眶蜂窝织炎的严重并发症有（）
A.眶尖综合征
B.海绵窦血栓形成
C.视神经萎缩
D.颅内感染
E.骨膜下脓肿
参考答案：A, B, C, D
放线菌素D用于治疗：
A．异型细胞局限在上皮层上1/3B．异型细胞局限在上皮层上1/3～2/3C．宫颈重度不典型增生D．子宫细胞局限在上皮全层，腺体受累，但未突破基底膜E．癌细胞浸润突破基底膜下2mm，宽度3mm
—Excuse me, where is Mr Brown's office?
—Sorry, I don't know. I ______ here for only a few days. [ ]
A. work
B. worked
C. have worked
D. will work
