一般情况下，木结构民用建筑与砖混结构民用建筑之间的防火间距不应小于()米。
A．6
B．8
C．9
D．7
参考答案：B
________, what she had devoted herself to resulted in nothing but failure.
A．To her much disappointment
B．To her great disappointment
C．Great to her disappointment
D．To her disappointment much
联系实际，谈谈如何提高行政管理效率？
