最常见的呕血病因是( )
A.消化道肿瘤B.急性胆囊炎C.肝硬化门静脉高压D.急性胰腺炎E.消化性溃疡
参考答案:E
温中止痛,又能杀虫止痒的药物是()
A.花椒
B.小茴香
C.丁香
D.肉桂
E.吴茱萸
The editor gives Cindy some . [ ]
A. advices and help
B. advice and helps
C. advices and helps
D. advice and help