当A司生产了一包棒球运动员卡,并以50美分出售时,GDP是(),当一个棒球运动员卡的收集者以1500美元的价格卖给另一个收集者时,GDP是()
A. 50美分,1500面源
B. 50美分,0美元
C. 50美分,1000美元
D. 0美元,0美元
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如果一个鞋匠买了100元的皮革和50元的线,用它们生产并向消费者出售了价值500元的鞋,对GDP的贡献是()
A. 50
B. 100
C. 500
D. 600
用所给词汇正确形式填写1 I'm not sure of the exact number, but the ___________ cost of this type of computer ranges from around $800 to $1000.(approximately)
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Please wait for a while; the manager is________ discussing the matter with the clients.(present)