Unit3ComputersLearningAims:keyboardSomeusefulwordsandexpressionsaboutcomputer:ReadingStepIITrueorFalse1.In1642Ibeganasacalculatingmachineandcouldsolveanymathematicalproblem.()2.MyrealfatherwasCharlesBabbage,whowroteabookandbuiltmein1936.()3.AfterIgotmynewtransistorsinthe1960s,Ibecamesmallerbutclevererandquicker.()4.Iwasbroughtintopeople’shomesinthe1970s.()5.SincemybirthIhavebeenbuilttotaketheplaceofhumanrace.()StepIIIFillintheblanks⑴Question:Howisthepassageorganized?”Itisorganizedintheorderof______.⑵FillinthetableTimeline1642:___________________________1822:_______________________________:Thecomputergrewrapidlybothinsizeandinbrainpower.1940s:______________________________1960s:thefirstfamilyofcomputerswasconnectedto________.1970s:______________________________Now:Computersconnectpeople______________(全世界)together.StepⅤImportantphrases被当作是______________技术革命______________从那时起______________在体积上______________直到20世纪40年代_____________随时间的推移______________个人电脑_____________被存储到______________结果_____________在20世纪60年代初_____________和…分享____________在…方面重要______________探测月球，火星_____________提供给某人某物______________高质量的______________充满______________一位忠实的朋友_____________StepⅥImportantsentences1.…ittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage.句中的before是连词，意为“…才”，before的基本意思是“在……之前”，但要注意在不同的语境中不同的翻译：①引导时间状语从句时before常用于“It＋be＋时间段＋before从句”中，意为“……之后才……”e.g.ItwasalongtimebeforeIgottosleepagain._________________________________Itwillbefiveyearsbeforewemeetagain._________________________________②强调从句动作发生在主句之前，意为“不等……就”e.g.Andbeforeshecouldspeakagain,Ibegantotalk.不等她再讲话，我又开始谈起来了。（2007安徽，21）ThefieldresearchwilltakeJoanandPaulaboutfivemonths;itwillbealongtime_______wemeetthemagain.A.afterB.beforeC.sinceD.when（2005广东，31）TheAmericanCivilWarlastedfouryears______theNorthwonintheend.A.afterB.beforeC.whenD.then2.….AndIwonderedifIwouldgrowanylarger.①if意为“是否”，引导宾语从句。②any修饰形容词比较级。其它修饰形容词比较级的词有rather,