单项选择题

Questions 14—16 are based on the following text about cold. You now have 15 seconds to read Questions 14—16.
What does the speaker say about the symptoms of the common cold

A．Blood becomes slow.
B．Temperatures decreases.
C．They show our body is fighting the virus.
D．Have a headache.

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单项选择题

单项选择题

Questions 14—16 are based on the following text about cold. You now have 15 seconds to read Questions 14—16. What does the speaker say about the symptoms of the common cold 您的浏览器不支持 audio 元素。