_海南成考网

45. Which of the following is close to the word"aided"?

• A、Demanded.
  
  

• B、Helped.
  
  

• C、Caught. 
  
  

• D、Protected. 
  
  

40. Doctors (   ). 

• A、encourage people to take part in cold-water swimming actively
  
  

• B、point out the possible danger of blood illness during cold-water swimming
  
  

• C、believe swimming is helpful both in winter and in summer
  
  

• D、have different ideas about the medical effects of cold-water swimming
  
  

51. (    )