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1、七选五议论文精选大题A【2016·北京】TheScienceofRisk-SeekingSometimeswedecidethatalittleunnecessarydangerisworthitbecausewhenweweightheriskandthereward,theriskseemsworthtasking. 1 Someofusenjoyactivitiesthatwouldsurpriseandscaretherestofus.Why?Expertssayitmayhavetodowithhowourbrainswor
2、k.Thereasonwhyanyofustakeanyrisksatallmighthavetodowithearlyhumans.Risk-takerswerebetterathunting,fighting,orexploring. 2 AsthequalityofRisk-takingwaspassedfromonegenerationtothenext,humansendedupwithasenseofadventureandatoleranceforrisk.Sowhyaren’twealljumpingoutofai
3、rplanesthen?Well,even200,000yearsago,toomuchrisk-takingcouldgetonekilled.Afewdaringsurvived,though,alongwithafewstay-in-the-cavetypes.Asaresult,humansdevelopedarangeofcharactertypesthatstillexiststoday.Somaybeyoulovecarracing,ormaybeyouhateit.3Nomatterwhereyouareontherisk
4、-seekingrange,scientistssaythatyourwillingnesstotakerisksincreasesduringyourteenageyears.4Tohelpyoudothat,yourbrainincreasesyourhungerfornewexperiences.Newexperiencesoftenmeantakingsomerisks,soyourbrainraisesyourtoleranceforriskaswell.5Fortherisk-seekersapartofthebrainrel
5、atedtopleasurebecomesactive,whilefortherestofus,apartofthebrainrelatedtofearbecomesactive. Asexpertscontinuetostudythescienceofrisk-seeking,we’llcontinuetohitthemountains,thewavesortheshallowendofthepool.A.Italldependsonyourcharacter.B.Thosearetherisksyoushouldjumptotake.
6、C.Beingbetteratthosethingsmeantagreaterchanceofsurvival.D.Thus,thesewell-equippedpeoplesurvivedbecausetheywerethefittest.E.Thisiswhenyoustarttomoveawayfromyourfamilyandintothebiggerworld.F.However,wearenotallusingthesamereferencestandardtoweighrisksandrewards.G.Newbrainre
7、searchsuggestsourbrainsworkdifferentlywhenwefaceanervoussituation.【答案】1-5FCAEG【解析】本文为议论文，文章从科学上对追求冒险和刺激进行了解释。冒险行为与大脑的工作机制有关，当大脑的快乐中枢被激活时，人们就会采取冒险行为。1.考查上下文串联。前一句提到了“weightheriskandthereward”，F项“然而，并不是所有人都使用同样的考量标准来权衡风险和收益。”符含语境,故选F。2.考查上下文串联。“hunting,fightingorexploring”捕
8、猎、战斗和探索等活动是生存的必要条件,C项中的“those”是对这些活动的指代,故选C。3.考查上下文串联。根据“humansdevelopedarangeofcharactertypes..
