教育的社会制约性
参考答案：
是教育社会性的最主要表现形式，指教育受一定生产关系和生产力发展水平的制约，同时也受社会文化传统和人口等其他社会因素的制约。
When _______, he didn't want to tell us _______ he had done to the old blind man. [ ]
A. being asked, that what
B. asking, all that
C. asked, all that
D. to be asked, all which
应急救援预案应经过上级部门（）后，才能实施。
A、批准
B、备案
C、研究
