2019年2月23日趴雅思機(jī)經(jīng)

1、 歸2019 歸20192回憶Section：1.Thewomanstitle:2.Preferredlocation: nearthe3.Companysize:totalstaffnumber:4.Preferreddate:5.The sizeofthenewoffice：12000square6.Removetheboothsinconference7.There s8.Storeroomneedenlargement,too9.Kitchenneedssome 歸 歸10.Theterraceis viewofriveroutsidethe可參Section： 11.Whatis -

2、yearA.dramaB.art C.12.Which carddoteersuseforA.yellowB.blue C.pink 13.Whatis themainway oflatest 歸 歸A.B.C.14.WheredomostteerscomeA.primaryB.the samesecondaryC.local15.teerscanjoininactivitysuchasbarbecue, whatwillnotprovidedduringA.B.vegetarianC.16-20)Map16.Sculpture(ontheleftofentrance;oneonthebott

3、om17.Woodcarving(2ndoneonthebottomleftwood 18.Artexhibition(topleftofmap;themainexhibitionareaofthe19.Pottery(2ndonestartfromright;itwasusedforphotograph,manypeople donotagree,sobuiltitas20.Oil ingonefrom 歸可參 歸可參Section的題型及數(shù)量：4單選+6可參Section：FieldtriptoQuebecin：31.Everystudentshouldmakeregistration a

4、tephone亭for33.dataclimate變化情況/drivingonrockroadmayseveredamageto34.Smalltownwithonly300s,therewillbedisturbing 35.RadisonCentrelooksaftercities36.Mayneedtohave carrepairs,keepyoureyesheareaofMukang,there are Notmanytypesof38.Photographsofbirdsshouldbetakenfor39.Roadisdangerousbecausedsomehidden40.Wa

5、terleswillbecheckedforcomingwith可參閱概Passage 歸題目1、3、9、可參：C11T3P1：TheStoryofPassage 歸 歸題型及數(shù)量：7填空+6：15.overkill16.17.empirical18.climatic19.20.youngerDryas21. 22. 23. 24. 25. 26. 可參：C9T1P3：TheHistoryoftheMammoth 歸Mammothisanyspeciesoftheextinctgenuscideanscommonlyequippedwithlong,curved 歸Mammothisanysp

6、eciesoftheextinctgenuscideanscommonlyequippedwithlong,curvedtusksandinspecies,acoveringoflonghair.Theylived fromthePtioceneepocharound5millionyearsotheHotoceneatabout4,500yearsago,weremembersofthefamilyElephantidae,whichcontains,alongmammoths,thetwogeneraofmodernelephants andtheirALiketheirmodernrel

7、atives,mammothswerearge.Theknownspeciesreachedheregionof 4m attheshoulderweightsupt08tonnes,whileexceptionallylargemalesmayhave12tonnes. However,mostspeciesofmammoth wereonlyaboutaslargeasmodernAsianelephant.Bothsexesboretusks.,smallsetappearedofsixmonthsandthesewerereplacedatabout18monthsthepermane

8、ntset.Growthofthepermanentsetwasat arateofaboutlt0 inchesperyear.Basedonstudiesoftheircloserelatives,theelephants,mammothsprobablyhada ionperiodof22months,inasinglecalfbeingborn.TheirlstructurewasprobablythesametofAfricanandAsianelephants,withfemaleslivinginherdsheadedbya matriarch, whilst hulls liv

9、edsolitary livesor formed loosegroups after sexualBMEXICOCITY-Althoughitshardtohisageofurbanandautomobiles,mericaoncebelongedtomammoths,ground sloths as large as cows, bear-size beavers and other formidable beasts.Some11,000yearsago,however,theselargebodiedmammalsandothers-about70speciesinall-disapp

10、eared.TheirdemisecoincidedwiththearrivalofheNewWorldanddramaticclimaticveinspiredseveraltheoriesaboutthedie-off.Yetdecadesofscientificinvestigation,theexactcauseremainsamystery.newfindingsoffersupporttooneofthesecontroversialttingdrovethismegafaunalmenagerie巨型動(dòng)物獸群)toTheoverkillhe1960s,whenitwasputfo

11、rthbyPaulMartinoftheUniversityofArizona.Sincethen,criticshave t 歸evidenceexiststosupportthet tedto extent sarytocausetheseextinctions.theannualmeetingofSocietyofVertebrateexicoCitylastOctober,JohnAlroy 歸evidenceexiststosupportthet tedto extent sarytocausetheseextinctions.theannualmeetingofSocietyofV

12、ertebrateexicoCitylastOctober,JohnAlroyoftheUniversityofCaliforniaatSantaBarbarat,inting-drivenextinctionisnotonlyplausible,itwasunavoidable.Hedetermined,usingacomputertymodestamounttingwouldhavewipedtheseanimalsCminganinitialhumanpopulationof100tgrewnon2percent annually,Alroytif eachbandof,say,50ki

13、lled15to20largemammalsayear,humanscouldhaveeliminatedanimalpopulationswithin1,000years.Largemammalsinparticularhavebeenvulnerabletothe rebecausetheyhavelongernsmallermammalsandtheiryoungrequireextendedDNoteveryoneagreeslroysassessment.For one,the dependinpartonpopulation-sizeestimatesfortheextinctan

14、imals-tarenot sarilyreliable.ButamorespecificcriticismcomesmammalogistRossD.E.MacPheeoftheAmericanMuseumofHistoryinNewYorkCity,whosttherelevantrecordcontainsbarelyadozenlesofstonesembeddedmammothbones(andnone,itshouldbenoted,areknownfrommegafaunalremains)-hardlywhatonemightexpecttingdroveanimalstoex

15、tinction.Furthermore,someofthesespecieshadrangesthegiantJeffersonsgroundsloth,forle,livedasfarsYukonandasfar sMexicowhichwouldhavemadeslaughteringinfficienttocausetheirextinctionratherimplausible,heEMacPheethumansmostlikelybroughtaboutextinctions(aswellasothers aroundthe arrival),butnotdirectly.Rath

16、erhetcoincidedwithtpeoplemayldisease,perhapsthroughtheir dogsorhitchhikingvermin,thenspreadwildlyamongtheimmunologicallynaivespeciesofthe 0 歸World.heoverkill,populationsoflargemammalswouldhave 0 歸World.heoverkill,populationsoflargemammalswouldhavehardertimerecovering.Repeatedoutbreaksofahyperdisease

17、couldquicklydrivethem tothe ofno return.Sofar MacPhee doesempiricalevidenceforthehyperdiseasehypothesis,anditwontbeeasycomeby:ldiseasewouldkillfartooquicklytoleaveitssignaturethebonesthemselves.Buthetysesof eandDNAthelastmammothstoperishwilleventuallyrevealmurderousFThethirdexplanationforwhatbrought

18、onthisextinctiondoesnotinvolvehumanbeings.Instead,itsproponentsblamelossontheweather.ThePleistoceneepochwitnessedconsiderableinstability,explainspaleontologistlW.Grahamof theDenverofNatureandScience.Asaresult,certainsdisappeared,anddonceformedcommunitiessplitapart.Forsomeanimals,thischange brought opportunity. For much of the megafauna, however, the increasingly homogeneous environment left them with shrinking geographical ranges-adeathsentenceforlargeanimals,whichneedlargeranges.Althoughcreaturesmanagedtoainviablepopulationsthroug