颞下颌关节炎性疾病不包括()
A.急性滑膜炎
B.慢性滑膜炎
C.关节囊炎
D.咀嚼肌炎
E.肌纤维性变
参考答案:D, E
人民警察能在复杂情况下临危不惧、处变不惊,是( )能力的体现。
A.群众工作
B.分析综合
C.应变决断
D.岗位专业
A neutral equilibrium position for a vessel means that the metacenter is().
A.lower than the keel
B.at the same height as the center of gravity
C.exactly at midships
D.at the center of the waterplane area