当日平均气温降到()以下时,混凝土工程必须采取冬期施工技术措施。
A.0℃
B.-2℃
C.5℃
D.10℃
参考答案:C
After that, he knew he could ___ any emergency by doing what he could to the best of his ability. [ ]
A. get away with
B. get on with
C. get through
D. get across
下列方法中,既可用于价值工程对象选择,又可用于确定功能重要性系数的是( )。
A.因素分析法
B.重点选择法
C.专家检查法
D.强制确定法