常用的叉车属具有铲斗、挑杆、桶夹、圆木夹、带推货器的货叉、可（）的货叉或侧移器等。
参考答案：横移
— How often do you eat out?
— __________ , but usually once a week. [ ]
A. Have no idea
B. It depends
C. As usual
D. Generally speaking
生产低合金钢最好选用（）作为原料。
A.沸腾钢
B.镇静钢
C.半镇静钢
