杆塔金具在哪侧杆塔上进行维护？
参考答案：
挂在导地线上的杆塔金具，归入小号侧杆塔进行维护。
在正向市场中进行卖出套期保值时，只要基差走强，无论现货价格和期货价格上升或下降，均可使保值者得到完全保护，且出现净盈利。（）
It is obvious that talking about something behind others is what everyone will not ________.[ ]
A. come up with
B. put up with
C. keep up with
D. catch up with
