1. PART A: Which statement best expresses the central
idea of the text?
• A Teenagers require a unique amount of sleep to fully
function, which depends on their specific age and the
individual demands of their body.
B Adults who did not get enough sleep during their
teenage years showed slower mental development
than those who did get enough sleep.
Teenagers function better during the day if they are
allowed to follow their internal clock and sleep as
much as they can
D Sleeping for 8-10 hours a night supports teenagers'
mental development and guarantees that teens
perform better in school.