第二部分 阅读判断第九篇What Is a Dream
For centuries, people have wondered about the strange things that they dream about
Some psychologists say that this nighttime activity of the mind has no special meaning
Others,however,think that dreams are an important part of our lives
In fact, many experts believe that dreams can tell us about a person’s mind and emotions
Before modern times, many people thought that dreams contained messages from God
It was only in the twentieth century that people started to study dreams in a scientific way
The Austrian psychologist, Sigmund Freud1 , was probably the first person to study dreams scientifically
In his famous book, The interpretation of Dreams (1900), Freud wrote that dreams are an expression of a person’s wishes
He believed that dreams allow people to