烧结点火目的是点燃燃料，借抽风作用，继续烧结。
参考答案：对
祛邪适用于
A．虚证
B．实证
C．虚实夹杂证
D．邪盛正虚，尚耐攻伐，兼顾扶正会助邪
E．正虚邪盛，不耐攻伐，兼顾祛邪会伤正
The mother looked _______ because her son hadn't been back. [ ]
A. worry
B. to worry
C. worried
