Her parents had had a very anxious moment but everything ________ all right in the end.

A．turned up

B．turned down

C．turned away

D．turned out

根据断肢（指）损伤的性质，断肢一般可分为（）

A.切割性和撕裂性断肢两大类

B.完全性与不完全性断肢两大类

C.撕裂性和辗压性断肢两大类

D.切割性和辗压性断肢两大类

E.部分离断和撕裂性离断两大类