用某中草药预防流感,其用药组与对照组的流感发病率情况如下表:
则构成四格表的四个基本数据是()
A.
B.
C.
D.
E.
参考答案:D
Correct the mistakes. 找出每句话中的错误并在横线上改正。
1. I don't like rices.
2. My favourite food are soup.
3. I eat bread to lunch.
4. What you like some juice?
5. This is egg.
男性,28岁,因胃溃疡而行胃切除,术后半年上腹部疼痛明显,经常有腹泻,经用抗制酸药物和氟哌酸治疗效果不佳,腹泻腹痛加重,最可能的诊断为()
A.胃空肠吻合口溃疡
B.功能性消化不良
C.慢性胰腺炎
D.促胃液素瘤
E.癌性溃疡