雅思阅读真题.docx

雅思阅读真题

雅思阅读真题还在为雅思考试熬夜奋战的小伙伴们看过来!为了帮助你们更好进行复习，小编特地整理了历年考试结束后网友的真题回忆，希望大家通过自己的努力最终拿下满意的成绩!一、考试概述本次考试的文章是三篇旧文章，难度中等。包含考古科学、生物科学以及商业三个领域的文章。二、具体题目分析Passage1题目：Aheadofthetime题号：旧题参考文章：MammothKillMammothisanyspeciesoftheextinctgenusMammoths,proboscideanscommonlyequippedwithlong，curvedtusksandinnorthernspecies,acoveringoflonghair.TheylivedfromthePtioceneepochfromaround5millionyearsago，intotheHotoceneatabout4，500yearsago，andweremembersofthefamilyElephantidae,whichcontains,alongwithmammoths,thetwogeneraofmodernelephantsandtheirancestors.ALiketheirmodernrelatives，mammothswerequitelarge.Thelargestknownspeciesreachedheightsintheregionof4mattheshoulderandweightsupto8tonnes,whileexceptionallylargemalesmayhaveexceeded12tonnes.However，mostspeciesofmammothwereonlyaboutaslargeasamodem.Asianelephant.Bothsexesboretusks.Afirst,smallsetappearedatabouttheageofsixmonthsandthesewerereplacedatabout18monthsbythepermanentset.Growthofthepermanentsetwasatarateofabout1to6inchesperyear.Basedonstudiesoftheircloserelatives,themodemelephants,mammothsprobablyhadagestationperiodof22months,resultinginasinglecalfbeingborn.TheirsocialstructurewasprobablythesameasthatofAfricanandAsianelephants,withfemaleslivinginherdsheadedbyamatriarch,whilsthullslivedsolitarylivesorformedloosegroupsaftersexualmaturity.BMEXICOCITY-Althoughit’shardtoimagineinthisageofurbansprawlandautomobiles.NorthAmericaoncebelongedtomammoths，camels，groundslothsaslargeascows,bear-sizebeaversandotherformidablebeasts.Somel1,000yearsago，however,theselargebodiedmammalsandothers-about70speciesinall-disappeared.TheirdemisecoincidedroughlywiththearrivalofhumansintheNewWorldanddramaticclimaticchange-factorsthathaveinspiredseveraltheoriesaboutthedie-off.Yetdespitedecadesofscientificinvestigation,theexactcauseremainsamystery.Nownewfindingsoffersupporttooneofthesecontroversialhypotheses:thathumanhuntingdrovethismegafaunalmenagerie(巨型动物兽群)toextinction.Theoverkillmodelemergedinthe1960s，whenitwasputforthbyPaulS.MartinoftheUniversityofArizona.Sincethen