2021版高考英语一轮复习限时规范练33Unit17LaughterA北师大版选修6

限时规范练33 Unit 17 Laughter A核心素养关键词:培养学生人与社会、健康生活的素养能力意识　限时规范练第66页　 一、阅读理解ASquirrels aren’t natural ci

限时规范练33Unit17LaughterA 核心素养关键词:培养学生人与社会、健康生活的素养能力意识 限时规范练第66页 一、阅读理解 A Squirrelsaren’tnaturalcitydwellers(居民).In1856thesightofoneinatree nearNewYork’scityhallsosurprisedpassers-bythatanewspaperpublisheda reportaboutthe“unusualvisitor”. Aroundthattime,thetree-dwellinganimalswerebeingsetfreeinAmerica’s urbanareasto“createpocketsofpeaceandcalmlikethecountryside,”says UniversityofPennsylvaniahistorianEtienneBenson,whostudiedourrelationshipto squirrelsoverthecourseoffiveyears. FirsttheywereintroducedtoPhiladelphia,thentoNewHaven,Boston,andNewYork City.Parkvisitorswereencouragedtofeedthem,andsecurityguardsensuredtheir safety.Inthe1910saleaderoftheBoyScoutsofAmerica(anorganizationteaching boyspracticalskills)saidthatteachingchildrentofeedsquirrelscouldshowthe rewardsoftreatingaweakercreaturewithsympathy,saysBenson. Bytheearly20thcentury,though,Americabegantoregretthefriendlinessithad shownsquirrels.Citieshadoncebeenfilledwithanimals—fromhorsespullinggoods todairycows.Bythe1950sthoseworkinganimalshadbeenmovedtothe countryside.Petsandwildanimalssuchasbirdsandsquirrelswereallthatremained oftheurbananimalkingdom.