第25题: [单项选择]Diana made a lot of effort to persuade her parents into ______ to her going to the United States to study business administration in MIT. A. contending B. contesting C. contenting D. consenting 参考答案:D 答案解析:contend斗争,竞争,主张;contest争论,争辩,竞赛;content使满足;consent to同意。
第33题: [单项选择]现场采用重叠法预制钢筋混凝土桩时,上层桩的浇注应等到下层桩混凝土强度达到设计强度等级的( )。 A. 30% B. 60% C. 70% D. 100% 参考答案:A 答案解析:制作预制桩有并列法、间隔法、重叠法、翻模法。现场预制桩多用重叠法预制,重叠层数不宜超过4层,层与层之间应涂刷隔离剂,上层桩或邻近桩的灌注,应在下层桩或邻近桩混凝土强度达到设计强度等级的30%以后方可进