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　　【Transportationandcommunicationnetworksbringpeopletogether.Yetsometimespeoplethemselvescreatebarriers(障碍)totransportationandcommunication.Insomecountrieslawsstoppeoplefrommovingfreelyfromplacetoplac】

　　Transportationandcommunicationnetworksbringpeopletogether.Yetsometimespeoplethemselvescreatebarriers(障碍)totransportationandcommunication.Insomecountrieslawsstoppeoplefrommovingfreelyfromplacetoplace.Overthecenturiesmanygroupsofpeoplehavebeendeniedthefreedomtotravelbecauseoftheirracereligionornationality.IntheMiddleAgesforexampleJewswereoftenforbiddentomoveaboutfreelywithincertaincities.SouthAfrica'sgovernmentusedtorequireblackAfricanstocarrypasseswhentheytravelwithinthecountry.Somegovernmentsrequireallcitizenstocarryidentificationpapersandtoreporttogovernmentofficialswhenevertheymove.

　　Countriessetupcustomspostsattheirborders.Foreigntravellersmustgothroughacustomsinspectionbeforetheyareallowedtotravelinthecountry.Usuallytravellershavetocarryspecialpaperssuchaspassportsandvisas(签证).Somecountriesevenlimitthenumberofvisitorstotheircountryeachyear. Othersallowtouriststovisitonlycertainareasofthecountryortheymayrequirethattravellersbewithanofficialguideatalltimesduringtheirstay.

　　Manyofthosebarrierstotravelalsoactasbarrierstocommunication.

　　Whentwogovernmentsdisagreewitheachotheronimportantmatterstheyusuallydonotwanttheircitizenstoexchangenewsorideasfreely.Countriesoftentrytokeepmilitaryorindustrialinformationsecret.

　　Todaypeoplehavetheabilitytotraveltocommunicateandtotransportgoodsmorequicklyandeasilythaneverbefore.Naturalbarriersthatweredifficultordangeroustocrossahundredyearsagocannowbecrossedeasily.Thebarriersthatpeoplethemselvesmakearenotsoeasytoovercome.Butinspiteofallthedifferentkindsofbarrierspeoplecontinuetoenjoytravelandtheexchangeofgoodsandideas.

　　6.Theexamplesinparagraph2areusedtotellthereadersthat_______

　　A.peoplehavebeenallowedtotravelfreelywithinthecountry

　　B.peoplehavenotbeenpermittedtotravelfreelyforvariousreasons

　　C.travellershavetocarryspecialpaperssuchas　passportsandvisas

　　D.customspostsarenecessaryatthebordersof　thecountries

　　7.Somegovernmentslimitthefreedomofcommuni

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2020-12-2713:58

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宋国龙

　　6---10 BACAD

　　解析:

　　介绍了存在于各个国家和区域之间的各种沟通障碍，有天然，更多是人为的。先进的科技手段可以帮助人们克服天然障碍，但是却无法逾越人为障碍。

　　6.B 细节理解题。根据该段首句Countriessetupcustomspostsattheirborders.以及下文的介绍可以得答案。

　　7.A 细节理解题。根据第三段最后一句Countriesoftentrytokeepmilitaryorindustrialinformationsecret.以及上文内容可以分析出答案。

　　8.C 判断理解题。根据短文最后一段中Naturalbarriersthatweredifficultordangeroustocrossahundredyearsagocannowbecrossedeasily.Thebarriersthatpeoplethemselvesmakearenotsoeasytoovercome.可以确定此题的答案。

　　9.A 标题选择题。综合全文信息可以知道短文侧重表达了：人造的沟通障碍。

　　10.D 细节理解题。