第12题: [单项选择]Many representatives are in favor of his proposal that a special committee ______ to investigate the incident. A. were set up B. be set up C. was set up D. set up 参考答案:C 答案解析:解释proposal内容的同位语从句需用“should+动词”作谓语,而且should可省略。故可排除A、B。动词set up和名词committee是动宾关系,故committee作主语,set u
第35题: [单项选择]B类装修材料:装修材料中放射性核素的放射性比活度同时满足( )。 A. IRa≤1.0,IY≤1.3 B. IRa≤1.3、IY≤1.9 C. IY≤2.8 D. IY≥2.8 参考答案:B 答案解析:[考点] 1A432021掌握《民用建筑工程室内环境污染控制规范》中的有关规定