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.
  
  

There has been a change in doctors' understanding of the cause of stomach ulcers.

• A、True
  
  

• B、 False
  
  

• C、 Not Given
  
  

請根據(jù)所提供材料中的要求撰寫一篇150詞左右的英語短文。

You want to sell some of your furniture. You think a friend of yours might like to buy it from you. Write a letter to your friend. In your letter,

1) explain why you are selling your furniture;

2) describe the furniture;

3) suggest a date when your friend can come and see the furniture.

You do not need to write the address. Begin your letter as follows:Dear