What field of television is intended for specific groups?

• A、Broad-based. 
  
  

• B、Reconstituted.
  
  

• C、Traditional.
  
  

• D、Non-broadcast.
  
  

Task 1

16.Paragraph  ①  

17.Paragraph  ② 

18.Paragraph  ③ 

19.Paragraph  ④ 

20.Paragraph  ⑤ 

A. Popularity of Science Fiction

B. Future Development

C. Classics of Science Fiction

D. Difficulty in Keeping Ahead of Scientific Advances

E. Its Origin/Past

F. Themes of Modern Science Fiction

Which of the following statements about the relationship between television and its viewers can best be inferred from the passage?

• A、Viewers do not take an active role in watching television.
  
  

• B、Viewers would prefer increased news coverage.
  
  

• C、Viewers like to use television to reach other human beings.
  
  

• D、Viewers have grown tired of television.