资源描述:
《阅读理解题,,,1_学科竞赛_小学教育_教育专区》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、第1篇Youreinabitofadilemmastandinginfrontoftheproducesectionofyourlocalsupermarket.Inonehand,youYcholdingaconventionallygrownGrannySmithapple・Inyourotherhand,youhaveonethat'sbeenorganicallygrown・Bothapplesarefirm,shinyandgreen.Bothprovidevitaminsandfiber,andbotharefreeoffat,sodiumandcholesterol.T
2、heconventionallygrownapplecostslessandisaprovenfamilyfavorite・But(heorganicapplehasalabelthatsays"USDAOrganic1*.Doesthatmeanit'sbetter?Safer?Morenutritious?Severaldifferencesbetweenorganicandrganicfoodsexist.Becomeabetterinformedconsumerforyournexttriptothesupermarket.^Conventionalvsorganicfarm
3、ingTheword"organic”referstothewayfannersgrow*andprocessagriculturalproducts,suchasfruits,vegetables,grains,dairyproductsandmeat.Organicfaintingpracticesaredesignedloencouragesoilandwaterconservationandreducepollution.Farmerswhogroworganicproduceandmeatdon'tuseconventionalmethodstofertilize,cont
4、rolweedsorpreventlivestockdisease・Hereareotherdifferencesbetweenconventionalfarmingandorganicfarming:ConventionalfarmersOrganicfarmersApplychemicalfertilizerstopromoteplantgrowth,Applynaturalfertilizerstofeedsoilandplants・Applyinsecticidestoreducepestsanddisease.Usebeneficialinsectsandbirdstore
5、ducepestsanddisease・Giveanimalsantibiotics(抗生索),growthhonnones(激索)andmedicationstopreventdiseaseandpromotegrowth,housingGiveanimalsorganicfeedandallowthemaccesstotheoutdoors・Usepreventivemeasures—suchasabalanceddietandcleanhousing—tohelpminimizedisease・*Organicornot?CheckthelabelTheU.S.Departme
6、ntofAgriculture(USDA)hasestablishedanorganicccrtificationprogramthatrequiresallorganicfoodstomeetstrictgovernmentstandards・Thesestandardsregulatehowsuchfoodsaregrown,handledandprocessed・AnyfarmerorfoodmanufacturerwholabelsandsellsaproductasorganicnlustbeUSDAcertifiedasmeetingthesestandards・Only
7、producerswhoselllessthan$5,000ayearinorganicfoodsareexempl(免除)fromthiscertification.IfafoodbearsaUSDAOrganiclabel,itmeansitsproducedandprocessedaccordingtotheUSDAstandards.Thesealisvoluntary,butmanyorganicproducersuseit.l.Themainp