多项选择题

鳞状细胞癌主要应与下列哪些疾病相鉴别（）

A．角化棘皮瘤
B．基底细胞癌
C．恶性黑素瘤
D．脂溢性角化
E．日光角化症

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单项选择题

听力原文：W: Where do you think you lost the wallet?
M: I don't have any idea I had an appointment with Dr. Baker at nine o'clock.
W: What time did you leave his office?
M: At about 9:30 or 9:35. Then I went to the department store. After that I got into a taxi.
W: Isn't it possible that it could have slipped out of your pocket in the taxi?
M: I just don't know. Anyway, I could never find that same taxi again.
What time did the man leave Dr．Baker's office?
A．At 9:30.
B．At 9:35．
C．At 9:30 or 9:35.

A.
W:
B.
W:
C.
What
D.Baker's
E.At
F.
B．At
G.
C．At
H.

关于基底细胞癌的组织病理特点的叙述，以下哪些是错误的( )

A.瘤细胞团位于真皮内
B．瘤细胞大小不一，非典型性明显
C．瘤细胞似正常鳞状上皮细胞
D．瘤团周围有裂隙
E．瘤团位于真皮内