经油炸的青鱼块罐头
参考答案:16041990
对于消化性溃疡的癌变,下列哪项是正确的()
A.消化性溃疡的癌变率大于10%
B.胃溃疡癌变常发生于溃疡的边缘
C.十二指肠溃疡的癌变率较高
D.症状顽固经严格的4周内科治疗无改善者
E.胃溃疡癌变率与年龄无关
The young lady we met yesterday is our new maths teacher. [ ]
A. what
B. whose
C. whom
D. which