受检负温混凝土
参考答案：
按照标准规定的试验条件配置掺防冻剂并按规定条件养护的混凝土。
He had a strong desire _____ his parents, but it turned out that the result was far from _____. [ ]
A. to satisfy; satisfactory
B. satisfying; satisfaction
C. to satisfy; satisfied
D. to be satisfied with; satisfaction
基层协会应把会员小组和（）活动网络作为加强村级协会组织建设的重要环节抓好。
A、会员联系户
B、会员
C、群众
