选择题:_____ on the advice of his doctor, Mr. Park had hi 题目分类:沈阳建筑大学大学英语3 题目类型:选择题 查看权限:VIP 题目内容: _____ on the advice of his doctor, Mr. Park had his eye operated on right after he retired last week.( )(本题1.0分) A、 To act B、 Being acted C、 Having acted D、 Acting 参考答案:
(填空题) 硅酸盐水泥的强度等级有42.5、42.5R、52.5、52.5R、62.5和62.5R六 (填空题) 硅酸盐水泥的强度等级有42.5、42.5R、52.5、52.5R、62.5和62.5R六个。其中R型为_ ,主要是其3d强度较高。(本题2 分类:沈阳建筑大学大学英语3 题型:选择题 查看答案