Let's complete a listening exercise in page 18 in your book.
Using the DVD-Rom in the back of your book go to unit 2 and in the class audio you will find the track "Interview with a sleep scientist". Then, complete exercises 3 and 4b.
Post your asnwers as a comment.

Exercise 3:
ResponderBorrar1-Tiredness causes more than half of all road accidents in the USA.
2-30% of people in the UK have problems getting to sleep or staying asleep.
3-Nowadays people are sleeping 90 minutes less than they did 100 years ago.
4-Teenagers need more sleep than adults.
5-Teenagers naturally wake up two hours later than adults.
6-We use the same amount of energy when we're asleep compared to when we're resting.
Exercise 4b:
1-Ten percent of people in the UK.
2-People went to sleep when it got dark and woke up when it got light.
3-Older people.
4-Fewer students missed school and the exams results in English and Maths were much better.
5-Our brains organise information they have collected during the day.
Exercise 3.
ResponderBorrar1- more
2- 30%
3- 90 minutes
4- more
5- two
6- the same
Exercise 4b.
1- 10% of people in the UK
2- People went to sleep when it got dark and woke up when it got light
3- Adults
4- Fewer students missed school and the exams results in English and Maths were much better than the previous year
5- Our brains are very active, and they can organise information they have collected during the day
BorrarExercise 3.
ResponderBorrar1- more.
2- 30%.
3- 90 minutes.
4- more.
5- two.
6- the same.
Exercise 4b.
1- 10% of people in the UK.
2- People went to sleep when it got dark and woke up when it got light.
3- Older people.
4- Fewer students missed school and the exams results in English and Maths were much better.
5-The brains organized information that have collected during the day.
Exercise 3.
ResponderBorrar1- more
2- 30%
3- 90 minutes
4- more
5- two
6- the same
Exercise 4b.
1- 10 % of UK people
2- Now days the people sleep about an hour and a half less than we did a century ago.
3- Adults.
4- Fewer students missed school and and they got better exams results.
5- The information collected during the day is organised.
Exercise 3
ResponderBorrar1) More
2) Thirty percent
3) Ninety minutes
4) More
5) Two
6) The same
Excercise 4b
1) 10% of the people in the UK
2) People went to sleep when it got dark and woke up when it got light
3) Adults need to sleep less
4) Fewer students missed school and the exams results in English and Maths were much better
5) Our brains organize the information collected during the day
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ResponderBorrarExercise 3.
ResponderBorrar1- more
2- 30%
3- 90 min
4- more
5- two
6- the same
Exercise 4b.
1- 10% of UK people.
2- People went to sleep when it got dark and then woke up whenit got light.
3- Adults.
4- Fewer students missed school and the results in English and Math test were much better.
5- Our brain organize the information that was collected during the day.
excercise 3.
ResponderBorrar1. more
2. 30%
3. 90 minutes
4. more
5. two
6. the same.
excercise 4b.
1. Aproximately 10%
2. The people get sleep when the dark of the night appear.
3. Adults
4. The studentent improve in signatures like Math and English.
5. Organize the information who was colleted during the day.
Exercise 3
ResponderBorrar1. More.
2. 30%.
3. 90 minutes.
4. More.
5. Two.
6. The same.
Exercise 4b
1. 10% of people in the UK.
2. People went to sleep when it got dark and woke up when it got light.
3. Older people.
4. Fewer students missed school and the exams results in English and Maths were much better.
5. Our brains organize the information collected during the day.
Exercise 3
ResponderBorrar1- more
2- 30%
3- 90
4- more
5- two
6- the same
Exercise 4b
1- 10% of British people have serious problem with insomnia
2- They went to sleep when it got dark and woke up when it got light
3- The adults
4- Some students missed school and the exams results were better
5- The brain organize the information that was collected during the day
Exercise 3
ResponderBorrar1. More
2. 30%
3. 90
4. More
5. Two
6. The same
Exercise 4b:
1. Ten per cent British people have serious insomnia
2. A hundred years ago people went to sleep when it got dark and woke up when it got light.
3. Is older people who generally need the least amount of sleep.
4. When a british school started lessons an hour later fewer students missed school and the exam results in English and maths were much better than the previous year.
5. Apparently our brains organise information they have collected during the day.
Exercise 3:
ResponderBorrar1- more
2- 30%
3- 90 minutes
4- more
5- two
6- the same
Exercise 4b:
1-10% of people in the UK.
2- When it got dark all the people went to sleep and woke up when it got light.
3- Adults.
4- Fewer students missed school and the exams results in English and Maths were much better.
5-Our brains organise information they have collected during the day.