工程咨询成果质量评审制度包括()。A.内部评审和外部评审 B.业主评审和承包商评审 发布时间:2017-07-12 11:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 工程咨询成果质量评审制度包括()。A.内部评审和外部评审B.业主评审和承包商评审C.项目评审和社会评审D.业主评审和社会评审
题型:单项选择题 Nobody knows for sure how dinosaurs died out 65,000,000 years ago. It _______ because of sudden changes of their living conditions.A.must have happenedB.would have happenedC.should have happenedD.might have happened 查看答案