3. найдите в тексте ответы на вопросы. 1. what mechanism is necessary to guide the car? 2. how is the steering wheel connected to the front wheels? 3. why can the front wheels be swung to the left or to the right? 4. what does the manual steering system incorporate? 5. what types of manual steering gears in use do you know? текст to guide the car, it is necessary to have some means of turning the front wheels so that the car can be pointed in the direction the driver wants to go. the steering wheel in front of the driver is linked by gears and levers to the front wheels for this purpose. the front wheels are on pivots so they can be swung to the left or right. they are attached by steering knuckle arms to the rods. the tie-rods are, in turn, attached to the pitman arm. when the steering wheel is turned, gearing in the steering gear assembly causes the pitman arm to turn to the left or right. this movement is carried by the tie-rods to the steering knuckle arms, and wheels, causing them to turn to the left or right.the steering system incorporates: the steering wheel and column, steering gear, pitman arm, steering knuckle arm, front axle, steering knuckle pivot, tie-rods. there are several different manual steering gears in current use, such as the rack and pinion type and the recirculating ball type. the rack and pinion steering gear is widely used. another manual steering gear which is popular in imported cars is the worm and sector type. the steering wheel and column are the source of injury to the driver, air bags and other devices being developed now to safe the life of a driver. energy-absorbing columns must stop the steering wheel and column from being pushed to the rear as the front of the car is crushed in an impact.energy—absorbing column must also provide the driver with a tolerable impact as he moves forward and strikes the wheel with his chest

1. London .............. by many tourists. a)is visited

2. The Art Museum ......... by many tourists every year. d) is visited

3. The work ... by 6 o'clock. d)had been finished

4. This newspaper ______ a week ago. b)was published

5. These buildings _____ in 2004. d)were built

6. Many Ukrainian books ____ in our library. b) are shown

7. What artist ________ in this picture? a) is painted

8. St. Sophia Cathedral in Kiyv ... in the 11th century b) was built

9. David Copperfield ... by Charles Dickens a) was written

10. A lot of money ... from the bank yesterday a) was stolen

11. The film ... tomorrow b) will be shown

12. Tennis ... in the gym tomorrow b) will be played

13. What is Tom … now? c)doing.

14. Has he already … his homework? c) done.

 15. I … done my homework, when he came.  b) had;

 16. He showed me the book, which he … . b) had bought;

 17. When I entered the room, Nick … reading a book.  c) was.

 18. What … the Houses of Parliament like? c) are.

 19. Last year he … to London. a) went;  

20. This work is … than that one. c) easier.

21. this is his book, and that book is … .   a) mine;

 22. … came in. b) somebody;

1.present continious

2.present simple

3.continious

4.present simple

5.present simple

6.present continious

We are helping in the canteen this week.

Martin usually drives to work.

But today, he is taking the bus.

Listen! She is practising the piano.

My friend plays the guitar every evening.

3. He (not / spend) his holidays in Spain each year.

I isn't meeting Francis tonight.

They aren't  flying to London tomorrow.

We aren't working this week.

The film isn't beginning at 7 o'clock.

4. Are you leaving the party now?

Do you have any brothers or sisters?

Does she love him?

Who is cooking dinner tonight?

Does he send you an e-mail every day?

5.Maria wants to improve her English.

Therefore, she is doing a language course in London at the moment.

She is staying with a host family and must take the tube to get to her language school.

It is only a five-minute walk to the nearest tube station.

The tube is leaving at half past eight.

The first lesson begins at 9 o'clock.

In the afternoons, the school offers sightseeing tours in and around London.

Tomorrow, the students of the language school are going to Windsor.

Объяснение: