английский №3 - 5 вар

№2 описать значение it, that. one.

1 It is necessary to obtain accurate data on the possibility of living and

working in space.

2 The peoples know that their joint efforts can secure peace in the

whole world.

3 We had to find new methods of investigation because the old ones

were unsatisfactory.

№ 3 описать значения глаголов to be, to have, to do.

1 A programme for the construction of new types of spaceships is to be

carried out this year.

2 We hope that rockets will be used only for peaceful purposes.

3 We had to change the design of this machine.

4 The speed of electrons is almost the same as that of light.

№4 описать бессоюзное подчинение.

1 We know radio and radar systems play a very important role at any

airport.

2 The information science gets about other galaxies comes through

radio-telescopes.

№5 Описать функцию инфинитива.

1.The Russian science was the first to make great contribution to the

development of space technology.

2 In order to make interplanetary nights in the future it is necessary to

know factors affecting the human organism.

3 The main purpose of the computers is to solve complex problems

quickly.