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130Unit 9ACyclists in Dubai race along the road. Research suggests that teenagers like to seek out new, sometimes wildactivities, due to natural impulses in the brain during adolescence.BEFORE YOU READA.Look at the photo and read the caption. Match each word in bold with its definition.1.Wildbehavior%u2022%u2022a.is the time when children slowly become adults.2.Adolescence%u2022%u2022b.is a sudden desire to do something.3.An impulse%u2022%u2022c.refers to acting in an excited and uncontrollable way.B.At what age do you think a person%u2019s brain finishes developing? Read the passage and check your ideas.DEFINITIONSPREDICTING