unfar.Noneofthemwentbeyond20kilometers.8)allo:vt.permit(sb./sth.)todosth.允许;容许e.g.Myparentswouldn’tallowmetogototheparty.Smokingisnotallowedintheclassroom.9)familiar:a.(with)havingagoodknowledgeofsth.熟悉的;通晓的e.g.Areyoufamiliarwiththistypeofmachine?I'mnotfamiliarwiththiskindofmusic.10)maintain:vt.cause(sth.)tocontinue;keep(sth.)inexistenceatthesamelevel,etc.保持;维持e.g.Shemaintainsafriendshipwithhercollegefriendwholivesinanothercity.Itisdifficulttomaintainone'ssenseofhumoreveryday.11)Alotofuswouldbelostwithoutanylearningatall:InEnglish,“belost”means“notfeelconfidentaboutwhattodoorhowtobehave.”e.g.It'squiteusualtofeellostwhenyoufirststartcollege.Wewouldbelostwithoutherhelp.Inthissentence,"would…without…"formsasubjunctivestructure(虚拟结构),meaning"ifwedidnothave/take(anylearning),wewould…"(假如没有…则…).