Задание 2. B. Подберите к каждому слову в колонке А соответствующее из колонки В.
А
В
1. induce
a. find, get back
2.
remove
b. unlimitedly
3.
indefinitely
с spiral
4.
memory cell
d. length of wire wound in a spiral to conduct electric current
5.
retrieve
e. bring about
6.
winding
f take off, away
7.
coil
g. the unit of computer which
stores data for future use
Упражнение 3. Заполните пропуски словами conduct, superconductivity, superconductor, superconductive.
1 at high temperatures was almost discovered in 1979. 2. The Russian scientists found an oxide of metal they were experimenting
with to ... electric current. Moreover, the lower the temperature, the less resistance the material had. 3. The resistance continued to fall in liquefied nitrogen. To continue the experiments, they needed liquid helium. To obtain it was quite a problem at that time. So the experiments were stopped. 4. But it was this compound of copper, lanthanum and oxygen that proved to be a ... for which the Swiss physicists were honoured with a Noble Prize in 1987. 5. Later neither efforts nor money were spared (жалеть, экономить) for the study of the ... materials. Moreover, there were no longer any problems with helium.
The dating rules (were) firmly established.
Boys and girls usually (began) dating in high school.
Of course, they (needed) their parents' permission.
Many teenagers (were) even chaperoned (accompanied by parents).
The boy (met) his date's parents and (talked) with them for a little while.
Then, the young couple usually (left) for a movie, and a soda and snack, which the boy (paid) for.
The young people (observed) curfews and (said) goodnight at the front door.
Текст 2:
In the 19..s dating (was) far more casual.
Children (began) dating in junior high school, and many youngsters (had) steady girlfriends or boyfriends.
The younger couples (might be) escorted by their parents, but as soon as they (were) in high school, couples (rebelled) at the idea of being chaperoned.
Dutch treat dating (was) acceptable and because of the teens limited finances, it (occurred) quite frequently.
Girls (called) boys and (asked) for dates.
They even (paid) for dates.
Curfews (were) observed only in a few families.
Today, teenagers (have) more independence in all aspects of dating.
3. Coloured clothes must be washed separately.
4. He was sent out of the classroom by the teacher.
5. This summer Spain will be visited by thousands of British tourists.
6. My rotten tooth was pulled out by the dentist.
7. He is being questioned now by the police.
8. A complaint has been made by someone.
9. The lights had been left on.
10. My arm was broken when I fell out of a tree.
11. The cat was being slowly poisoned by the horrible old man.
12. The mountains will have been covered with the snow by Christmas.
13. Breakfast is served at 7 a.m.
14. Who was the parcel delivered by?
15. She was made to clean her room by her parents.
16. The work will have been finished by tonight.
17. She had been warned that she might lose her job.
18. Who was America discovered by?
19. Who is your dog going to be fed by?
20. Who was the phone answered by?
21. Who was the prize given to?
22. Which building is going to be knocked down?