PassageAYuanLongpingwasborninBeijingin1930.Hedevelopedh...
問題詳情：PassageAYuanLongpingwasborninBeijingin1930.Hedevelopedhisnewkindofricein1974,whichhelpedmanycountriesgrowmorericethaneverbefore.Soheiscalled"theFatherofRice."PassageBDearDiana,Lastweek,wehad...