实际烟气量
参考答案：
供给的空气量大于理论空气量，且使1kg燃料完全燃烧时产生的烟气量。
They are said to have developed a new ______ to teaching, which is said to improve classroom teaching greatly.
A．method
B．means
C．way
D．approach
党的领导主要表现在（）领导。
A、政治
B、文化
C、组织
D、思想
