1)T
2)F
3)F
4)T
5)T
ex.2
Virtual reality is one of the modern technologies which was introduced a few decades back and has taken an important place in the field of technology in a very short time. it makes use of an artificial environment generated by the computer in which simulates the real environment. Besides gaining an immediate acceptance in the world of computer games, it is now being used in many fields of life including architecture, medicine, military and aviation. Scientists and researchers are expecting to explore a lot in this modern technology than what we know about it today. It is a great leap in the field of 3D and a lot of work is still under progress. The discussion below is an insight into the details of this technology, its uses, advantages, disadvantages and social impacts.
1. Nich said he had gone to the zoo three days before
2. The doctor told Sam that he was going to take his blood pressure in a minute
3. Mother said that she had already washed up
4. Liz told Helen that they would see each other the next day
5. Paul asked me if I had already read that newspaper
6. Victor asked me what I had bought the day before
7. Sally asked his mom to turn the light on
8. Mr White said that his little son had fallen ill the weak before
9. John asked me where I had gone the night before
10. Kate asked me where Tim had gone
11. The teacher told pupils not to make mistakes
12. David said that he was busy then as he was cleaning his room
13. Peter said that his parents would come in two hours
14. Granny said that she had had a bad cough the day before
Объяснение: