11.A Выбери наиболее подходящий вариант:

1. Nikita has known Polina for/ since two months.

2. How long ago/ How long have you had your car?

3. She has yet/ just left for conference.

4. We are takeing part in an experiment next week/ last week.

5. He sometimes/ ever controls the feed of a workpiece.

6. “How often do you clean your house?” “I seldom/ usually/ never clean it once a week.”

11.B Выбери подходящий вариант have been living / always / have just finished / never / are you doing / already:

1. Data processing is _ done by Central Processing Unit.

2. Timur has _ won an math olimpiad.

3. He has _ written seven books.

4. “What _ at the moment?” “I’m retrieving an information.”

5. “What time do you finish work?” “Actually, I _.”

6. “Are you new here?” “No. I _ here for five years.”

11.C Раскрой скобки:

1. “There’s a strange smell coming from the laboratory.” “Yes, I (make) an experiment.”

2. “(you/ ever/ go) to Australia?” “No, I haven’t.”

3. “Are you new to this company?” “No. I (work) in this company for three years.”

4. “Is Mrs. Borchenyuk free yet?” “No, she (be) in a meeting at the moment.”

5. “Where is Ekaterina Viktorovna?” “She (do) her immideate work in her office.”

11.D Выбери наиболее подходящий вариант seem / live / look / practice / see:

1. “Is this your bar?” “Yes! I _ for it all morning. Where was it?”

2. “I _ this annotation before.” “Well, I haven’t. do you mind listening it again?”

3. “Vlad _ very sad. What’s wrong with him?” “Oh, he got some bad news this morning.”

4. “Nastya’s performance at the conference was wonderful.” “Well, she _ a lot recently.”

5. “Do you live in Pokachi?” “No. I work in Pokachi, but I _ in Urengoy.”

11.E Исправь ошибки:

1. They are usually staring work at 9 o’clock.

2. Look! That man is having blue car body!

3. He has been leaving for Khanti-Mansiysk tomorrow.

4. George Stephenson makes a lot of inventions so far.

5. She is giving a big party on her birthday every year.

6. The train is already leaving.

UNIT 12

ENGINEERING PROGRESS

12.1 Прочитай, переведи и заполни пропуски следующими словами: turn; suffer; maintaining; turning; necessary; In turn; suffer; length; maintenance; can turn.

2. Aluminium is the most problematic material to be used for metal­lization in _ contact stability.

3. A lower resistivity is required for _ circuit performance.

4. Use of this self-test technique greatly simplifies field _.

5. For storage and retrieval of data in the bubble-memory, use is made of a group of registers and counters for accurately _ the position of data.

6. Any system must be designed to require less _.

7. Preventive _ is absolutely _.

8. This entails _ one of the file processors into an input/output unit.

9. Today, plants depend on carbon dioxide and water to survive. _, they produce organic matter.

10. Water _ to a solid.

11. Let us now _ to ceramics.

12. At the _ of the 18th century nobody knew of semiconductors.

13. Sometimes the performance of the circuits can _ from tech­nological advancement.

14. The systematic approach can _ the problems that will arise in future VLSI.

15. The average wire _ can be estimated by a very useful statisti­cal formula.