According to the passage, performers could best meet their obligation to composers by doing which of the following?
A、Taking courses in art appreciation.
B、Knowing how the music was intended to be performed.
C、Studying works written at different periods in history.
D、Rearranging musical scores for their particular instrument.
People with ulcers usually feel a burning pain in their chest or stomach when they are eating.
A、True
B、False
C、Not Given
Task 116. Paragraph① 17. Paragraph ② 18. Paragraph③ 19. Paragraph④ 20. Paragraph⑤ 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 WeightE. How do the Volunteers Kill the Time?F. Why did Nicola Join in the Experiments?