专题13阅读理解记叙文2023年Passage1【2023年新高考全国Ⅰ卷】WhenJohnToddwasachild,helovedtoexplorethewoodsaroundhishouse,observinghownaturesolvedproblems.Aditrystream,forexample,oftenbecameclearafterflowingthroughplantsandalongrockswheretinycreatureslived.Whenhegotolder,Johnstartedtowonderifthisprocesscouldbeusedtocleanupthemessespeopleweremaking.Afterstudyingagriculture,medicine,andfisheriesincollege,Johnwentbacktoobservingnatureandaskingquestions.Whycancertainplantstrapharmfulbacteria(细菌)?Whichkindsoffishcaneatcancer-causingchemicals?Withtherightcombinationofanimalsandplants,hefigured,maybehecouldcleanupwastethewaynaturedid.Hedecidedtobuildwhathewouldlatercallaneco-machine.ThetaskJohnsetforhimselfwastoremoveharmfulsubstancesfromsomesludge(污泥).First,heconstructedaseriesofclearfiberglasstanksconnectedtoeachother.Thenhewentaroundtolocalpondsandstreamsandbroughtbacksomeplantsandanimals.Heplacedtheminthetanksandwaited.Littlebylittle,thesedifferentkindsoflifegotusedtooneanotherandformedtheirownecosystem.Afterafewweeks,Johnaddedthesludge.Hewasamazedattheresults.Theplantsandanimalsintheeco-machinetookthesludgeasfoodandbegantoeatit!Withinweeks,ithadallbeendigested,andallthatwasleftwaspurewater.Overtheyears,Johnhastakenonmanybigjobs.Hedevelopedagreenhouse-likefacilitythattreatedsewage(污水)from1,600homesinSouthBurl...
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