鼻导管低流量3L/min给氧,FiO可达()
A.24%
B.28%
C.32%
D.36%
E.40%
参考答案:C
—The doctor told me _______ too much but I find it difficult.
—The doctor is right. The less you drink, _______ you will be. [ ]
A. don't drink; the healthier
B. not to drink; the healthier
C. not to drink; the more healthier
D. don't drink; healthier