单选题:The team's efforts to score were __________ by the opposing 题目分类:专四 题目类型:单选题 查看权限:VIP 题目内容: The team's efforts to score were __________ by the opposing goalkeeper. A.frustrated B.prevented C.discouraged D.accomplished 参考答案: 答案解析:
先张法施工中,预应力钢材放松时的混凝土强度,设计无规定时,一般不应低于混计强度标准值的( )。 先张法施工中,预应力钢材放松时的混凝土强度,设计无规定时,一般不应低于混计强度标准值的( )。 分类:专四 题型:单选题 查看答案