Transportationandcommunicationnetworksbringpeopletogether．Yetsometimespeoplethemselvescreatebarriers(障碍)totransportationandcommunication．Insomecountries，lawsstoppeoplefrommovingfreelyfromplacetoplace．
<p>问题：Transportationandcommunicationnetworksbringpeopletogether．Yetsometimespeoplethemselvescreatebarriers(障碍)totransportationandcommunication．Insomecountries，lawsstoppeoplefrommovingfreelyfromplacetoplace．Overthe<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">邓为民的回答：<div class="content-b">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...
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