A、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: " times="" new="" roman";="" mso-bidi-font-size:="" 12.0pt;="" mso-bidi-font-family:="" "times="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-hansi-font-family:="" roman""="">消费者收入和消费者偏好</span>
B、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: " times="" new="" roman";="" mso-bidi-font-size:="" 12.0pt;="" mso-bidi-font-family:="" "times="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-hansi-font-family:="" roman""="">消费者偏好和商品价格</span>
C、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: " times="" new="" roman";="" mso-bidi-font-size:="" 12.0pt;="" mso-bidi-font-family:="" "times="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-hansi-font-family:="" roman""="">消费者偏好、收入和商品价格</span>
D、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: " times="" new="" roman";="" mso-bidi-font-size:="" 12.0pt;="" mso-bidi-font-family:="" "times="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-hansi-font-family:="" roman""="">消费者收入和商品价格</span>
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