ironment,thenpeopleshouldstoplittering,”saidRobKrebs,aGreenpeaceactivist.Inaword,Thechallengeisconvincingcitizenstochangetheirhabits.Wehavetogobacktoourgrandmothers’habits.Theunderlineword“prominent”inParagraph2istheclosestinmeaningto_______.A.monC.attractiveD.rare2.Accordingtothepassage,Theplasticbagpresentsthegreatestthreatto_______.A.creaturesintheseaB.wildanimalsintheforestC.thepatientswithlungdiseaseD.plantsandtreesinthecountryside3.Whatdoestheauthorthinkofusingpaperbagsinplaceofplasticones?A.ProperB.WiseC.PracticalD.Unreasonable4.Thewords“ourgrandmothers’habits”inthelastparagraphprobablyreferto_______.A.takingbasketstoshoppingB.takingexercisesinthemorningC.notusingthingsmadeofplasticD.notusingthingsmadeofwhitepapers5.Whichofthefollowingisthemostimportantpointtheauthorintendstoconvey?