单项选择题

Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the conversation.
According to the man, what does the water purifier remove from the water

A．Minerals.
B．Chemical pollutants.
C．Salt.
D．Germs.

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单项选择题

单项选择题

Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. According to the man, what does the water purifier remove from the water 您的浏览器不支持 audio 元素。