题型:填空题 人们为提高粮食产量,曾采取下列措施,其中已经证明为错误的是( )A.发展农业科学,培育高产优质的粮食品种B.尽量使用人畜粪便等有机肥C.大规模围湖造田,开垦草原以扩大耕地D.实行农地规划,加强农田管理 查看答案
题型:填空题 _____ the misunderstanding removed, the two old friends ______ happily.A.As, took upB.Because, put upC.Although, brought upD.With, made up 查看答案