社会优抚是一项综合性的社会保障制度，具体包括（）。
A、优待
B、抚恤
C、全民性社会福利
D、安置
参考答案：A, B, D
— Is there _______ in today's newspaper?
— Yes, it's really cheerful to read that a group of _______ kids joined the volunteers!
A．anything new; ten-year-old
B．something new; ten-years-old
C．anything new; ten-years-old
D．something new; ten-year-old
锻造工艺与铸造工艺相比材料的机械性能（）。
A.高
B.低
C.相同
D.不一定
