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单项选择题

Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news.

______ percent of people live in cities in developed countries.

A. Less than five
B. Seventy
C. Twenty-five
D. Seventy-five
相关考题

单项选择题 What is the main idea of the news item

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