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【判断题】
故障点过渡电阻对距离保护I段影响较小。A.
正确
B.
错误
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【简答题】阅读短文，回答问题：屋里比屋外还冷南方人如何采暖 如今，许多北方城市为了治理大气污染，往往推行集中供热，用两三台大锅炉就可以为整个城市供热．有人说，南方人已经可以跳过北方的锅炉加管道的供热方式，直接以空调采暖． 事实上，空调采暖的费用大、能耗高、舒适感差等弊病是比较明显的．有关调查显示，目前中国城镇符合节能标准的建筑不足3%．与发达国家相比，中国建筑的墙面、地面节能保温程度不及人家的一半，中国民宅...
【单选题】Peter consumes no commodities other than Miller Lite and Bud Light. His annual budget for these two commodities is described by the equation 5x + 30y = 300 where x is sixpacks of Miller Lite and y is ...
A.
He will consume 60 sixpacks of Miller Lite per year.
B.
He will consume 10 cases of Bud Light per year.
C.
He will consume 14 cases of Bud Light per year.
D.
He will consume 12 sixpacks of Miller Lite per year.
【单选题】Harold consumes no commodities other than Miller Lite and Bud Light. His annual budget for these two commodities is described by the equation 5x + 20y = 300 where x is sixpacks of Miller Lite and y is...
A.
He will consume 60 sixpacks of Miller Lite per year.
B.
He will consume 15 cases of Bud Light per year.
C.
He will consume 19 cases of Bud Light per year.
D.
He will consume 12 sixpacks of Miller Lite per year.
【简答题】Limb bud
【简答题】limb bud
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