病人发生甲状腺功能亢进时，其摄取率131I，2小时至少超过（）
A.15%
B.20%
C.25%
D.30%
E.35%
参考答案：C
Besides Tom, ________ Crosettes have two other sons, __________ of whom are all interested in making model planes.
A．不填; two
B．不填; the two
C．the, three
D．the, the three
下述胃溃疡征象，哪项提示为恶性（）
A.黏膜纠集
B.狭颈征
C.项圈征
D.腔外龛影
E.局部胃壁僵硬
