单选题:混凝土结构设计、施工质量控制和工程验收的重要依据是(  )。

题目内容:
混凝土结构设计、施工质量控制和工程验收的重要依据是(  )。 A.混凝土强度等级
B.混凝土拌合物的和易性
C.混凝土耐久性
D.混凝土的凝结时间

参考答案:
答案解析:

与行政行为的单方意志性紧密联系在一起的是(  ),否则就无法实现行政行为的单方意志性。

与行政行为的单方意志性紧密联系在一起的是(  ),否则就无法实现行政行为的单方意志性。A.协调性 B.法制性 C.强制性 D.合理性

查看答案

How will the hours of operation be altered during holiday p

How will the hours of operation be altered during holiday periods?It may______

查看答案

Exercise helps pain sufferers to recover more quickly than

Exercise helps pain sufferers to recover more quickly than traditional treatmen

查看答案

Since the Great Depression, the United States government ha

Since the Great Depression, the United States government has protected farmers

查看答案

Her faith upheld her in times of sadness.A supported B exc

Her faith upheld her in times of sadness.A supported B excited C inspired

查看答案