痉病的基本病机为
A．阴虚血少，筋脉失养
B．阴虚燥热，风阳妄动
C．邪壅脉络，气血不畅
D．气滞血瘀，筋脉阻滞
E．筋脉肌肉，失养失控
参考答案：A
Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）
A.Press up the slack NO.1 starboard double bottom tank
B.Pump out the forepeak tank
C.Eliminate the water in the 'tween decks aft
以下哪项是飞机在长航程速度下运行的原因（）
A.飞机可以运行在接近抖振开始速度
B.为了防止失去失速稳定性和进入自动俯冲趋势
C.飞行速度略高于最大航程速度时效率高
D.为了达到速度稳定性
