题目内容
World Sleep Day，organized by the Would Sleep Day Committee of the Would Association of Sleep Medicine since 2008，is held on March 21 every year.
The aim of World Sleep Day is to celebrate the benefits of good and healthy sleep. Events involving discussions，presentations of educational materials and exhibitions take place around the world and online.
Sleep quality plays a key role in people’s health. Researchers say that there are a lot of advantages if we always get enough sleep. We can be smarter，thinner，healthier and more cheerful. Also we’re to have better skin，better memories and longer lives. When you lose even one hour of sleep for any reason，it will influence your performance the next day.
In general，adults are thought to need at least eight hours of sleep a night，but a recent survey found that，on workdays，only 21% of them really get a full eight hours of sleep，and another 21% get less than six. For teenagers，a healthy amount is about eight to nine hours per night. However，about 80% of high school students don’t get enough sleep because of their schoolwork or some bad habits.
27% of people throughout the world have sleep problems. Now there are over 80 kinds of sleep disorders，and most people know little about their danger. So，for our good life and work，it’s necessary for us to realize the importance of sleep and try to have a good sleep.
1. How long has World Sleep Day been celebrated so far？
2.What is the purpose of World Sleep Day？
3. What will happen if we sleep one hour less than we should？
4.Why don’t most high school students have enough sleep？
5. What suggestion will you make about our better sleep？（请自拟一句话作答）
1.For six years.
2.To celebrate the benefits of good and healthy sleep.
3.It will influence our performance the next day.
4.Because of their schoolwork and some bad habits.
5.We should have good sleep habits and enough sleep time.
【解析】
试题分析：本文是一篇说明文，主要介绍世界睡眠日的意义以及对人们睡眠的调查，其目的在于唤起人们对睡眠的重要性和睡眠的质量的关注。
1.小题1】根据World Sleep Day，organized by the Would Sleep Day Committee of the Would Association of Sleep Medicine since 2008，is held on March 21 every year.可知世界睡眠日成立于2008年3月21日，所以到现在为止至今有6年的历史了，故用For six years.
2.小题2】根据The aim of World Sleep Day is to celebrate the benefits of good and healthy sleep.可知世界睡眠日的目的是庆祝好的健康的睡眠的益处，故用To celebrate the benefits of good and healthy sleep.
3.小题3】根据When you lose even one hour of sleep for any reason，it will influence your performance the next day.可知你由于某种原因少谁了一个小时，就会影响第二天的你的表现。故用It will influence our performance the next day.
4.小题4】根据about 80% of high school students don’t get enough sleep because of their schoolwork or some bad habits.可知80%的学生没有足够的睡眠因为有太多的家庭作业或一些坏的习惯。故用Because of their schoolwork and some bad habits.
5.小题5】根据短文的内容可知我们应该好的睡眠习惯和足够的睡眠时间。故用We should have good sleep habits and enough sleep time.
考点：任务型阅读。
