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

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

答案：↓↓↓

邓为民的回答：

网友采纳　　小题1:D小题1:D小题1:A小题1:C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、国籍等多种原因，有些人的行动...