Accordingtothepassage,itistr uethat________.
[A]inthelate19thcenturyintheUnitedStatesthedividinglinebetweenadolescenceandadulthoodnolongerexisted
[B]noonecanmarrywithoutthepermissionofhisparentsuntiltheageoftwenty-one
[C]oneisconsideredtohavereachedadulthoodwhenhehasadriver’slicense
[D]oneisnotfreefromtherestr ictionsofchildlaborlawsuntilhecanjointhearm
正确答案:A45.答案[A]意为:获得驾照的人就可以算是成人了第一段末句指出,到了19世纪晚期,美国的青春期和成年期的分界线消失。Frontier意为dividingline。所以,[A]为正确选项。
第二段倒数第五句指出,18岁后,可以不经父母的同意结婚。所以[B]错在“21岁”。第二段四、六、七句说明:16岁青少年可以获得驾照,但只有到了21岁,他们才称为法律意义上的成年人。所以[C]错误。第二段倒数第六、七句说明:16岁就可以不受童工法限制,而18岁后他们才可以参军。所以[D]错误。


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