脑岛的新角色、智能窗户清洁机器人Ozmo、海边的“教室”（解析版）-A4.docxVIP

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中考时文阅读练习24

中考时文阅读练习脑岛的新角色

题型：阅读理解

主题语境：卫生与健康

语篇类型：说明文

词数：268

难度：★★★☆☆

建议用时：8分钟

??Awomanwhocouldntfeelhungryafterastroke(中风)mayhelpusimproveourunderstandingofoneareaofthebrain.

??The28-year-oldCanadianwashospitalizedafterfeelingweakononesideofherbodyandhavingtroublespeaking.Theexaminationresultshowedthatshehadastrokeinabrainareacalledtheinsula(脑岛).

??Soonafterthestroke.thewomannoticedthatsheneverfelthungryanymore,evenwhenshehadnteatenforalongtime.Sheoftenforgottoeatandlostmorethan10kilograms.

??Thewomancouldstilltasteandsmellthefood,butoftenateabouthalfasmuchasusualbecauseshenolongerenjoyedeating.Evenchocolate,herfavoritefood,gavehernopleasure.Thewomanshungerfinallycamebackabout12monthsafterthestroke.Theinsulaisoneoftheleastunderstoodpartsofthebrain.Itworkswithotherpartsofthebraintomakeafeelingofhungerthatencourageseating.?“Thiswomansbrainwouldstillhavebeenreceivingsignals（信号)thatshewasmissingcalories,butbecauseofthedamage(损伤)toherinsula,shewouldnthavebeenawareofthem,saysYoavLivnehattheWeizmannInstituteofScienceinIsrael.

??Thisfindingcouldhelptofindnewwaystotreatobesity(肥胖).Forexample,itmaybepossibletousesomewaystosendsignalstotheinsulatopreventovereating,Livnehsays.Heagreesthatthisisapossibility,butsaysitwillbemoreimportantnottodamagetheinsulasotherfunctions(功能).

1.Whydidthewomaneatlessjustafterthestroke?

A.Shewasinabadmood.

B.Shewastryingtoloseweight.

C.Shewasadvisedtoeatless.

D.Shelosttheabilitytofeelhungry.2.Whathappenedtothewomanayearafterthestroke?

A.Sheoftenforgotsomething.

B.Shecouldnttastethefood.

C.Shelostinterestinchocolate.

D.Shecouldfeelhungryagain.

3.Whatcanweknowabouttheinsula?A.Itiseasytobedamagedafterastroke.

B.Itisthemostim