目前,决策者用于选择战略的方法有多种,其中最著名的就是()
A.SWOT分析
B.线性规划法
C.BCG矩阵分析
D.盈亏平衡法
参考答案:C
(8分)质量为5kg的木块放在水平木板上,木块与木板间的动摩擦因数为0.75,要使木块能沿木板匀速滑动,需给木块施加水平力为F,请画出木块在木板上匀速运动时的受力分析图,并求出力F的大小是多少?(g=10m/s2)
The nurse is caring for a client who required chest tube insertion for a pneumothorax. To assess a client for pneumothorax resolution, the nurse can anticipate that he'll require
A.monitoring of arterial oxygen saturation (SaO2).
B.arterial blood gas (ABG) studies.
C.chest auscultation.
D.a chest X-ray.