某先生40岁，因右小腿严重外伤后，发生气性坏疽，住院治疗：
首先的处理是
A．给氧B．高压氧治疗C．止痛D．手术E．加强营养
参考答案：D
All the neighbor admire this family. _________the parents are treating their child like a friend.
A．why
B．where
C．which
D．that
为什么说在燃烧调节时只调燃料不调风或只调风不调燃料的操作是错误的？
