火力发电厂对大气的污染主要来自燃料的燃烧
参考答案:对
What are you wearing? [ ]
A. Pants.
B. Shorts.
C. Socks.
对气与津液关系的理解,下列哪项内容欠妥()
A.气载于津
B.津随气脱
C.气能生津
D.水停气阻
E.津摄于气