英语任务型阅读Did you sleep the day away on March 21?Well,you shoul

英语任务型阅读
Did you sleep the day away on March 21?Well,you should have done because it was World Sleeping Day,This is the day of the year when people around the world care about their sleep and ask themselves a lot of questions about sleep.
Why do we need sleep?Nobody has yet can give a perfect answer to this question.However,tests have shown that lack(缺少) of sleep over about four weeks leads to a strong drop in body temperature,great weight loss and finally,sickness.
Different people need different amounts of sleep,Eight hours a night is considered the average(平均的) amount of sleep.For teenagers,the least number of sleeping hours advised by doctors are,ten hours for primary school students,nine for junior highs and eight for senior highs.Some people seem to get along just fine with very little sleep at night,but some people need more sleep.
Here are some of the most useful suggestions for good night's sleep:
* Go to bed regularly.
*Use your bed only to sleep.
*Don't exercise in the evening.
*Keep the bedroom dark and quiet.
* Drink a glass of milk before sleep.
*Stop looking at the watch while you can't sleep!
Main idea:having enough sleep is important.
Why do we need sleep?
Nobody can answer the question 1________.
The 2________ of lack of sleep lies in a strong drop in body temperature,great weight loss and sickness.
How 3________ sleep do people need?
The amounts of sleep are 4________ from people to people.
Junior highs are advised to spend at least rune hours 5________.
On the average,primary school students need two 6________ of sleep than senior highs.
7________ can you get a good night's sleep?
Go to bed at the 8________ time.
Exercise in the evening won't promise you a 9________ sleep.
A glass of milk will 10________ you with your sleep.

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