患者手指被鱼虾之刺划破皮肤后，局部红斑，边界欠清的急性感染性疾病称( )
A．内发丹毒B．赤游风C．流火D．抱头火丹E．以上都不是
参考答案：E
Some people said _____ that Copenhagen Conference 2009 didn’t reach any official agreement.
A．what was a pity
B．what a pity it was
C．how pity was it
D．it was what a pity
外科疾病总的发病机理主要是______、______和______。
