恩格尔曲线描述的是商品需求量与收入之间的关系。一般的说，奢侈品恩格尔曲线表明奢侈品的需求量增加数量随收入的增加而增加得越来越快，下图属于奢侈品恩格尔曲线的是
答案：C
题目分析：根据材料中的“奢侈品恩格尔曲线表明奢侈品的需求量增加数量随收入的增加而增加得越来越快”信息可以发现，A中是固定的增加比例，不符合题意；选项B与题意相反；选项D是越来越慢，C符合题意；故答案选C。
 This week, I asked my classmates about their vacations. Here are some of their answers. Tina to New York City. The was sunny and the people friendly to her. She went there by and the bus trip was relaxing. The food was delicious. She had a vacation. Sally went to her uncle. Because the weather was windy and ,she had to stay at the house. She watched TV the TV shows were boring. She went shopping with her cousin but the shop assistants were . She had a terrible vacation. Tom stayed at home. At first he did his homework. It was a little difficult. Then he computer games. They were interesting. He thought his vacation was OK.
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