下列哪种病最易引起小腿丹毒（）
A.足部挫伤
B.脱疽
C.足癣糜烂
D.足部疔疮
E.下肢静脉曲张
参考答案：C
You might just as well tell the manufacturer that male customers _____ not like the design of the furniture.
A．must
B．shall
C．may
D．need
下列哪一个HLA功能区在人类中具有相同的抗原性
A．肽结合区B．胞浆区C．Ig样区D．HLA穿膜区E．以上均不是
