大豆提油套利是大豆加工商在市场价格关系基本正常时进行的。（）
参考答案：对
解析：说法正确，故选A。
《煤矿安全规程》自（）起施行。
A、2004年10月18日
B、2005年1月1日
C、2005年12月1日
When using delivery as a method to close a futures contract, completion is usually achieved: ()
A. when the trader transacts in the futures market to bring his or her net position in particular futures contract back to zero.
B. when two traders agree to a simultaneous exchange of a cash commodity and futures contracts based on that cash commodity.
C. through the physical delivery of a particular good or by cash settlement.
