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User: User: Найди відповіді які в тексті
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User: Read the text and find the answers to the following questions. Use your dictionary.

1 Why is sleep important for teenagers?

2 What is typical of many teenagers?

3 What does the new research suggest?

4 What is melatonin?

5 When does the body of a teenager start producing melatonin? What's the result of that?

6 What have some schools in America decided to do? Why?

Many teenagers have the energy to play computer games until late at night but can't find the energy to get out of bed in time for school. Is it just laziness or is it something more? New research suggests that the reason for such behaviour may be thehormonal changes of puberty. It could be the hormones that stop teenagers from going to bed early and make them sleepy in the morning. One thing is for certain - sleep is extremely important for teenagers because it is while they are sleeping that they release a hormone that is essential for their growth.

At night our body produces the 'darkness hormone' melatonin which helps us to fall asleep.

Most adults start to produce melatonin at about 10 pm.

Research has shown that teenagers start to produce the hormone at 1 am. In other words, teenagers are being kept awake by their bodies and there is not much they can do about it The fact that they play computer games and watch television late at night stimulates the brain even more and makes it harder for them to fall asleep.

Whatever the reason, most teenagers do not get enough sleep. This results in bad moods and sometimes depression. In America, some schools have decided to start their classes later in the morning to give their teenagers some extra time in bed. They noticed their students did much better in class when they did not have to get up early.
Assistant: Sure! Here are the answers to your questions based on the provided text:

1. **Why is sleep important for teenagers?**  
   Sleep is extremely important for teenagers because it is during sleep that they release a hormone essential for their growth.

2. **What is typical of many teenagers?**  
   Many teenagers have the energy to play computer games until late at night but struggle to find the energy to get out of bed in time for school.

3. **What does the new research suggest?**  
   The new research suggests that the hormonal changes of puberty may be the reason for teenagers' behavior of staying up late and feeling sleepy in the morning.

4. **What is melatonin?**  
   Melatonin is referred to as the "darkness hormone" that helps us to fall asleep.

5. **When does the body of a teenager start producing melatonin? What’s the result of that?**  
   The body of a teenager starts producing melatonin at about 1 am, which results in them being kept awake by their bodies and makes it harder for them to fall asleep.

6. **What have some schools in America decided to do? Why?**  
   Some schools in America have decided to start their classes later in the morning to give teenagers some extra time in bed. They noticed that their students performed much better in class when they did not have to get up early.
User: ЕКСПРЕС-КОНТРОЛЬ Nº 8)
POMB
Клас -
1 варіант
ЕКСПРЕС-КОНТРОЛЬ Nº 7
ПРЯМОКУТНИК
D
На якому з малютків (а - 8) зображено прямокутник
ABCD (мал. 89)?
Клас -
1 варіант
• ВІДПОВІДІ
Мал. 39
15
Л. а. Б.б. В. в. Г. г.
ABCD - прямокутник (мал. 40).
AC=...
А. 8. Б. 5.
В. 10. Г. Не можна визначити.
3 KLMN - паралелограм (мал. 41).
L LMN = .•
А. 90°. Б. 20%.
В. 89°. Г. 60°.
Доповніть речення.
Паралелограм KLMN є прямокут-
ником, якщо ...
A. KL = MN.
Б. KM = LN.
B. KN = ML.
r. KL = MN = LM.
У паралелограмі ABCD BD = АС
(мал. 42).
Знайдіть невідомий кут.
MNFK - прямокутник (мал. 43).
L NFM - ?
2
6
Мал. 40
K
Мал. 41
N
C
?
4
4
20
Мал. 42
3
Мал. 43
13
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