2013届高考英语一轮复习课时知能训练 Unit 2 Working the land 新人教版必修4.doc

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1、课时知能训练Ⅰ.阅读理解Doyouwanttoimproveyourmemory？Areyoustrugglingtoremembernamesandfacesasyougetolder？Trypickingupthephoneandspeakingtosomeone.Scientistshavefoundthatholdingasimpleconversationcouldbejustaseffectiveasplayingpopular‘braintraining’gamesthathavereproducedamult

2、imillionpoundindustry.Researcherscompared36studiesonmemoryexercisesperformedbetween1970and2007.Somestudiessuggestedbothhealthyolderadultsandthosewithmildcognitiveimpairment(轻度认知缺陷)couldrememberwordsbetteraftersomememorytraining.However，otherstudiesfoundthisimprovem

3、entwasmatchedbythosewhowereaskedtoholdadiscussionaboutart.ThefindingthatsocialinteractioncouldbejustaseffectiveatkeepingmemorylossatbaycomesafterAgeConcernwarnedmorethanamillionpeopleagedover65livedaloneintheirownhomes.Thecharitywarnedsolitarylifestyleswerea‘silent

4、epidemic(静默的流行病)’spreadingthroughthenationquickly.DrMartinsaidmostpeopleexperiencedacognitivedeclineinoldage.Thiscanincludememorylossandinabilitytoplan，paycloseattentionorperformtasksasquicklyasbefore.Thenormalrateofdeclineseemstospeedupinsomepeople，leadingtoacondi

5、tioncalledmildcognitiveimpairment，whichsomeresearchersseeasareasonfordevelopingmentaldiseaseslaterinlife.Althoughseveralstudieshavesuggestedthatbraintrainingexercisescoulddelaysignsofcognitivedecline，thestudiesandthetypesoftraininghavemanydifferentkinds.Thefindings

6、donotmeanthatlonger，moreintenseordifferentexercisesmightnotbeeffective，butthatthosewhichhavebeenreportedthusfarhaveonlylimitedeffect.DrMartinconcludedresearchersneededtoimprovethewaytheyusedtheirstudiestoeventuallydeterminewaysofpreventingcognitivedeclineinoldage.1

7、．WhatisthemainideaofParagraph1?A．Peopleshouldplaymore‘braintraining’games.B．Traininghasagreateffectonourhealth.C．HavingaconversationcanimprovememoryD．Peoplehavenowaystoimprovememory【解析】　段落大意题。根据第一段的“Doyouwanttoimproveyourmemory？Areyoustrugglingtoremembernamesandfac

8、esasyougetolder？Trypickingupthephoneandspeakingtosomeone.”可知，本段主要讲述了谈话可以改善记忆力。【答案】　C2．Whatdoestheunderlinedword“solitary”probablymean?A．Unhealthy