一篇英语阅读Did you sleep the day away on March 21?Well,you should

一篇英语阅读
Did you sleep the day away on March 21?Well,you should have done because it was World Sleeping Day.This is the one 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 as 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 (温度),great weight loss and finally,sickness.
Different people need different amounts of sleep.Eight hours a night is considered the average 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,Leading American scientist Thomas Edison said that sleep was a waste of time.He did,however take naps during the day.On the other hand,Albert Einstein,another great scientist,said he needed at least ten hours’ sleep a night.
Here are some of the most useful suggestions for a good night’s sleep:
* Go to bed at the same time.
* Use your bed only to sleep.
* Don’t exercise in the evening.
* Keep the bedroom dark and quite
* Drink a glass of milk before sleep.
* Stop looking at the watch while you can’t sleep!
How much sleep do teenagers need?
☆ 62.__________________for
primary school students
☆ 9 hours for junior highs
☆ 8 hours for senior highs
1.One of the suggestions for a good night’s sleep for the passage:
2.From Paragraphs 3 and 4,
we can learn that
3.☆ a strong drop in body temperature
☆ great weight loss
☆ sickness
The information above tells us
62题下面的1.2.3就是其他的问题

62是10hours,其他问题你这里没写清楚