What is the literal meaning of the word“television”?

• A、Medium of the masses.
  
  

• B、Sight from a distance.
  
  

• C、Airwave transmission.
  
  

• D、Vehicle for communication.
  
  

Which of the following is NOT mentioned in the passage as a function of electronics in television transmissions?

• A、The conversion of an image into electronic impulses.
  
  

• B、The sending of impulses through a wire cable.
  
  

• C、The changing of one image into another image.
  
  

• D、The feeding of impulses into a receiver.
  
  

天津的一項調查發現，98%的高校生和92%的小學生都把周末用來做作業。請根據這個 調查說明你的看法，寫一篇150詞左右的英文短文。