题目内容

Match the different meanings of "leave behind" in the given sentences.

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Match the different meanings of "pick up" in the given sentences.

Match the different meanings of "drive off" in the given sentences.

某油厂预计3个月需要100吨大豆作为原料。目前大豆的现货价格为每吨2010元，该油厂对该价格比较满意。该油厂为了避免将来大豆价格上涨，导致原材料成本上升的风险，决定在大连商品交易所进行大豆套期保值交易。你认为它应该做多头还是空头？

A. 多头
B. 空头

调度台最常见的故障现象有哪些？