最易引起大出血的消化性溃疡发生在()
A.胃小弯近幽门处
B.胃小弯近贲门处
C.胃底
D.十二指肠球部前壁
E.十二指肠球部后壁
参考答案:E
—What's the matter?
—____________[ ]
A. I have a cold.
B. I feel happy.
C. Fine, thanks.
什么是低碳生活?