A.1:5 B.1:10 C.1:50 D.1:100
A.泡沫塑料 B.棉纱 C.布料 D.毛线
A.28℃B.27℃C.26℃D.25℃
A.5° B.10° C.15° D.25°
A.10 B.12 C.15 D.20