我觉得tpo21阅读有答案都不对啊!

第二个section第一篇的14题summary

A.Oneobstacfetothetransitionfromanomadiclifestyletothesedentarylifestylerequiredbyagriculturewasthathunter-gatherershadnotdevelopedstoragetechniques.

B.Itseemsunlikelythatagricultureemergedinresponsetoafoodshortagebroughtonbyaworldwidepopulationcrisisthatdevelopedoncethewholeworldwasoccupied.

C.Theoriginsofagriculturemaybelinkedtoclimatechangeattheendofthelasticeage,butthisdoesnotexplainwhyearlierclimaticinstabilityhadnotledtoagriculture.

D.Theonlyavailablemeansofunderstandingthesocialorganizationandtechnicalabilitiesofancienthunter-gatherersocietiesisthestudyofcontemporaryhunter-gatherers.

E.Onerecenttheorysuggeststhattheinventionofagriculturewasmadepossiblebytheintegrationofvariousmentalcapacitiesinthehumanmind.

F.Littleisknownaboutwhyonlysomesocietiesthatadoptedagriculturerapidlyprogressedtousingmetaltools,becomingliterate,anddevelopingastate.

答案是BCD我觉得应该是BCE

d在哪里踢到了啊?就算提到了任何一个段落的内容都概括不了E正好相反概括的是第五段关于农业起源的第三个理论

5.ItisarchaeologistStevenMithen'sthesis,brilliantlydevelopedinhisbookThePrehistoryoftheMind(1996),thatapproximately40,000yearsagothehumanminddevelopedcognitivefluidity,thatis,theintegrationofthespecializationsofthemind:technical,naturalhistory(gearedtounderstandingthebehavioranddistributionofnaturalresources),socialintelligence,andthelinguisticcapacity.Cognitivefluidityexplainstheappearanceofart,religion,andsophisticatedspeech.Oncehumanspossessedsuchamind,theywereabletofindanimaginativesolutiontoasituationofsevereeconomiccrisissuchasthefarmingdilemmadescribedearlier.Mithenproposestheexistenceoffourmentalelementstoaccountfortheemergenceoffarming:(1)theabilitytodeveloptoolsthatcouldbeusedintensivelytoharvestandprocessplantresources;(2)thetendencytouseplantsandanimalsasthemediumtoacquiresocialprestigeandpower;(3)thetendencytodevelop"socialrelationships"withanimalsstructurallysimilartothosedevelopedwithpeople—specifically,t