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10. Listen to the text and answer the following questions.

  1. What is Kevlar?

  2. Where is Kevlar used?

  3. Who invented Kevlar?

  4. What was the basis for a new fiber material?

  5. What company financed the development of a new fiber material?

SPEAKING

11. Discuss the following questions in small groups.

  1. What is the definition of the term “invention”?

  2. What is the difference between the invention and the discovery?

  3. What are the most important inventions of the 20th century?

12. Work in pairs. Choose the invention that to your mind is the most important for the mankind and discuss the following questions:

  1. What invention have you chosen?

  2. Who was the inventor?

  3. When did he/she make the invention?

  4. What are the advantages and disadvantages of this invention?

WRITING

13. Imagine that you are a researcher and you have to make a report about different inventions. Read the text again and give subtitles to each paragraph of the text in order to use them in your report.

GRAMMAR IN USE

These exercises can help you to practise the Pronouns: some / any / no (See Appendix 1 p. 200 – 202) and do the following exercises.

14. Choose the proper item.

  1. Under strict definition, however, ….. produced by humans that is new and unique is an invention.

a) anything b) nothing c) anywhere

  1. ….. knows that he is a great inventor.

a) No b) Something c) Everybody

  1. In the United States, ….. new and useful art, machine, manufacture, or material may be protected by patent.

a) no b) anything c) any

  1. ….. inventions are very important.

a) Some b) Any c) No

  1. ….. needed a phonograph before Edison invented it.

a) Nothing b) Nobody c) Everything

  1. ….. public campaigns have expressed a concern for patent protection.

a) Any b) Some c) No

  1. ….. invention ideas that have never been made in reality can obtain patent protection.

a) Some b) Something c) No

15. Fill in the gaps with some, any, no or one of their compounds.

  1. A: Are you doing ….. at the weekend?

B: No, I haven’t made any plans yet.

  1. A: I think there’s ….. else in this envelope.

B: Take it out and see what it is.

  1. A: Are you off work next week?

B: Yes, but I’m not going ….. . I’m going to stay at home.

  1. A: The meal was a great success last night.

B: I know. There was ….. food left over, either.

  1. A: Where is our professor?

B: He’s gone ….. with students.

  1. A: Did you enjoy your visit to the museum?

B: Yes, but there was ….. to tell us about the exhibits.

  1. A: The bus was really very crowded today. There was ….. to sit.

B: I know. I wish I had my own car.

16. Fill in the gaps with any + noun, anyone or anything.

Example. The seats aren’t reserved. You can have any seat you like.

I don’t mind what we do today. We can do anything you want.

  1. If it’s your meeting, you can invite ….. you like

  2. I don’t mind what he invents. He can invent ….. he wants.

  3. All tickets are free. You can choose ….. you want.

  4. All the buses go into the town centre. Take ….. that comes along here.

  5. This car is available in lots of colours. You can have ….. you like.

  6. He has the television on all the times. He’ll watch TV ….. he wants.

  7. It doesn’t matter which day you phone. Ring ….. you like.