Questions 19 through 22. Listen to this talk about pests and pesticides given in an environmental science class

19. A. Insecticides encourage pests to stay in the garden and multiply.

B. Insecticides kill helpful insects as well as pests.

C. Insecticides give beneficials energy to search for prey.

D. Insecticides reduce the amount of pollen and nectar produced by flowers.

20. A. By providing enough pollen and nectar to kill ladybugs, suffrage flies, and parasitic wasps.

B. By providing beneficials with the nectar and pollen they need for energy.

C. By reducing the amount of food for pests, which induces them to kill each other.

D. By providing large amounts of protein and carbohydrates, which are bad for pests.

21. A. Some look for pests in garden centers where plants are plentiful; others look in smaller gardens.

B. Some look only in plants which produce pollen; others look only in nectar-producing plants.

C. Some look for bugs in plants with shallow flowers; others look in sunflowers and fetches.

D. Some look for food on the ground; others look higher in the leaves and flowers of plants.

22. A. Specialists like pollen; generalists like nectar.

B. Specialists are ground spiders; generalists are beetles.

C. Specialists are picky eaters; generalists eat lots of different pests.

D. Specialists eat bugs; generalists eat plants.

Exercise 13. You will hear a story about different sleep habits. Listen and choose the best answer.

1. How much time do cats sleep?

A. 24 hours B. half their lives C. as long as their masters

2. …and horses?

A. 3 hours B. as long as they want C. 8 hours

3. …and fish?

A. 7 hours B. 17 hours C. they don’t sleep

4. What a strange habit do fish have when sleep?

A. they smile B. they don’t close their eyes to sleep C. they don’t breathe

(Do you know why?)

5. How many hours a year do people do nothing?

A. 2.688 B. 268 C. 26.8

6. How many dreams do people have every night?

A. 4 or 5 B. 14 or 15 C. no dreams

Exercise 14. You will hear an interview with an expert on different senses. For questions 1-7, choose the best answer A, B or C.

1. Jane studied the sense of smell because

A. she had always been interested in it. B. it was part of her course.

C. she found it easy to understand.

2. The sense of smell used to be important for

A. identifying danger B. finding food C. encouraging eating

3. Jane thinks that people react to smells

A. sensibly B. logically C. emotionally

4. The smells of autumn can

A. make everyone feel depressed B. bring back memories

C. remind people that winter days are dark

5. Perfume companies use different marketing techniques to

A. sell an image B. make people feel good C. create associations

6. What is special about the sense of smell?

A. It makes things more memorable B. It changes when we eat food

C. It is the most enjoyable sense

7. The speaker's favourite smell is because of

A. family holidays B. exciting travel C. a sense of belonging

Exercise 15.Listen to two people giving explanations about how to do something. Mark the sentences true (T), false (F) or doesn't say (?).

1.You need to make some plans before you even buy your rabbits.

2. Rabbits eat almost any type of food.

3. You should be vaccinated.

4. You should have at least two rabbits in a hutch.

5. Lots of people choose their dog because it looks cute.

6. The speaker thinks it's a bad idea to keep a dog outside.

7. The owner's lifestyle is an important consideration in choosing the breed of dog.

8. The speaker knows a lot of dog-owners.

Exercise 16. Listen to the first part of David Hewson's story. Answer the questions.

1. What does David need from the bureaucrat's office?

2. What is the bureaucrat's attitude to David's trip? How do we know?

3. The bureaucrat has a sense of humour. What does he say that shows this?

Listen to the second part of the story.

Discuss in pairs/groups.

1 Why do you think David wanted to make this journey? What was his motivation?

2 Why do explorers go to extreme places?

3 Why do you think David is disappointed with the Danakil Depression?

4 How would you feel if you were him? Would you like to go there? Why/why not?

5 'It is better to travel than to arrive.' Do you agree with this proverb?

Exercise 17. Listen and complete the summary.

SharonEdwards is (1)_________ at Heathrow Airport. She (2)______ theanimals that pass through. Thebiggest animal they ever had was a(3)_______

No individual who works there knows about allof the (4)_____ They have a (5)______and the (6)_________to help them if they need moreinformation. The mostcommonanimals they deal with are (7)_______ . Children even sometimes try to (8)_________ their petsin their

pocket. There are no (9)______________ between 1a.m. and 4ra.m. Whenworking atnight, Sharon (10) ______ the lights.

Exercise 18. Listen to the interview and answer the questions.

1. Do great scientists always make their discoveries in the lab? Give the examples.
2. What are the hobbies of the Nobel Prize winners?
3. How do creative hobbies help the scientists?
4. Should we conclude that only a creative person can be a genius?

Exercise 19.You are going to listen to a radio programme about 'eco-tourism'. Listen to the first part of the programme.

A. What are most people looking for in a holiday, according to the introduction?

B. Which negative aspects of going on holiday ore mentioned?

C. How does Gavin Allan define eco-tourism? Is his definition similar to yours?

D. What does he see as 'the way forward'?

In the second part of the programme you will hear two holidays described. Complete the grid.

Location Holiday 1 Holiday 2

Reasons to go there _____________________________

Typical activities_______________________________

Other unusual features___________________________

Exercise 20. You will hear a girl called Sophie giving a presentation to her class about sharks. For questions 1-10, complete the sentences.