冻疮与多形性红斑最主要的鉴别要点是()
A.冻疮好发于肢端等部位
B.多形性红斑典型皮损为靶形红斑
C.冻疮患者自觉瘙痒
D.冻疮好发于寒冷季节
参考答案:B
() Messages that are sent electronically over a network.
A.input
B.output
C.data
D.E-Mail
象征性思维