E. A. Abdalina, R. J. Hoshimova

Revision Exercise


THE INFINITIVE CONSTRUCTIONS


Infinitive Constructions ishlatilgan gaplarga ahamiyat berib
gaplarni tarjima qiling

1. To dissolve this substance is difficult. 2. The design of a mechanism depends on the work to be done. 3. To determine the density of a body, it is necessary to determine its mass and its volume. 4. To escape the pull of the sun a velocity of 16.6 kilometers per second is required. 5. The temperature in the center of the sun is belied to be 15 mln degrees Centigrade. 6. We know gravity to act on every particle of a body. 7. The experiments have shown the electrons to be particles of negative electricity. 8. we know the earth to be turning on its axis, moving around the Sun in its orbit. 9. We know the idea of space flights to have attracted the attention of people since the remotest times. 10. The laser beam seems to have almost unlimited industrial possibilities. 11. It is difficult for an astronaut to control a rocket flying at high speed. 12. He has often watched students doing this experiment. 13. The internal energy appears to be connected with the configuration of the particles of which the atom is composed. 14. The orbit of Mars turned out to be an ellipse. 15. Millions of people saw on their TV screens cosmonaut Leonov fearlessly floating in open space. 16. The of activity of the substance proved to have been only temporary. 17. An automatic drilling machine is reported to have increased production more than 550 per cent. 18. Nearly a month is required for the Moon to circle the Earth. 19. The instrument is not likely to be damaged, if all rules are followed.

LESSON 18

Let's Speak English Grammatika The Gerund Matnlar ustida ishlash Text A: — Science in Britain. Text V.: — Science Opens Road to Future.