冻结法施工时，冷冻站应安设在井口（）范围。
A.10—30米
B.30—50米
C.50—70米
参考答案：B
Audiences and critics were _____ by its originality, vitality, and excitement of the Beijing Olympic opening ceremony. [ ]
A. happened
B. reflected
C. occurred
D. struck
江苏省实施《中华人民共和国国家通用语言文字法》办法从什么时间开始施行？
