_湖南成考网

54.__________.

According to the passage，some doctors believe it is true that_____．

• A、you are healthy if cold water swimming turns your skin color"blue
  

• B、cold-water swimming causes more heart attacks in summer than in winter
  

• C、cold water swimming can make the body temperature dangerously high
  

• D、Polar Bears are bears swimming in freezing water

请选出粗体字母部分读音不同的选项（　　）。。

• A、captain
  
• B、graduate
  
• C、garage
  
• D、behaviour