Unit3Computers DVD ROM printer monitor screen modem scanner keyboard harddisc 1Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD ROMis6Aharddiskis a thepartofacomputerthatstoresinformation b thepartofthecomputerthatyoutypeon c thepartofthecomputerthatlookslikeatelevision d somethingyouusetoclickonthings files etc e thepartofthemonitorthatyoulookat f aseparatediskthatcontainslotsofinformation Matchthewordswiththeirmeanings WarmingUp Anotebookcomputer Anabacus Ahugecomputer Acalculator APC Discussion Whatdotheyhaveincommon Ithinkthat Inmyopinion Ibelievethat What syourreason Whydoyouthinkso Listentothetape Findthethreerobotsfromthefollowingpicturesandnumberthem 1 2 3 A B C D Whatdoyouknowaboutcomputer Howhavecomputerschangedourlives Pre reading Fast reading Readthepassageasfastaspossibleandfindouttheanswerstothesequestions 1 whowasthefirstpersontodevisetheearliestcomputer 2 Whatdidhemakeandwhatdiditdo 3 whowasthenextimportantpersontodesigncomputers Readthepassageagainandgetthegeneralideaofthispassage Thehistoryanddevelopmentofcomputers alsoabouttherelationshipbetweencomputersandhumans Explanation 1 Iknowthissoundsverysimple butatthattimeitwasatechnologicalrevolution this referstothethingthat Ifollowedinstructionsfromcardswithholes Now wecansee itisaveryeasy simplething Butatthattime exactlyin1822 itwasaverybig importantthingoratechnologicalrevolution 2 MyrealfatherwasAlanTuring whoin1936wroteabooktodescribehowcomputerscouldbemadeofwork andbuiltauniversalmachine tosolveanymathematicalproblem 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