单项选择题

Passage Three
Questions 33 to 35 are based on the passage you have just heard.

A. People with average income.
B. People with stable income.
C. People with decreasing income.
D. People with rising income.

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单项选择题

单项选择题

Passage Three Questions 33 to 35 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。