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1、2019-2020年高考英语二轮复习科普知识阅读理解（3）(I)科普知识（阅读理解）由(xx北京,D)改编Peoplewhomultitaskallthetimemaybetheworstatdoingtwothingsatonce,anewresearchsuggests.Thefindings,basedonperformancesandself-evaluationsbyabout275collegestudents,indicatethatmanypeoplemultitasknotoutofadesi
2、retoincreaseproductivity,butbecausetheyareeasilydistracted(分心)andcan’tfocusononeactivity.And“thosepeopleturnouttobetheworstathandlingdifferentthings,”saidDavidSanbonmatsu,apsychologistattheUniversityofUtah.Sanbonmatsuandhiscolleaguesgavethestudentsasetoftest
3、sandaskedthemtoreporthowoftentheymultitasked,howgoodtheythoughttheywereatit,andhowsensation-seeking(寻求刺激)orimpulsive(冲动)theywere.Theythenevaluatedtheparticipants’multitaskingabilitywithatrickymentaltaskthatrequiredthestudentstodosimplemathematicalcalculation
4、swhilerememberingasetofletters.Notsurprisingly,thescientistssaid,mostpeoplethoughttheywerebetterthanaverageatmultitasking,andthosewhothoughttheywerebetteratitweremorelikelytoreportusingacellphonewhiledrivingorviewingmultiplekindsofmediaatonce.Butthosewhofreq
5、uentlydealwithmanythingsatthesametimewerefoundtoperformtheworstattheactualmultitaskingtest.Theyalsoweremorelikelytoadmittosensation-seekingandimpulsivebehavior,whichconnectswithhoweasilypeoplegetboredanddistracted.“Peoplemultitasknotbecauseit’sgoingtoleadtog
6、reaterproductivity,butbecausethey’redistractible,andtheygetsuckedintothingsthatarenotasimportant.”Sanbonmatsusaid.AdamGazzaley,aresearcherattheUniversityofCalifornia,SanFrancisco,whowasnotamemberoftheresearchgroup,saidonelimitationofthestudywasthatitcouldn’t
7、findoutwhetherpeoplewhostartoutlessfocusedtendtowardmultitaskingorwhetherpeople’srecognizingandunderstandingabilitieschangeasaresultofmultitasking.Thefindingsdosuggest,however,whythesensation-seekerswhomultitaskthemostmayenjoyriskydistracteddriving.“Peoplewh
8、oaremultitaskingaregenerallylesssensitivetoriskysituations,”saidPaulAtchley,anotherresearchernotinthegroup.“Thismaypartlyexplainwhypeoplegoinforthesesituationseventhoughthey’redangerous.”1.There
