* * 腺癌的可能来源不包括（）
A.残留中肾管
B.残留副中肾管
C.腺病
D.异位子宫内膜
E. * * 鳞状上皮
参考答案：E
Mr Green won't leave here until his wife ______ back tomorrow. [ ]
A. come
B. came
C. comes
D. will come
97％以上的直肠癌向远端浸润不超过（）
A.1cm
B.2cm
C.3cm
D.4cm
E.5cm
