短文填空（每空一分，共10分）
根据短文内容，从方框中选择适当的单词并用其正确的形式填空，使短文内容完整。并将答案写在答题卡的相应位置上。每个词只能用一次，有两个多余词。

during,advice,attention,because,well,celebrate,develop,health,holiday, good, why, according

PEOPLE spend almost a third of their lives doing one thing: sleeping. Every year, there is a day for people around the world to __the importance of good and healthy sleep– World Sleep Day. This year, it falls on March 16. The theme is “Breathe (呼吸) Easily, Sleep
_”.
Sleep is like food for the brain. Enough sleep helps the body and brain grow and __.
People of different ages need different amounts of sleep.__ to the National Sleep Foundation in the US, adults need seven to nine hours of sleep every night. For students aged 10 to 17, a _amount is about eight to nine hours per night.
However, many students don’t get enough sleep_of early school start times and too much homework. The China Youth and Children Research Center reported that about 80 percent of middle school students don’t get enough sleep.
Lack (缺乏) of sleep affects (影响) a person’s life greatly. Students without enough sleep may get poor grades. They cannot pay  _ in class or do well in sports.
To solve this problem, scientists give us: students should get less schoolwork and more time to sleep. There are some other ways to help people get enough sleep, such as taking a 20-minute nap (午睡)the day. Good sleep habits are also helpful. For example, try to go to sleep and wake up at the same time every day, even on weekends and during __   .