单项选择题

Question 27 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question.
Now, listen to the news.

A．4.
B．5.
C．6.
D．7.

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单项选择题

单项选择题

Question 27 is based on the following news. At the end of the news item, you will be given 5 seconds to answer the question. Now, listen to the news. 您的浏览器不支持 audio 元素。