_江苏成人高考网

41. 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
  
  

二、词汇与语法知识: 共15小题; 每题2分, 共30分。从每小题的四个选择项中, 选出最佳的一项。

6. If you smoke too often, your lungs will be even (   ). 

• A、good
  
  

• B、 worse
  
  

• C、poor
  
  

• D、well
  
  

51. (    )