Some people are likely to suffer from the stomach pain at some time in their life.

• A、True
  
  

• B、False
  
  

• C、Not Given
  
  

Task 1

16. Paragraph     ①    

17. Paragraph      ②    

18. Paragraph     ③    

19. Paragraph     ④    

20. Paragraph     ⑤    

A. What does the Calorimeter Look Like Inside?

B. What Program Was Designed for the Experiment?

C. What Is a Calorimeter?

D. Try to Find out Why People Gain and Lose Weight

E. How do the Volunteers Kill the Time?

F. Why did Nicola Join in the Experiments?

Doctors have been able to reduce the pain caused by stomach ulcers.

• A、True
  
  

• B、False
  
  

• C、Not Given