叙述治疗口齿科疾病外治的刺割法。
参考答案：
用三棱针对成熟的痈疮或突然发生的血泡进行刺割，使其溃破，流出脓液或血液，达到消肿止痛的作用
9. _____frightened us ____the electricity was suddenly cut off, which threw all of us into the dark.
A． It was; that
B．What was; most was that
C． It ; most what
D． What; most was that
抗滑稳定分析的目的（）
