单项选择题

Questions 21 to 23 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions. Now listen to the news.
How much is Rio Grande do Sul responsible for Brazil’s beef export

A．5%.
B．10%.
C．15%.
D．20%.

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单项选择题

单项选择题

Questions 21 to 23 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions. Now listen to the news. How much is Rio Grande do Sul responsible for Brazil’s beef export 您的浏览器不支持 audio 元素。