Before closing,a plant should put up a notice and keep it for 90 days.

• A、True
  
  

• B、False
  
  

• C、Not Given
  
  

Traditional workers showed no interest in management.

• A、True
  
  

• B、False
  
  

• C、Not Given
  
  

天津的一项调查发现，98%的高校生和92%的小学生都把周末用来做作业。请根据这个 调查说明你的看法，写一篇150词左右的英文短文。