单腿站立试验(Trendelenburg test)是用来检查
A.脊柱结核,腰大肌寒性脓肿B.先天性髋脱位C.脊柱侧凸D.半月板损伤E.双下肢不等长
参考答案:B
在登记账簿过程中,每一帐页的最后一行及下一页第一行都要办理转页手续,是为了( )
A.便于查账
B.防止遗漏
C.防止隔页
D.保持纪录
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form,indicate().
A.clearing weather
B.that a warm front has passed
C.probable thunderstorm activity
D.an approaching hurricane or typhoon