单纯疱疹性角膜炎在眼部的表现有()
A.树枝状和地图状角膜炎
B.角膜基质炎
C.角膜内皮炎
D.虹膜睫状体炎
E.滤泡性结膜炎
参考答案:A, B, C, D, E
血吸虫病的传染源是()
A.猫
B.家禽
C.狗
D.钉螺
E.病人和保虫宿主
At all angles of inclination, the metacenter is().
A.vertically above the center of buoyancy
B.vertically above the center of gravity
C.at the intersection of the upright vertical centerline and the line of action of the buoyant force
D.at the geometric center of the underwater volume