下列肺癌除哪种表现外，皆不适宜手术（）
A.肺性骨关节病
B.血性胸腔积液
C.声嘶
D.上半身静脉扩张
E.锁骨上淋巴结活检有肿瘤细胞
参考答案：A
—Did you see a young man in black pass by just now?
—No, sir. I ______ a magazine.
A. read
B. was reading
C. am reading
D. would read
阿司匹林可用于
A．月经痛
B．胃肠痉挛绞痛
C．大面积烧伤
D．心绞痛
E．术后剧痛
