阅读理解。Everydayatleast10000personsintheworlddieofstarvation,accordingtotheWorldHealthOrganization.One-thirdtoone-haftoftheearth'spopulationisunder-nourished(营养不良的)eventhoughmorethanthenecessaryfood

　　阅读理解。Everydayatleast10000personsintheworlddieofstarvation,accordingtotheWorldHealthOrganization.One-thirdtoone-haftoftheearth'spopulationisunder-nourished(营养不良的)eventhoughmorethanthenecessaryfoodforeveryoneonearthisavailable(可获得的).Manynutritionexperts(营养学家专家)saythatoneofthereasonspeoplestarveisthattheyarewillingtoeatonlythekindoffoodstheyareusedto.Forexample,enoughricetofeed1000ChinesewouldbelefttospoilamongEskimos,whodon'teatrice.AstorehousefullofbaconthatwouldbefoodinmanyplacesaroundtheworldwouldmeannothingtomillionsofEastIndians,whowon'teatpork(猪肉)forreligiousreasons.AnothergroupofEastIndians,calledHindus,won'teatbeefbecausetheirreligionforbidsit.Insteadofbeingbutchered,cowsareallowedtoroam(闲逛)freelyinthestreetsinIndiancities.Thousandsofscientistsinallpartsoftheworldareworkingtochangesoybeans(黄豆)andfishmealintofoodthatpeopleofdifferentnationalitieswilleat.Bothsoybeansandfishmealarehighinprotein(蛋白质)andareavailableinlargequantities.Thesescientistsfeelthathumaneatinghabitsareoftenatthebottomoftheworld-widefoodproblem.1.Whatisthemainideaofthispassage?[]A.TheWorldHealthOrganizationsayspeoplearestarving.B.Thereisenoughfoodforeveryone.C.People'seatinghabitsareoneofthecausesoftheworld-widefoodproblem.D.Scientistsaremaltingfoodfromfishmeal.2.Thispassageiswritten_.[]A.toexplainoneofthereasonspeopledieofstarvationB.toexplainwhytherearealwaysstarvingpeopleC.topersuadepeopletoeatfoodofsoybeansandfishmealD.todescribetheeatinghabitsoftheEastIndians3.EastIndianswon'teatpork_.[]A.becausetheydon'tknowwhatporkisB.forreligiousreasonsC.becausetheyprefertostarveD.forhealthreasons4.Cowsarefreeto_inthestreetsinIndiancities.[]A.bebutcheredB.walkhereandthereslowlyC.runquicklyD.doeverything5.Hinduswon'teatbeefbecause_.[]A.cowsroaminthestreetsB.theyareEastIndiansC.theydon'tlikebeefD.theirreligionforbidsit