YuanLongpingwasbornin1930andgraduatedfromcollegein1953,...
问题详情：YuanLongpingwasbornin1930andgraduatedfromcollegein1953,whenhungerwasabigproblemformanypeoplein_____36_____countryside.Sincethen,findingwaystogrowmorerice_____37_____(be)hislifegoal.Hebegantose...