下列疾患可造成舌 * * 萎缩，除了
A．扁平苔藓
B．地图舌
C．口腔念珠菌感染
D．B族维生素缺乏
E．盘状红斑狼疮
参考答案：E
--Can you tell me anything about the fire ___ last night?----I’m afraid, ____.
A．theat broke out, very little
B．broke out, just a little
C．happened, only a little
D．taking place, a little
处于长期均衡企业的生产者剩余等于其( )。
A．经济利润
B．固定成本
C．可变成本
D．会计利润
