华科附入学测试模拟题.docx

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2024-12-19 发布于广东
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华科附入学测试模拟题.docx

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华科附中国际部入学测试

（笔试模拟题）

Test1Reading:Text1

Drums

Whenwethinkofadrumweusuallythinkofamusicalinstrument.Thedrumhasalsobeenusedforyearsasanimportanttoolforcommunication.Thehumanvoiceisverygoodforcommunication,butitcannotbeheardveryfar.Asearlyhumansbegantoliveingroups,runnersweresentfromvillagetovillagewithimportantmessages,butthattookalotoftime.Itwasdiscoveredthatbeatingonhollowlogscouldbeheardforgreaterdistances,andsoanewformofcommunicationcalled“talkingdrums”wasborn.

Inmanyearlycommunities,alargedrumwassetinthemiddleofthevillagetohelpsendmessagestonearbytribes.Thedrumscouldbehitwithhandsandsticks.Someofthelargerdrumscouldbehearduptosixteenmilesaway!

AgroupinWestAfricamadeanamazingtalkingdrumsystem.Theirdrumsweremadeofroundpiecesofwoodthatwerefourtofivefeetlong.Askin(oftenanelephantear)wasstretchedoveroneendofthewoodandwasheldinplacebyarope.Theskinwastightenedorloosenedtomakehigherandlowersounds.Theyhadlearnedtousethedrumssowellthattheycouldactuallycopythelanguagethattheyspoke!Thedrumssoundedlikeapersonspeakinginavoiceloudenoughtobeheardfaraway.

Mostsystemsofdrumcommunicationusedaseriesofbeatsthatmeantsomething.Themessagesusuallytoldofdanger,death,war,orothernewsofgreatimportance.Themessagecouldbesentveryfarbyarelaysystem.Thatis,onevillagewouldsendamessageandanearbyvillagewouldhearit.Theywouldthenrepeatthemessageontheirdrums,sendingittotheirneighbors.Somerelaysystemsworkedsowellthattheycouldsendamessageabout200milesveryquickly.

Although“talkingdrums”becameagoodsystemofcommunicatingoverdistances,ithadoneverybigproblem.Theirenemiescouldunderstandthedrummessages,sotheywouldknowwhatwasbeingsaidorplanned.Communicationby