Transportationandcommunicationnetworksbringpeopletogether．Yetsometimespeoplethemselvescreatebarriers(障碍)totransportationandcommunication．Insomecountries，lawsstoppeoplefrommovingfreelyfromplacetoplace．

问题：Transportationandcommunicationnetworksbringpeopletogether．Yetsometimespeoplethemselvescreatebarriers(障碍)totransportationandcommunication．Insomecountries，lawsstoppeoplefrommovingfreelyfromplacetoplace．Over

答案：↓↓↓

蔡逢煌的回答：

网友采纳　　【小题1】D【小题1】D【小题1】A【小题1】C解析【小题1】通读全文，主要围绕人为障碍阻碍人际交流这一话题展开，所以选D项。【小题1】文章第二段第一句为主题句，然后举例说明由于种族、宗教、国籍等多种原...