Перепишите данные ниже предложения. Определите по

грамматическим признакам, какой частью речи является слово, оформленное окончанием -s, какую функцию это окончание выполняет, т.е. служит ли оноа) показателем 3л.ед.ч. в Present Indefinite (Present Simple), б) признаком множественного числа существительного, в) показателем притяжательного числа имени существительного. Предложения переведите.

1.The St. Petersburg technical University trains specialists in many fields. 2.Trains from Moscow arrive in St. Petersburg at the Moscow Railway Station. 3.Flats in new houses are very comfortable. 4.The Hermitage houses a big collection of Western European Art. 5.This problem needs a special approach. Our country’s needs in electricity will continue to grow.

8. Вставьте вместо точек s, ‘s, s’, где необходимо.

1.This man was Paul… and Kate… teacher… of music. 2.My relatives spent a two week… holiday with the Barton… . 3.This winter… life was short but bright. 4.The boy… got their first week… salary and were very happy.

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.

Раскройте скобки и поставьте прилагательные в нужную степень.

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.

Перепишите данные предложения, определите в них видо-временные формы глагола и укажите их инфинитив. Предложения переведите.

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.

12. Перепишите и переведите приводимые ниже предложения. Поставьте их в отрицательную форму. Задайте общий и специальный вопросы к каждому предложению.

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?)

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

Junction Transistors

The junction transistor 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 pure** 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

**pure – чистый, без примесей

Вариант 3

Вставьте в предложения глагол to be в форме единственного или множественного числа is/are.

1.Our furniture … getting old. 2.All my belongings … in my bag. 3.Physics … a compulsory subject at school. 4.Her jeans … black. 5.Billiards … played all over the world.