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【单选题】
商品X和Y的价格分别为30和20,消费者收入为100元,当消费者购买2单位X和2单位Y时,X对Y的边际替代率MRS=2,则为了实现消费者均衡,消费者应该A.
停止购买
B.
增加X的购买，减少Y的购买
C.
增加Y的购买，减少X的购买
D.
同时增加X和Y的购买量
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【简答题】热网菌( Pyrodictium )能够在高达() °C 的温度下生长。
【单选题】Since the 1980s, Wal-Mart stores have appeared in almost every community in America. Wal-Mart buys its goods in large quantities and, therefore, at cheaper prices. Wal-Mart also locates its stores whe...
A.
consumers do not react to changing prices.
B.
there are diseconomies of scale in retail sales.
C.
there are economies of scale in retail sales.
D.
there are diminishing returns to producing and selling retail goods.
【简答题】The s______ of the restaurant is very good, so it has many old customers.
【单选题】About how many customers come to Harold' s on an average day?
A.
30, 000.
B.
300, 000.
C.
1.5 million.
D.
9 million.
【简答题】A．Spending too much money on the customers. B．Finding no available conference room in Shangri-la. C．Too many customers coming to attend the meeting. D．Few customers going to see ice sculptures and bui...
【简答题】热网菌能够在高达()的温度下生长。
【单选题】Paul: How many customers do you have in the U.S.? Mr. Ortiz: About 2,000. Paul: Really? That's great!
A.
They have a few customers in the U.S.
B.
They have many customers in the U.S.
C.
They don't have a lot of customers in the U.S.
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