北京語言大學考博英語真題及其解析

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Directions:Youaregoingtoreadalistofheadingsandatextaboutpreparingintheacademiccommunity.ChoosethemostsuitableheadingfromthelistA-Gforeachnumberedparagraph(41-45).Thefirstandlastparagraphsofthetextarenotnumbered.Thereisoneextraheadingwhichyoudonotneedtouse.MarkyouranswersonANSWERSHEET1.(10points) Ws3)gvpPA  
LongbeforeManlivedontheEarth,therewerefishes,reptiles,birds,insects,andsomemammals.Althoughsomeoftheseanimalswereancestorsofkindslivingtoday,othersarenowextinct,thatis,theyhavenodescendantsalivenow. Fj亚洲国产精品va在线观看麻豆