路由器的控制功能一般包括（）。 1.转发确定 2.背板转发 3.输出链路调度 ["1，2，3都不是","2，3","1，2，3","1，3"]
To “shore up” the main deck for the stowage of deck cargo means to（）. ["weld pad eyes on deck in proper position to secure the cargo","strengthen the main deck by placing pillars underneath it in the tween-decks","distribute the weight of the cargo by placing fore-and-aft planks on the main deck","package the cargo in wooden crates so it will not damage the deck"]
A refrigerant gives up heat when it goes through （）. ["condenser","regurgitate","evaporator","boil coil"]
制造商可以明显降低单位成本，但是会相应地增加库存的战略是（）。
因素分析法比较简单，对筹资数量的预测结果不太精确。（）
烧结矿所用原料有哪些？
