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  3. For which of the following years was there an increase over the previous year in the number of existing homes sold, but a decrea

For which of the following years was there an increase over the previous year in the number of existing homes sold, but a decrea

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问题 For which of the following years was there an increase over the previous year in the number of existing homes sold, but a decrease in the number of new homes sold?  
In 1977 the number of existing homes sold was approximately how many times the number of new homes sold?
选项 A、3
B、3.5
C、4.5
D、5.5
E、6
答案C
解析 1977年，旧房销售量是新房销售量的多少倍?
解：本题的正确答案为(C)。根据“Median Price of Homes Sold”图可知，1977年旧房的销售量约为3.5 million，新房的约为0.78 million，因而旧房的销售量是新房的约3.5/0.78≈4.5倍。
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