选择钢丝绳绳卡的尺寸应适合钢丝绳的直径，一般钢丝绳绳卡的尺寸以大于钢丝绳直径（）左右为佳。
A、1mm
B、2mm
C、3mm
D、4mm
参考答案：A
Steven so active and lively after so many years, which I didn't expect.[ ]
A. remained
B. remains
C. has remained
D. had remained
德育的途径有哪些？
