热镀锌线退火炉焦炉煤气的理论空气量？
参考答案：燃烧一个标准立方米的焦炉煤气的理论空气量为4.08标准米3（空气中氧含量为21%）
解含x的方程（x-0.4）：8=3：2．
As a scientist, Madam Curie devoted herself ________ to her research and that was why she was given two Nobel Prizes.
A．strongly
B．entirely
C．extremely
D．gradually
