Tom and Jim were bore on ______ same day .[ ]
A. a
B. an
C. the
D. /
答案:C
Wegeners肉芽肿()
A.非干酪性上皮样肉芽肿
B.干酪性肉芽肿
C.坏死性肉芽肿
D.淋巴瘤样肉芽肿
E.嗜酸性肉芽肿
井上、下对照图有什么用途?