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江西省2012届高三英语二轮专项训练：阅读理解（51）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。AMakinggreenerchoicesandencouraginghealthylifestylescanpromoteyourhealthandbenefittheenvironment．Herearesomeguidelinestofollow:ChoosefoodsthoughtfullyAmericanshaveneverhadsuchavarietyorabundanceoffoodtochoosefrom．Besidessomanychoices,wenowhearaboutour"foodprint",theamountoflandneededtosupplyoneperson'snutritionalneedsforayear．DowebuycherrytomatoesfromMexicoortomatoesgrownlocallyinahothouse?Do．wegettheGrannySmithsfromthefanners'marketorthesupermarket?Isorganicproducehealthierforusandtheplanet?Theseareverycomplexissuesthatrequireanalysisofmanycriteria,includingtheenergyusedinproducingandtransportingthefood,aswellasthetypeofsoilandmethodsofraisingthefood．Despitethecomplexities,therearesomegeneralguid