A.He and Elizabeth argued recently. B.He heard Elizabeth did poorly on the last test. C.He doesn't want to bother Elizabeth so late in the evening. D.He'd rather study in his own dormitory.
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【简答题】A 国稿纸的需求曲线方程为Q D =350-0.5p,供给曲线方程为Q S =-200+5p, 若没有国际贸易, A 国稿纸的 均衡价格和均衡产量是多少?