What is the main purpose of the reading 9A?

• to suggest that today’s teenagers think differently from previous generations

• to explain how teenagers’ brains affect their behavior

• to describe an experiment that looked at the brains of teenagers

• to compare the differences between adult and teenage brains

Which of the following statements about an adolescent’s brain is NOT true?

• It can change to deal with new situations.

• It is better than an adult brain at following rules.

• It is still developing.

• It can continue to change until age 25.

4. In 9A, what does the author mean by the news isn’t all negative?

• The negative side of the research on teenagers is not understood.

• The way the teen brain works has some advantages.

• The impulses of a teenage brain should be controlled.

• The recent news on TV has mostly been positive.

In the reading 9A, what does keenly mean?

• strongly

• loudly

• slowly

• carefully

Which of the following would be the best heading for the last paragraph?

• An Independent Brain

• The Rewards of Friendship

• The Parents' Role

• The History of the Brain

Scientists are now better able to study the physical development of the brain thanks to improvements in _____-_____ technology.

By the age of ________, a child’s brain is almost at its full size.

Teenagers’ brains measure risk and reward differently than ______ brains do.

Some believe that having a _____ _____ of friends makes us more successful in life.

Teens are not afraid to try new things. This makes it easier for them when they eventually leave their ________.