单项选择题
A.40 B.45 C.50 D.55
A.130 B.140 C.150 D.90
A.45-50 B.45-55 C.55-60 D.60-70
A.90,100 B.100,100 C.100,120 D.110,130
A.250-260 B.300-320 C.350-400 D.350-380
A.1x1 B.1.5x1.5 C.2x2 D.0.5x0.5
A.3-4 B.4-5 C.5-6 D.6-7
A.8-10 B.9-10 C.10-13 D.10-15
A.0.3 B.0.5 C.1 D.1.5
A.2 B.3 C.4 D.5
A.45,0.2,保鲜盒 B.45,0.2,冰箱 C.30,0.3,冰箱 D.60,0.5,保鲜盒