47. Washington could become the leader of colonists because (   ). 

• A、he was very rich for planting tobacco
  
  

• B、he served in the British army for several years
  
  

• C、he was very strong and clever
  
  

• D、the passage doesn't tell us
  
  

51. (    ) 

46. The best way both for reading and for writing is to (   ).

• A、sit facing the light
  
  

• B、let the light shine from your back
  
  

• C、sit with your right side towards the light
  
  

• D、have the light come from your left