关节脱位在整复成功时发出的响声是()
A.肌腱弹跳声
B.关节弹响声
C.人臼声
D.骨擦音
E.摩擦声
参考答案:C
More than 70 percent of the playground in our school __ covered by water now.
A.are
B.is
C.were
D.be
胸腔积液呈绿色应考虑
A.结核菌感染B.化脓菌感染C.病毒感染D.铜绿假单胞菌感染E.外伤