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）
Stress is a state of being upset that happens when we are under pressure.We students have all experienced stress over problems with our everyday l 1. .We may go to school or come back with worries.Some worry about r 2. of tests or exams，difficulty wish their students，or too much homework. O 3. feel bad about being overweight or lack（缺少）of free time.
Since stress can make us sick，we have to learn how to d 4. with it. When you are stressed，don’t forget your hobbies. If you are fond of m 5. ，just turn on the radio or CD player. Generally，p 6. think that TV may interfere（干扰）with their children’s studies. However，if you worry about your English and don’t k 7. what to do，you can get help from English TV programs. It is also helpful to s 8. your worries with your friends. They will surely give you some a 9. and help you out of trouble.
So，if we treat stress properly，we can r 10. ourselves and keep away from its bad effects.
1.Amy is very careful.She notices small changes around her.（合并为一句）
Amy is careful notice small changes around her.
2.We would rather walk around than sit in the sofa after supper.（保持句意基本不变）
We walking around sitting in the sofa after supper.
3.The magazine beside the TV is about how to make cakes.（对画线部分提问）
is about how to make cakes？
4.Stephen had a very exciting trip last month.（改为感叹句）
exciting trip Stephen had last month！
5.Sherry asked me if I was going to visit the Science Museum the next day.（改为直接引语）
Sherry asked，“ you going to visit the Science Museum ？”
1.The two travellers about the weather in a traditional English way when they met.
2.Mr Green never anyone to do anything unless he is sure that he can do something well.
3.Most young people in the village agreed to move to town，but some of the elderly people .
4.We Canada for the coming holiday，and the next step is to plan our route carefully.
5. ─I heard lots of noise from your group，Suzy.
─Oh，sorry to have disturbed you. We the history project.
1.Bob came in the race and didn’t win a medal，but we still clapped him.
2.You will never be alone and .All of us are willing to give you a hand at any time.
3.Though the weather was getting ，the boys decided not to change their camping plan.
4.Her have recorded all her experiences in her study of English.
5.Jacky hates to be like others and he always does things .
1.There is no （怀疑）that Nantong will develop into a modern city in the near future.
2.We see smiling faces （到处）here and they make us feel at home.
3.Johnson is such an （very good）engineer that he is suitable for the job.
4.Daniel，shall we （get ready）food and drink for the welcome party now？
5.The temperature here was 25℃ and 35℃ last week.
