There has been a change in doctors'understanding of the cause of stomach ulcers.
A、True
B、False
C、Not Given
请根据所提供材料中的要求撰写一篇150词左右的英语短文。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
People with ulcers usually feel a burning pain in their chest or stomach when they are eating.