II. Прочитайте предложения, перепишите их, выделив указательные местоимения. Переведите письменно предложения на русский язык.

Example: We know that a computer is a complex electronic device. – Мы знаем, что вычислительная машина является сложным электронным устройством.

1. That new mechanism could control many operations.

2. Telecommunications embraces all devices and systems that transmit electronic signals across long distances.

3. Two of these elements, germanium and silicon, are especially important.

4. Each hole will behave in a manner similar to that of an electron.

III. Прочитайте предложения, перепишите их, обращая внимание на выделенное местоимение it, переведите предложения на русский язык.

Example: We find it necessary to repeat the experiment. (формальное дополнение) – Мы считаем необходимым повторить этот эксперимент.

1. The essential characteristic of a robot is that it can be programmed.

2. It is evident that a robot must imitate the manual actions of human beings.

3. Vacuum tubes make it possible to convert part of their output in visible light.

4. It was Mendeleyev who formulated the periodic law.

5. It is the most interesting article on this subject.

IV. Прочитайте предложения, перепишите их, обращая внимание на выделенные слова ones, one, переведите предложения на русский язык.

Example: One should be very careful. – Нужно быть очень осторожным.

1. One of the most interesting uses of laser is in the world of newspapers.

2. One can associate the term “robot” with the manipulator.

3. Nowadays, many people have a mobile phone, but I’ve never used one.

4. The new technologies that are being developed must be connected with traditional ones.

V. Перепишите предложения, употребив глаголы в правильной видовременной форме, переведите предложения на русский язык. Обратите внимание на функции глаголов to have, to do, to be в предложениях.

Example: This material (to have) many valuable qualities. – This material has many valuable qualities. – Этот материал имеет много ценных свойств.

1. Computer integrated telephony, for example, (to have) great applications for telephone banking.

2. All of this work (to have) to be done before the end of the day.

3. The form of energy most required by us (to be) mechanical energy.

4. The professor (to be) to make a report at the conference.

5. The pressure changed, so (to do) the temperature.

6. I think, David (to do) something to the computer. I can’t get it to work.

VI. Перепишите предложения, подчеркните инфинитив. Переведите предложения на русский язык.

Example: To solve the problem is very important. Решить эту проблему – очень важно.

1. This method is accurate enough to give reliable results.

2. He can complete all the necessary measurements himself.

3. The idea to use this new substance didn’t leave us.

4. To form the image a second disk will be needed.

VII. Перефразируйте следующие предложения, употребив субъектный инфинитивный оборот. Напишите их и переведите на русский язык.

Example: It is expected that the experiment will be over soon. – The experiment is expected to be over soon. – Предполагают, что эксперимент скоро закончится.

1. It is likely that energy crises will soon begin.

2. It was assumed that the gas was poisonous.

3. It is known that the sun represents a mass of compressed gases.

4. It is reported that the new rocket will go into operation next year.