Nowadays an integrated circuit is the main component of everyday device.
Some researchers think that we are close to a physical limit in increasing computer operation system.
. In many countries scientists interested in electricity wanted to find out whether it could be used for a long distance communication.
Communication satellites used by all countries make intercontinental television transmission possible.
Wind and solar energies available throughout the earth must be used for useful purposes.
By the end of the 20-th century a new age of light may replace the still youthful electronic age.
Объяснение:
1. Can you hear what he is ?A) saying
2. She hasn't come home C) yet
3.ITV yesterday evening.D) watched
4. We livethe city centreA) near
5. She looksa famous film starB) like
6. This television gives you thenewsB) latest
7. I onlyone mistake in last night's test.A) made
8. I want you to tell me thetruth D) whole
9. He is looking a present to buy his girlfriend.A) for
10. That's what I would likeChristmas.A) for
11. You must not drink and thena car B) drive
12. Please bewhen you cross this road.D)careful
13. Do what you like, I really don't D)mind
14. If you want to that book remember to bring it back,A) borrow
15. When your train arrives, I'll you from the stationA) take
16. I always get early in the summer.А) up
17. When you first meet someone, you usually shake themthehand.D) by
18. I have neverher before. C) seen
19. The teacher asked her students to do their B) homework
20. The police officer told the children always to tell the D) truth
