【SincethefirstEarthDayin1970Americanshavegottenalot“greener”towardtheenvironment.“Wedidn'tknowatthattimethatthereevenwasanenvironment，letalonethattherewasaproblemwithit”saysBruceAndersonpresidento】

SincethefirstEarthDayin1970Americanshavegottenalot“greener”towardtheenvironment.“Wedidn'tknowatthattimethatthereevenwasanenvironment，letalonethattherewasaproblemwithit”saysBruceAndersonpresidentofEarthDayUSA.

Butwhatbeganasnothingimportantinpublicaffairshasgrownintoasocialmovement.Businesspeoplepoliticalleadersuniversityprofessors，andespeciallymillionsofgrass­rootsAmericansaretakingpartinthemovement.“Theunderstandinghasincreasedmanymanytimes”saysGaylordNelsontheformergovernorfromWisconsinwhothoughtupthefirstEarthDay.

AccordingtoUSgovernmentreportsemissions(排放)fromcarsandtruckshavedroppedfrom10.3milliontonsayearto5.5milliontons.ThenumberofcitiesproducingCObeyondthestandardhasbeenreducedfrom40to9.Althoughseriousproblemsstillremainandneedtobedealtwith，theworldisasaferandhealthierplace.Akindof“greenthinking”hasbecomepartofpractices.

Greatimprovementhasbeenachieved.In1988therewereonly600recyclingprograms；todayin1995thereareabout6600advancedlightsmotorsandbuildingdesignshavehelpedsavealotofenergyandthereforepreventedpollution.

Twenty­fiveyearsagotherewerehardlyanyeducationprogramsforenvironment.Todayit'shardtofindapublicschooluniversityorlawschoolthatdoesnothavesuchakindofprogram.“Untilwedothat，nothingelsewillchange!”saysBruceAnderson.

24.AccordingtoAndersonbefore1970Americanshadlittleideaabout________．

A.thesocialmovement B.recyclingtechniques

C.environmentalproblems D.theimportanceofEarthDay

25.Wheredoesthesupportforenvironmentalprotectionmainlycomefrom?

A.Thegrass­rootslevel. B.Thebusinesscircle.

C.Governmentofficials. D.Universityprofessors.

26.WhathaveAmericansachievedinenvironmentalprotection?

A.Theyhavecutcaremissionstothelowest.

B.Theyhavesettledtheirenvironmentalproblems.

C.TheyhaveloweredtheirCOlevelsinfortycities.

D.Theyhavereducedpollutionthrougheffectivemeasures.

27