试题分类:英语 ( ) is an uncertain event or condition that,if it occurs,has a positive or negative effect on one or more project objectives. A.Problem B.Change C.Risk D.Issue试题出处:http://www.ruantiku.com/shiti/1159425477.html 在下面提交答题后即可查看答案与考友试题分析 信管网参考答案:C 信管网解析:进入软题库查看解析 查看更多英语试题>>