What is a dream? For centuries, people have wondered about the strange places that they seem to visit
in their sleep. 1.____ However, they have been valued as necessary to a person's health and happiness.
     Historically people thought dreams contained messages from God. It was only in the twentieth century
that people started to study dreams scientifically believing that they tell about a person's character. 2.____
He believed that dreams allow a person to express fantasies or fears, which would be socially unacceptable
in real life.
     The second theory to become popular was Carl Jung's compensation theory. Jung, a former student of
Freud, said that the purpose of a dream is not to hide something, but rather to communicate it to the dreamer.
3.____Thus, people who think too highly of themselves may dream about falling; those who think too little
of themselves dream of being heroes.
     Using more recent research, William Domhoff from the University of California found that dreaming is a
mental skill that needs time to develop in humans. 4.____ Until they reach age five, they cannot express very
well what their dreams are about. Once people become adults, there is little or no change in their dreams. The
dreams of men and women differ. For instance.
     The characters that appear in the dreams of men are often other men, and often involve physical aggression. 
     The meaning of dreams continues to be difficult to understand. 5.____ If you dream that a loved one is
going to die, do not panic. The dream may have meaning, but it does not mean that your loved one is going to
die.

A. Dreams make up for what is lacking in waking life.
B. However, people should not take their dreams as reality.
C. They have been considered as meaningless nighttime journeys.
D. It gives scientists chances to better understand human mind.
E. Children do not dream as much as adults.
F. They think their mind is trying to tell them something.
G. First, there was Sigmund Freud's theory.