临床诊疗工作中最基本的原则是()。
A.安全无害的原则
B.痛苦最小的原则
C.耗费最少的原则
D.患者第一的原则
E.疗效最佳的原则
参考答案:D
— What does it mean if I fail in the driving test?
— Well, I'm not sure, but most probably _____. [ ]
A. to have another try
B. to wait for the next time
C. having a second one
D. begging another chance.
老年人身体锻炼的指导原则包括哪些?