下列属于显影剂的是
A.菲尼酮
B.溴化银
C.硫化钠
D.碳酸钾
E.钨酸钙
参考答案:A
解析:是较好的显影剂之一。
At the airport, all his baggage was stolen, but soon he got them back.
六腑的共同生理特点是
A.受盛水谷
B.传化水谷
C.受盛和传化水谷
D.化生精气
E.贮藏精气