肺癌空洞、肺结核空洞及肺脓肿空洞鉴别的最主要方法是()
A.病史、症状
B.胸部正侧位X线片和胸部CT
C.放射性核素扫描
D.痰细胞学和细菌学检查
E.体征区别
参考答案:D
慢性肾衰竭水负荷过多所致的心衰,最有效的治疗措施是()
A.大剂量呋塞米
B.饱和量洋地黄药物
C.低盐饮食和控制水分
D.血液透析
E.立即给予硝普钠
You are the project manager of a civil construction company involved with building houses. In your project, you often use work breakdown structures (WBS)from your previous projects as templates. A work breakdown structure can be used for all the following except ______ .
A) tracking project performance against cost and scheduleB) creating a network diagram, with task dependenciesC) creating a project scheduleD) assigning resources to work on different work elements