高产奶牛发生酮血、酮尿、酮乳的根本原因是( )。A.体内酮体增加 B.犊牛吮乳增加 发布时间:2017-06-19 10:29 │ 来源:www.tikuol.com 题型:单项选择题 问题: 高产奶牛发生酮血、酮尿、酮乳的根本原因是( )。A.体内酮体增加B.犊牛吮乳增加C.胎儿生长迅速D.机体本身产糖不足E.以上都是
题型:单项选择题 At the first phase end of the project, you should ensure that ______ before you begin the next phase.A.resource are available for the next phaseB.progress was achieved to its baselineC.corrective actions are taken to bring project resultsD.the phase has achieved the objectives and formally accepts its deliverables 查看答案