Fillthewordorexpressionforeachofthefollowingmeaningsfromthetext.1_________completechangeinwaysofthinking,working,etc2________connectedcomputersystem3_________tomakethingseasierrevolutionnetworksimplifyLearningaboutLaguagePage214_________tofindtheanswerusingnumbers5_______canbemovedeasilyfromplacetoplace6_______toworkouttheanswertoaproblem7_______totravelaroundanareatofindoutaboutitcalculatemobilesolveexplore8_______completely9________anyway10_______activityofmanagingmoneytotallyanyhowfinanceCompletethepassagewiththewordsbelow.artificialtechnologyintelligentapplicationsexploreWebrealitylogicallyMybrotherwasveryinterestedincomputersandenjoyedwritingprogramsofhisown.HeusedtodownloadinformationfromtheInternetandmadegooduseofit.Helikedto________theWorldWide_______andusedtheInternettocommunicatewithcomputerprogrammersallovertheworld.WhenhewenttouniversityhestudiedIT(information___________)anddevelopedaspecialin________exploreWebtechnologyartificialintelligence.Afterdevelopingspecial____________ofthecomputer,hehopestodesignan__________robotwhichcanthink________andlooklikehumanbeing,butin________hewasalongwaytogo.logicallyapplicationsintelligentrealityThePresentPerfectPassiveVoiceDiscoveringusefulstructuresPage21Learningaboutpassivevoice—anoverviewTenseorModelPassiveSentenceSimplePresentTheTOEFLexamisgiveneverysixmonths.SimplepastTheTOEFLexamwasgivenlastmonth.SimpleFutureTheTOEFLexamwillbegiveneveryyear.TenseorModelPassiveSentencePresentContinuousTheTOEFLexamisbeinggiveneveryyear.PresentperfectTheTOEFLexamhasbeengiveneveryyearsince1950.PastperfectTheTOEFLexamhadbeengivenbeforetheVietnamWaroccurred.FirstasaPC(personalcomputer)andthenasalaptop,Ihavebeenusedinofficesandhomessincethe1970s.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold`!Sincethe1970smanynewapplicationshavebeenfoundforme.Answerkeyforexercise1onpage21Ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperations.IhaveevenbeenputintospacerocketsandsenttoexploretheMoonandMars.has/havebeendone现在完成时被动语态现在完成时的被动语态现在完成时的被动语态表示动作发生在过去,到现在已经完成或对现在仍有影响。现在完成时的被动语态UnderstandingthestructureofthepresentperfectpassivevoiceThestructureofthepresentperfectpassivevoiceis:have/has＋been＋~ed注意:1.副词的位置often,usually,always,never,hardly,seldom等副词置于have/has和been中间。如:[误]Suchamanhasbeenhardlybelieved.[正]Suchamanhashardlybeenbelieved.2.并不是所有动词都有被动语态1)happen,takeplace,breakout,belongto,cost,last等不及物动词或词组无被动语态。如：[误]GreatchangeshavebeentakenplaceinChinasince1978.[正]GreatchangeshavetakenplaceinChinasince1978.2)open,break,drop等不强调动作发出者时常用主动语态。3.短语动词不可分割或省略其中的介词或副词。如：Thepatientshavebeentakengoodcareof.4.一些特殊动词,如borrow,finish,begin,buy,start,return,marry,open,join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则需改换动词或时态。如：Mybrotherhashad(不能用hasbought)thisbikeforalmostfouryears.Howlonghasthisbookbeenbought?Howlongagowasthisbookbought?(1)把主动语态的宾语变为被动语态的主语。(2)把谓语变成被动结构(be＋过去分词)(根据被动语态句子里的主语的人称和数，以及原来主动语态句子中动词的时态来决定be的形式)。主动语态变被动语态的方法(3)把主动语态中的主语放在介词by之后作宾语,将主格改为宾格。例如：Allthepeo...
