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READING COMPREHENSIONA.Choose the best answer for each question.1.What is the main purpose of the reading?a.to suggest that today%u2019s teenagers think differently from previous generations b.to explain how teenagers%u2019 brains affect their behaviorc.to describe an experiment that looked at the brains of teenagers2.Which of the following statements about an adolescent%u2019s brain is NOT true?a.It can change to deal with new situations.b.It is better than an adult brain at following rules.c.It is still developing.3.In paragraph C, what does the author mean by the news isn%u2019t all negativea.The negative side of the research is not understood.b.The way the teen brain works has some advantages.c.The impulses of a teenage brain should be controlled.4.In paragraph D, what does keenly mean?a.stronglyb.loudlyc.slowly5.Which of the following would be the best heading for the last paragraph?a.An Independent Brainb.The Rewards of Friendshipc.B.Complete the sentences. Use one to three words from the passage for each answer.1.Scientists are now better able to study the physical development of the brain thanks to improvements in technology.2.By the age of , a child%u2019s brain is almost at its full size.3.Teenagers%u2019 brains go through an upgrade similar to that of a(n) 4.Scientists now know that our brains continue to change until the age of .5.Teenagers%u2019 brains measure risk and reward differently than brains do.6.Some believe that having a of friends makes us more successful in%u00a0life.7.Teens are not afraid to try new things. This makes it easier for them when they eventually leave their .PURPOSEDETAILPARAPHRASINGVOCABULARYMAIN IDEASUMMARIZINGUnit 9A