefirstfamilyofcomputerswasconnectedtoeachother 1970 Now Thecomputerbeganasacalculatingmachine AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork Computershadnewtransistorsandbecamesmaller Computerswerebroughtintopeople shouse Connectpeopleallovertheworldtogether Homework1 Recitethekeysentencesinthetext 2 PrepareforLearningaboutlanguage
