为促进幼苗生长,苗期应多适()。 ["A、氮","B、磷","C、钾","D、镁"]
脂肪动员时脂肪酸在血中的运输形式是() ["与HDL结合","与球蛋白结合","与清蛋白结合","与CM结合"]
下列花卉植物中,()一般不作切花栽培。 ["A、菊花","B、月季","C、满天星","D、羽衣甘蓝"]
下列几组花卉中全部是木本花卉的是()。 ["A、香雪球、小蜡、女贞","B、丁香、四季秋海棠、天竺葵","C、紫藤、月季、垂丝海棠","D、桂花、荷花、牡丹"]
1mol12C脂肪酸彻底氧化可净生成多少molATP?() ["131","129","95","97"]
合同有哪些类型?