A、4 B、2 C、5 D、3……

问答题There are a couple of plants tough and adaptable enough to survive on bare rocky hills and in deserts. （CET6-2018.6） A、not covered by clothing B、having no vegetation C、lacking the usual furnishings or decorations D、simple or essential

问答题种子水分快速测定主要采用电子仪器，我国目前应用的电子水分仪以[填空(1)] 式和[填空(1)] 式较普遍。