9. Перепишите следующие предложения, содержащие разные формы сравнения, и переведите их на русский язык.

1. There are more than 50 schools of higher learning in St. Petersburg. 2. Mathematics is as important for technical students as Physics. 3. This new apparatus is 4 times as powerful as the old one. 4. These machine tools are not so efficient as the new ones. 5. The more systematic are our studies, the deeper is our knowledge.

1. В Санкт-Петербурге насчитывается более 50 высших учебных заведений.

2. Математика так же важна для студентов технических специальностей, как и физика.

3. Этот новый аппарат в 4 раза мощнее старого. 4. Эти станки не так эффективны, как новые.

5. Чем регулярнее наши исследования, тем глубже наши знания.

1. Of the two sisters Mary is the (beautiful). 2. Which do you like (good), orange juice or lemon juice? 3. The Nile is the (large) river in Africa. 4. Let's go by car. It's (cheap) than by train. 5. This is (comfortable) room in my flat. It is (big) and (light) than other rooms. 6. Kate is the (young) of my five sisters

1. Of the two sisters Mary is the beautifully.

2. Which do you like good, orange juice or lemon juice?

3. The Nile is the large river in Africa.

4. Let's go by car. It's cheaper than by train.

5. This is comfortable room in my flat. It is big and light than other rooms.

6. Kate is the young of my five sisters

1. There is a wide system of extramural education in our country. 2. In two years, my friend will become a specialist in the field of radio engineering. 3. She got up, washed, had breakfast and went to school. 4. Our classes begin at 8. 30.5. We saw an interesting film yesterday.

1. There is a wide system of extramural education in our country. 1 форма (exist)

2. In two years, my friend will become a specialist in the field of radio engineering.

3. She got up, washed, had breakfast and went to school. 2 форма (get up, to wash, have breakfast, to go)

4. Our classes begin at 8. 30. 1 форма (begin)

5. We saw an interesting film yesterday. 4 форма (to watch)

1. В нашей стране существует широкая система заочного образования.

2. Через два года мой друг станет специалистом в области радиотехники.

3. Она встала, умылась, позавтракала и пошла в школу.

4. Наши занятия начинаются в 8: 30.

5. Вчера мы посмотрели интересный фильм.

1. The Wilsons normally have breakfast at 7 o'clock. (When?) 2. Many people like to work in the garden. (Where?) 3. They went to the airport by car. (How?) 4. They chose books and magazines at the bookstall. (What?) 5.I shall know the result in a week. (When?) 6. He will buy a present to Mary for Christmas. (To whom?)

1. Уилсоны обычно завтракают в 7 часов.

2. Многим людям нравится работать в саду.

3. Они поехали в аэропорт на машине.

4. Они выбирали книги и журналы в книжном киоске.

5. Я узнаю результат через неделю.

6. Он купит подарок Мэри на Рождество.

1. The Wilsons does not normally have breakfast at 7 o'clock. (When do the Wilsons usually have breakfast?)

2. Many people does not like to work in the garden. (Where do many people like to work?)

3. They does not go to the airport by car. (How did they go to the airport?)

4. They did not chose books and magazines at the bookstall. (What did they choose at the bookstall?)

5.I do not shall know the result in a week. (When will I know the result?)

6. He does not will buy a present to Mary for Christmas. (To whom will he buy a Christmas present for?)

13. Прочтите и устно переведите текст. Перепишите и письменно переведите 2-й абзац текста.

Junction Transistors

The junction transistor¹ was one of the first types of transistor to come into commercial use, and many thousands are now used in electronic circuits. The junction transistor is a bipolar transistor, that is it employs both p-types and n-types semiconductor regions.

Early transistors were made from germanium, and were mainly of the p-n-p type. That is, they comprise a single crystal, which contains two p-regions and one n-region. One of the p-regions, known as an emitter, is of low resistivity material with a heavy impurity doping. The emitter is the source of charge carriers in the transistor. The central n-region is known as the base region of the transistor, and is a relatively pure² semiconductor of high resistivity. The base region is the control electrode or control region of the transistor. The second p-region, known as the collector region, has a lower conductivity than the emitter region, and is the region in which the mobile charge carriers are finally collected.

With the development of silicon devices, p-n-p transistors have come into more common usage. In the n-p-n transistor, the two extreme n-regions are the emitter and collector, respectively, while the central p-region is the base region.

NOTES:

'junction transistor -плоскостной транзистор ²pure - чистый, без примесей

Переходные транзисторы

Ранние транзисторы изготавливались из германия и были в основном p-n-p-типа. То есть они представляют собой монокристалл, который содержит две p-области и одну n-область. Одна из p-областей, известная как эмиттер, изготовлена из материала с низким удельным сопротивлением и сильным примесным легированием. Эмиттер является источником носителей заряда в транзисторе. Центральная n-область известна как базовая область транзистора и представляет собой относительно чистый полупроводник с высоким удельным сопротивлением. Базовая область это управляющий электрод или управляющая область транзистора. Вторая p-область, известная как область коллектора, имеет более низкую проводимость, чем область эмиттера, и является областью, в которой в конечном итоге собираются подвижные носители заряда