下列不是肝功能衰竭的临床表现的是（）
A.出血
B.黄疸
C.PO2
D.神经精神症状
E.氮质血症
参考答案：C
— ______ does your mother work?
— She works in a ______. She is a clerk. [ ]
A. What, TV station
B. What, restaurant
C. Where, bank
D. Where, shop
与一般电阻炉相比，盐浴炉有何优点？
