正常近侧腕管平面横轴位SE序列T1WI显示（）

A.头状骨在近排腕骨正中

B.大多角骨在尺侧

C.豆状骨在尺侧

D.近排腕骨弓背向前

E.腕管位于腕背侧

The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area is the（）.

A.General commander

B.Commander general

C.Search commander

D.On-scene commander