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ImagineamassoffloatingwasteistwotimesthesizeofthestateofTexas.Texashasalandareaofmorethan678000squarekilometers.Soitmightbedifficulttoimagineanythingtwiceasbig.Alltogether,thismassofwasteflowingin
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ImagineamassoffloatingwasteistwotimesthesizeofthestateofTexas.Texashasalandareaofmorethan678000squarekilometers.Soitmightbedifficulttoimagineanythingtwiceasbig.
Alltogether,thismassofwasteflowingintheNorthPacificOceanisknownastheGreatPacificOceanGarbagePatch.Itweighsabout3500000tons.Thewasteincludesbags,bottlesandcontainers—plasticproductsofallkinds.
TheeasternpartoftheGreatPacificOceanGarbagePatchisaboutl600kilometerswestofCalifornia.ThewesternpartiswestoftheHawaiianIslandsandeastofJapan.Theareahasbeendescribedasakindofoceanicdesert,withlightwindsandslowmovingwatercurrents.Thewatermovessoslowthatgarbagefromallovertheworldcollectsthere.
Inrecentyears,therehavebeengrowingconcernsaboutthefloatinggarbageanditseffectonseacreaturesandhumanhealth.Scientistssaythousandsofanimalsgettrappedinthefloatingwaste,resultingindeathorinjury.Evenmorediefromalackoffoodorwaterafterswallowingpiecesofplastic.Thetrashcanalsomakeanimalsfeelfull,lesseningtheirdesiretoeatordrink.
Thefloatinggarbagealsocanhaveharmfuleffectsonpeople.Thereisanincreasedthreatofinfectionofdiseasefrompollutedwaste,andfromeatingfishthatswallowedwaste.Diverscanalsogettrappedintheplastic.
Itsexistencefirstgainedpublicattentioninl997.ThatwaswhenracingboatcaptainandoceanographerCharlesMooreandhiscrewsailedintothegarbagewhilereturningfromaracingevent.Fiveyearsearlier,anotheroceanographerlearnedofthetrashafterashipmentofrubberduckiesgotlostatsea.ManyofthosetoysarenowpartoftheGreatPacificOceanGarbagePatch.
InAugust,2009,ateamfromtheUniversityofCalifornia,SanDiegobecamethelatestgrouptotraveltoit.Theywereshockedbytheamountofwastetheysaw.Theygatheredhundredsofseacreaturesandwatersamplestomeasurethegarbagepatch’seffectonoceanenvironment.
小题1:Howdidthewriterintroducethetopicofthepassage?

A.Bygivinganexample.
B.Bylistingthefacts.
C.Bytellingastory.
D.Bygivingacomparison.
小题2:Whatdoweknowab

宋芳回答:
  小题1:D小题2:A小题3:B小题4:D得克萨斯州有大量的垃圾漂浮物竟然是它的州面积的两倍。这些垃圾漂流物是塑料制品,这些受污染的塑料制品会通过食物链来影响人类,它们也会对海洋中的生物以及人类的健康有...
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