1. Why are metals so important in industry?

2. What are the main metalworking processes?

3. Why are metals worked mostly hot?

4. What properties does cold working give to metals?

5. What is rolling? Where is it used?

6. What is extrusion? What shapes can be obtained after extrusion?

7. What are the types of extrusion?

1. When will  this slight movement of the image result in the

appearance of smooth movement to the right?

2. Who is an example of shifting the location of an object?

3.Who can  at rates below 12 frame/s detect jerkiness associated

with the drawing of new images which detracts from the illusion of

realistic movement?

3.1. What can most people at rates below 12 frames detect associated with the drawing of new images ...до конца предложения

4. Where does movie film  run at 24 frames per

second?

Объяснение: В 3 предложении 2 вопроса, так как 2 совершенно разный выделенных слова.

1) The police have been here for an hour already.

2) The news is threatening.

3) The mass media has a lot of influence on people.

4) A serial is a long story whose parts are presented on TV or radio.

5) Robert W. is a broadcaster

6) Ron is spying on Walter.

2.Present Progressive Passive or Past Progressive Passive.

1) The Net is being surfed by our students at the moment.

2) When the new actors arrived, the film was being shot

3) Peter’s future was being discussed at the parents’ meeting yesterday.

Объяснение: