可引起上消化道出血的疾病有（）
A.反流性食道炎
B.消化性溃疡
C.胰腺癌
D.尿毒症
E.系统性红斑狼疮
参考答案：A, B, C, D, E
I got really when I heard the news.[ ]
A disappointing ; disappointed
B. disappointing; disappointing
C. disappointed; disappointing
D. disappointed ; disappointed
