GCT综合英语第7单元课文翻译

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1、仅做参考好好学习，天天向上Unit7PartBGlobalFoodInsecurity全球粮食匮乏Aparticularproblemdirectlyrelatedtocontinuingpopulationgrowthisgrowingglobalfoodinsecurity.Foravarietyofreasonsthedemandforfoodbytheconsumerhasbeguntooutrunthecapacitytoprovide.Whereallattentionwaspreviouslyfocusedon

2、populationgrowthasthesolesourceofdemandonavailablefoodstocks,todayanequallyimportantsourceofdemandhasbecomeapparentandthatisaffluence.Aspercapitaincomeincreases,purchasingpowerclimbsandwithitademandforhigherqualityfoods,especiallyfoodsofanimaloriginsuchasmeat,eggs,

3、milk,andmilkproducts.Eatingmeatcanbeconsideredaninefficientwayofutilizinggrain.IntheUnitedStatesittakesthreepoundsofgraintoproduceapoundofpoultry;5:1istheratioforpork,and10:1forbeef.Intheend,Americanseateightypercentofallthegraintheyconsumeindirectly,firstusingitfo

4、rfeedandthenconsumingthemeat.Onthebasisofthesedata,Americansconsumetheequivalentofonetonofgrainayearwhileinhabitantsofpoorercountriesconsumeonefifthasmuch.Outsideourborders,othernationswithgrowingeconomiesbutwithoutcomparableagriculturehavealsoincreasedtheirappeti

5、tesforanimalprotein.Hence,sixtypercentofNorthAmericanagriculturalsaleshasbeentonationswhosepeoplearealreadyratherwellfed.Atthistime,theapproximatelyonebillionpeopleofthedevelopedworldfeedenoughgraintotheirlivestockandpoultrytoprovideminimalnutritionalrequirementst

6、oanother2billionpeople.Overthelasttwentyyears,therichminorityoftheworldhasdoubleditsmeatconsumption.Thisis,however,notduetoeatingtwiceasmuchmeatpercapita,althoughtherehasbeensomerisehere.Rather,therearetwiceasmanypeoplewiththemoneytobuyahigherqualityprotein-richdi

7、et.Thenetresultisthatwhileworldpopulationhasbeengrowingat1.6percentandagriculturalproductionat2.5percent,worlddemandforfoodhasbeenincreasingat3percentperyear.人口的持续增长带来了与此直接相关的与日俱增的全球粮食匮乏的特殊问题。众多的原因导致了消费者对粮食的需求已经超出了能够提供的能力。之前所有的注意力都放在人口数量增加上，以为其对食物储备供应的唯一来源，而现在一个同等重

8、要的来源已经变得明显，那就是充足的储备。随着人均收入的增加，消费能力的提升，人们提出了高品质食物的要求，特别是动物制品的来源，如肉类、鸡蛋、牛奶及奶制品等。吃肉被认为是谷物的无效利用。在美国，花三磅重的谷物才能喂养出一磅重的家禽，即3：1的比例，猪肉的比例是5：1，牛肉是10：1。最终，美