单项选择题男,60岁,肺部手术,术前护理中能有效预防术后肺感染的护理措施是:
单项选择题Directions: The following quotes are about the value of life by famous people. Please Identify the author of each quote below.We make a living by what we get; we make a life by what we give A、Winston Churchill B、Albert Einstein C、Mahatma Gandhi D、Charles Darwin