柿子性甘涩、寒，有清热润肺止渴的功效，但下列哪种患者宜吃柿子（）
A.吐血
B.疟疾
C.外感咳嗽
D.脾胃虚寒
参考答案：A
使用小鼠对一农药进行长期致癌试验，每组的动物数至少应为 （）
A.40
B.60
C.80
D.100
E.120
The nurse is teaching a client who receives nitrates for the relief of chest pain. Which of the following instructions should the nurse emphasize（）
A. Repeat the dose of sublingual nitroglycerin every 15 minutes for three doses.
B. Store the drug in a cool, well-lit place.
C. Lie down or sit in a chair for 5 to 10 minutes after taking the drug.
D. Restrict alcohol intake to two drinks per day.
