Atonetime,computerswereexpectedlargelytoremovetheneedforpapercopiesofdocuments（文件）becausetheycouldbestoredelectronically.Butforallthetextsthatarewritten,storedandsentelectronically,alotofthemarestillendinguponpaper.

ItisdifficulttomeasurethequantityofpaperusedasaresultofInternet-connectedcomputers,althoughjustaboutanyonewhoworksinanofficecantellyouthatwhene-mailisintroduced,theprintersstartworkingovertime.“Ifeelinmybonesthisrevolutioniscausingmoretreestobecutdown,”saysTedSmithoftheEarthVillageOrganisation.

PerhapsthebestsignofhowcomputerandInternetusepushesupdemandforpapercomesfromthehigh-techindustryitself,whichseesprintingasoneofitsmostpromisingnewmarkets.SeveralInternetcompanieshavebeensetuptohelpsmallbusinessesprintqualitydocumentsfromacomputer.EarlierthisweekHewlett-PackardCo.announcedaplantodevelopnewtechnologiesthatwillenablepeopletoprintevenmoresotheycangetahardcopyofabusinessdocument,amedicalrecordorjustaone-linee-mail,eveniftheyarenowherenearacomputer.Asthecompanyseesit,themoreuseoftheInternetthegreaterdemandforprinters

Doesallthismeanenvironmentalconcerns（环境问题）havebeenforgotten?Someactivistssuggestpeoplehavebeenledtobelievethatalotofdangerstotheenvironmenthavegoneaway.“Iguesspeoplebelievethattheproblemistakencareof,becauseofrecycling（回收利用）,”saidKellyQuirke,directoroftheRainforestActionNetworkinSanFrancisco.YetQuirkeishopefulthathigh-techmayalsoprovehelpful.Hesaysprintersthatprintonbothsidesaregrowinginpopularity.Theactiongrouphasalsofoundacceptablepapermadefrommaterialsotherthanwood,suchasagriculturalwaste.

72. Thegrowingdemandforpaperinrecentyearsislargelydueto___________.

A. therapiddevelopmentofsmallbusinesses B.theopeningupofnewmarkets

C. theprintingofhighqualitycopies D.theincreaseduseoftheInternet

73. Environmentalistsbelieveonepossiblewayofd