In the text below some words are missing. Select appropriate words to fill the gaps.
Your lovely teenage daughter gets top marks in school, captains the debate team, and volunteers at a shelter for homeless people. But while driving the family car, her text-messages her best friend and rear-ends another vehicle.
How can teens be so clever, accomplished, and responsible—and reckless (1)…………….? Easily, according to two physicians at Children’s Hospital Boston and Harvard Medical School (HMS) who have been (2)…………the unique structure and chemistry of the teenage brain. The adolescent brain is not just an adult brain with fewer miles on it, says Frances E. Jensen, a professor of neurology. It’s a paradoxical time of (3)…………. These people are with very sharp brains, but they’re not very sure what to do with them.
In animals, movement is coordinated by a bunch of neurons in the spinal cord called the central pattern generator (CPG). This produces signals that drive muscles to (4)……… rhythmically in a way that produces running or walking, depending on (5)……… the of pulses. A simple signal from the brain instructs the CPG to switch between different (6)………, such as going from a standstill to walking.
(1) At the same time (2) Development (3) Exploring (4)Pattern(5) Between (6) Walking (7) Contract (8) modes