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1月5日早读材料
  发布时间: 2020-01-04 阅读次数: 1340  

Introduction


Have you ever wondered why seeing someone yawn also makes you yawn? According to researchers, it makes a difference if you think of yourself as similar to the person who started the yawning. Georgina and Rob discuss yawning and teach you related vocabulary.


This week's question

What biological function does yawning have?


A. To take in more oxygen


B. To get rid of carbon dioxide from our body


C. No one really knows


Listen to the programme to find out the answer.

200102_6min_english_yawning.pdf


 
 
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