2013届高三英语星级阶梯阅读练习二星级4AFewlawsaresoeffectivethatyoucanseeresultsjustdaysaftertheytakeeffect.Butintheninedayssincethefederalcigarettetaxmorethandoubled---to$1.01perpack---smokershavejammedtelephone“quitlines”acrossthecountryseekingtokickthehabit.Thisisnotasurprisetopublichealthadvocates.They’vestudiedtheeffectofstatetaxincreasesforyears,findingthatsmokers,especiallyteens,arepricesensitive.Norisitashocktotheindustry,whichfiercelyfightseverytaxincrease.Theonlywonderisthatsomanystatesinsistonclosingtheirearstothemessage.Tobaccotaxesimprovepublichealth,theyraisemoneyandmostparticularly,theydeterpeoplefromtakingupthehabitasteens,whichiswhennearlyallsmokersareaddicted.Yettherateoftaxationvarieswidely.InManhattan,forinstance,whichhasthehighesttaxinthenation,apackofMarlboroLightKingscost$10.06atonedrugstoreWednesday.InCharleston,S.C.,wherethe7-cent-a-packtaxisthelowestinthenation,thepricewas$4.78.Theinfluenceisobvious.InNewYork,highschoolsmokinghitanewlowinthelatestsurveys---13.8%,farbelowthenationalaverage.Bycomparison,26%ofhighschoolstudentssmokeinKentucky.Otherlow-taxstateshavesimilarlydepressingteen-smokingrecords.HalRogers,RepresentativefromKentucky,likethosewhoareagainsthightobaccotaxes,arguesthattheburdenofthetaxfallsonlow-incomeAmericans“whochoosetosmoke.”That’strue.Butthereismorereasoninkeepingfuturegenerationsoflow-incomeworkersfromgettinghookedinthefirstplace.Asfortoday’sadults,ifthenewtaxdrivesthemtoquit,theywillhavemoretospendon1theirfamilies,cuttheirriskofcancerandheartdiseaseandfeelbetter.46.Thetextismainlyabout___________.A.thepriceofcigarettesB.therateofteensmokingC.thedifferencesintobaccotaxrateD.theeffectoftobaccotaxincrease47.Whatdoestheauthorthinkisasurprise?A.Somestatesstillkeepthetobaccotaxlow.B.Teensmokersarepricesensitive.C.Tobaccotaxesimprovepublichealth.D.Tobaccoindustryfiercelyfightsthetaxrise.48.Theunderlinedword"deter"inParagraph3mostprobablymeans.A.benefitB.removeC.discourageD.free49.Rogers’attitudetowardsthelow-incomesmokersmightbethatof.A.toleranceB.sympathyC.doubtD.unconcern50.Whatcanwelearnfromthelastparagraph?A.Thenewtaxwillbebeneficialinthelongrun.B.Low-incomeAmericansaremorelikelytofallill.C.Futuregenerationswillbehookedonsmoking.D.Adultswilldependmoreontheirfamilies.BInaworldwithlimitedland,waterandothernaturalresources,theharmfromthetraditionalbusinessmodelisontherise.Actually,thepastdecadehasseenmoreandmoreforestsdisappearingandtheglobebecomingincreasinglywarm.Peoplenowrealizethatthisunhealthysituationmustbechanged,andthatwemustbeabletodevelopinsustainable(可持续的)ways.Thatmeansgrowthwithlowcarbonordevelopmentofsustainableproducts.Inotherwords,weshouldkeeptheearthhealthywhileusingitssupplyofnaturalresources.Today,sustainabledevelopmentisapropertrendinmanycountries.Accordingtoarecentstudy,theglobalmarketforlow-carbonenergywill2becomethreetimesbiggeroverthenextdecade.China,forexample,hassetitsmindonleadingthatmarket,hopingtoseizechancesinthenewroundoftheglobalenergyrevolution.Itisnowtryinghardtomakefulluseofwindandsolarenergy,andisspendingahugeamountofmoneymakingelectriccarsandhigh-speedtrains.Inaddition,wearealsoseeinggreatgrowthintheglobalmarketsforsustainableproductssuchaspalmoil(棕榈油),whichisproducedwithoutcuttingdownvaluablerainforest.Inrecentyearsthemarketsforsustainableproductshaveg...