are much better at remembering things than the brains of young children or adults. Scientists aren't sure why. Whatever the reason, the teenage years ate the time to learn new languages and master other lifelong skills.

　5. Learn the power of risk-taking. Adults are always worried about the downside of teenage risk-taking, and it's true that teenagers are more likely than adults to get themselves in trouble by drinking and driving. But the fact that the parts of the brain that drive people to try new, risky, and exciting things appear to be more developed in teenagers can be a huge advantage. Pick certain challengers-difficult sports, a hard job. Mastering a performance art, traveling overseas - and the teenage brain is able to deal with them. They have this power they're given to go out and do it without fear.

6. Learn what you love. Because emotional(情感的) systems develop fast in teenager brains, teenagers learn things they're interested in quickly and well. Their brains give them tools like attention on the project.

25. According to the passage, teenagers should have __________ for breakfast.

A. sugar and bread B. sugar and orange juice

C. wheat bread and eggs D. wheat bread and orange juice

26. Body exercise plays a part in all the following EXCEPT_________________.

A. reducing blood pressure B. raising heart rate

C. making people less anxious D. reducing stress

27. The underlined word "downside" in the passage probably means _________.

A. excitement B. power C. benefit D. disadvantage

28. It can be learned from the passage that ________________.

A. teenagers need less sleep than adults

B. teenagers should be forbidden to drive

C. scientists know why teenagers have a good memory

D. teenagers learn quickly when they are fond of something

C

Proudly reading my words, I glanced around the room, only to find my classmates bearing big smiles on their faces and tears in their eyes. Confused, I glanced toward