我国社会保障制度的改革，需要完善的重点是( )。
A．职工养老保险
B．社会救济
C．失业保障
D．社会优抚
E．医疗保险
参考答案：A,C,D
休克病人应采取何种体位（）。
A.下肢低垂10°～15°
B.平卧位
C.头躯干抬高20°～30°，下肢抬高15°～20°
D.半卧位
E.俯卧位
-The police have been the area for quite a long time.
-I've also noticed that. What have they been ? [ ]
A. searching; searching
B. searching for; searching
C. searching for; searching for
D. searching ; searching for
