前纵隔不常见的肿瘤是（）
A.恶性淋巴瘤
B.恶性畸胎瘤
C.胸骨后甲状腺
D.胸腺瘤
E.皮样囊肿
参考答案：A
弯曲菌可接种于（）
A．改良的Kelly培养基
B．Korthof培养基
C．EPV琼脂
D．庆大霉素琼脂
E．Skirrow琼脂
It was one of those days when it looked at first something interesting could happen, but then later, when you didn’t expect anything, almost everything happened.
A. nothing B. anything C. everything D. all things
