自信的价值不言而喻，在我们面临一个个挑战时，正是因为拥有了自信，我们才拥有了最终的成功：请以The Value of Self-confidence为题写一篇能够体现自信价值的，150词左右的英语短文。

Compared with dreamless sleep, deep dream sleep is

• A、not the result of natural selection
  
  

• B、less likely to appear to monkeys
  
  

• C、more protective to the animals
  
  

• D、at a higher stage of evolution
  
  

Henry Manley was already deeply in debt. 

• A、True
  
  

• B、False
  
  

• C、Not Given