男性,40岁,肝痛、肝硬化、门静脉高压,术前的护理措施正确的是
A.鼓励体育锻炼
B.注射维生素K
C.高蛋白、低脂饮食
D.术日晨放置胃管
E.术前用肥皂水灌肠
参考答案:B
磺胺类药物的作用机制
A.抑制二氢叶酸合成酶
B.抑制二氢叶酸还原酶
C.抑制DNA回旋酶
D.抑制四氢叶酸还原酶
E.抑制四氢叶酸合成酶
This cake is very sweet. You _____ a lot of sugar in it. [ ]
A. should put
B. could have put
C. might put
D. must have put