According to the passage, how many major networks are there?

• A、Two.
  
  

• B、Three.
  
  

• C、Four.
  
  

• D、Five.
  
  

One of the advantages of involving workers in making a decision is that the interpersonal relationship between workers and managers can be improved.

• A、True
  
  

• B、False
  
  

• C、Not Given
  
  

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What do Shoes Can Do?

Researchers say people can __41__(accurate ) judge 90 percent of a stranger's personality by looking at the person's shoes.“Shoes convey useful information about people,”the authors wrote in the study __42__ (publish ) in a journal.“Shoes serve as __43__ (verbal ) cues with symbolic messages.”Medical Daily notes that the number of  44  (detail ) personality traits include someone's emotional __45__ (stable ) .Gillath said the __46__ (judge ) were based on the style,cost,color and condition of shoes.In the study, volunteers were __47__ (photograph ) in their most commonly worn shoes. and then filled out a questionnaire. Some of the results were expected:People with higher incomes commonly wore expensive shoes,and flashier footwear was __48__ (typical ) worn by extroverts. However,some of the results are intriguing. For example,practical shoes were generally worn by more”__49__ (agree ) ”people,while ankle boots were more closely aligned with“aggressive” personalities. The researchers noted that some people will choose shoe styles to mask their actual personality traits,but researchers noted that volunteers were likely to be __50__(aware ) that their footwear choices were revealing deep insights into their personalities.