飞行操纵系统中硬式传动机构的主要构件是：（）.
A.传动杆和摇臂机构
B.传动杆和钢索机构
C.钢索和滑轮机构
D.摇臂和滑轮机构
参考答案：A
不属于建设准备阶段的工作是（）。
A．征地、拆迁
B．施工进度计划审批
C．场地平整
D．组织施工招标
A client with left-sided heart failure complains of increasing shortness of breath and is agitated and coughing up pink-tinged, foamy sputum. The nurse should recognize these as signs and symptoms of
A．right-sided heart failure.
B．acute pulmonary edema.
C．pneumonia.
D．cardiogenic shock.
