ответьте на вопросы.
1. what types of machine tools are there nowadays?
2. what are the basic operations at a workshop?
3. what is a lathe?
4. why must tools be made of very hard steels and alloys?
5. is the tool itself big or small?
6. what improves the accuracy of machine tools?
7. what is one of the main factors of engineering progress?
8. what forms the basis for automated workshops?
9. what is the main principle of a flexible line?
Did you ( meet) him yesterday?
The firm (will buy) new computers next month.
The Dean (asked) many questions at the lecture last week.
Where are you (going) next summer?
They (useed) new scientific data for their last experiment.
When the concert (is over) all the people (will leave) the hall.
Every year students (take part) in scientific research.
The first computer (appeared) in the 1960-s.
If the weather (is) fine, we (will go) to the village.
IV I was talking over the telephone, when she entered the room.
They were watching TV while their mother was cooking dinner.
Where is the teacher? – He is being asked questions now.
The engineers will be testing a new machine the whole day tomorrow.
Listen! Someone is knocking at the door.
V Hurry up the bus is coming I don't want to miss it.
He usually comes to see us on Sundays.
Where is the engineer? – He is testing new equipment.
They spend much time outdoors.
What are you doing here? – I am waiting for my friend.
Does he speak French? – Yes, he speaks it quite fluently.
She writes letters to her mother every week.
Don't you hear anything? – I am listening hard, but I don't hear anything.
They are traveling in South America now.
I believe you know Chemistry well.
VI Our team losed
works
are playing
will be going
is reading
left
entered, they were discussing
will have
pass
What are you doing here? I am waiting for a friend.