Переведите в письменной форме абзацы 1, 2, 4.

3. Заполните пропуски соответствующей активной или пассивной формой глагола и переведите предложения на русский язык:

1. In 1745 Lomonosov (was appointed, appointed) a professor at the Academy of Sciences.

2. The first electric lamp (was invented, invented) in 1873 by A. N. Lodygin.

3. In 1911 Marie Curie (was received, received) the Nobel Prize in Chemistry.

4. Переведите предложения на русский язык, обращая внимание на инфинитивные обороты:

1. Lomonosov considered chemistry to be his " main profession".

2. The air is known to be a mixture of gases.

3. Lomonosov is considered to be a great Russian scientist.

5. Определите функции инфинитива и переведите предложения на русский язык:

1. Lomonosov began to work at an early age.

2. Edison founded an electric company to supply electricity to New York and other places.

3. The experiment to be made by this scientist will give us important information.

6. Употребите глагол-сказуемое в будущем времени, используя эквиваленты модальных глаголов:

1. They must solve a number of scientific problems.

2. She can do this work in time.

3. You may use this method in your research.

7. Заполните пропуски неопределенными местоимениями some, any, no:

А) Прочтите и переведите текст. Выполните задания, которые следуют за ним.

Electricity is made in many ways. One way is a battery, as used in a transistor radio. A simple battery has a positive terminal, connected to a carbon rod. The carbon rod is placed in a chemical paste inside a zinc container.

Any material which will allow electricity to flow through it is called a conductor. Most metals are good conductors.

A simple battery converts, or changes, chemical energy into electrical energy. Other forms of energy, such as heat and light, may be converted into electricity. The most common way of making electricity is by the conversion of mechanical energy.

б) Употребите нужное по смыслу местоимение:

1. If the petrol tank is empty, pour (some, any, no) petrol into it.

2. There was (some, any, no) water in the radiator, so we had to refill it.

3. This mechanic can repair (some, any, no) type of engine.

В) Выпишите из текста предложения, в которых глагол-сказуемое употребляется в пассиве.

г) Ответьте на следующие вопросы:

1. What is a conductor?

2. Are metals good conductors?

3. What forms of energy can be converted into electricity?

Вариант 4

1. Прочтите текст и ответьте на следующие вопросы:

1. What did Mendeleev discover?

2. What fields of science do his works embrace?