Listen and read the text. What is the writer’s purpose: to give information? To entertain readers? To narrate a personal experience? Suggest other headings for each parsagraph.

Упр. 57.7. Use Past Simple or Present Perfect of the verbs in brackets. Translate into Russian.

1. “Have you ( seen) Jane today?” — “Yes, I (saw) her at about nine, but I have not (seen) her since then.”

2. I always want to go to Scotland, but I have never  managed to get there.

3. Bob (wanted) to be a bodyguard until he (was) fifteen.

4. “We have not ( seen) much of Helen lately. Have you (seen) her?”

5. I (was) ill a lot last year.

6. I (have been) ill for two weeks.

7. “How’s your new job?” — “Everything (has been) all right up to now.”

8. Nelly (went) to America on holiday ten years ago, and she (has lived) there ever since.

9. He (has climbed) quite a lot of mountains, but he was never up Everest.

10. Have you ever ( studied) a musical instrument?

11. Alex (to have) an enormous amount of work last week.

12. We (have had) a very busy week. We need a break.

13. When did you first  fall in love?

14. How long ago did you ( meet)?

15. How long have you (been) in your present job?

This area of training is relevant today, because the polymer products widely penetrate into our lives. There is a growing interest in the study of new technologies for the processing of polymers, as well as polymers - materials that can be reused, which is important for the environment.
In Russia and abroad continue to develop new technologies and materials. For example, in the United States, a group of scientists at the Massachusetts technical University has developed an isotropic heat-conducting polymer that conducts heat in all directions. Russian scientists have developed a new technology for creating 3D objects from fluoropolymers with nanoparticles.
The development of science in the field of half-measures began with the discoveries of scientists Carl Ziegler and Giulio Natta, who were awarded the Nobel prize.