预制外挂墙板间的拼缝防水应在混凝土浇筑完成且达到（）强度后，方可进行。
A.70%
B.80%
C.90%
D.100%
参考答案：D
平等接受义务教育的含义是什么？
______ meaning or stylistic meaning is what a piece of language conveys about the social circumstances of its use.
