社会福利不属于社会保障的范畴。( )
参考答案：错
261. The players of China won 150 gold medals in Pusan Asain Games of 2002. Our players _____ to be very great.
A．are proved
B．did prove
C．were proved
D．was proved
嵌体箱状洞形洞斜面宽的正常值约为多少毫米( )
A．2.0
B．3.0
C．2.5
D．0.8
E．1.5
