New research 6. (conduct) at Bristol Royal Infirmary. In the research, transmitters 7. (attach) to the heads of 36 volunteers. Half of them 8. (receive) microwaves identical to those produced by most mobile phones for half-hour periods; the other half did not. All volunteers 9. (be) then 10. (ask) to perform simple psychological tests to measure brain function and memory. The group which 11. (not subject) to radiation performed better.

1. May I help you to lay THE table? May I put THE cups on THE table? May I wash THE dishes?
2. Tom, look at THE picture at _ page ten.
3. Did you have _ lunch at _ school yesterday?
4. Did he go to _ Murmansk A week ago?
5. THE day before _ yesterday _ Mike and his friend went to THE forest.
6. It is THE best umbella I have got.
7. It is THE most beatiful picture in THE book.
8. What do you have for _ breakfast? I usually have A sandwich and A cup of _ tea.
9. Yesterday he bought A jacket. THE jacket is nice.
10. Yesterday he bought _ jeans. THE jeans are black.