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пособие для электрофака 2 курс.doc
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1. Learn the following active words and use them in the sentences of your own.

Burn (v) жечь, гореть

Valuable (a) ценный

Substance (n) вещество

Require (v) требовать, нуждаться

Represent(v) представлять

Heat (n,v) тепло, нагревать

Source (n) источник

Kite (n) воздушный змей

Draw (v) тянуть

Connect (v) соединять

Proof (n) доказательство

2. Look through the text and find the English equivalents of the following words and word combinations:

Во всем мире, из-за, вместо, в этой связи, упоминать,

3. Complete the following sentences using the gerund.

Model: She cannot read English without...

She cannot read English without consulting a dictionary.

1. My friend went home instead of... 2. The students went on... 3. When the teacher entered the classroom the students stopped... 4. Have you finished... 5. 1 went to bed after... 6. The friends spoke of... 7. You must turn the light off before...

4. Translate the following sentences using the gerund:

1. Прежде чем делать опыты, необходимо проводить наблюдения. 2. Много лет назад люди научились защищать свои дома от ударов молнии. 3. Существуют различные способы получения электрического тока. 4 Ученые продол­жали изучать новое явление. 5. Пирометр используется для измерения температуры горячих металлов. 6. Франк­лин изобрел громоотвод для защиты зданий от ударов мол­нии. 7. Ходить пешком очень полезно. 8. Атомный реактор используется для получения атомной энергии.

5. Find the gerund in the text, define its function.

6. a) Fill in the blanks with suitable verbs, wherever necessary, b) Answer the following questions:

1. What .. the earliest manifestation of electricity? 2. What .. electricity? 3 What .. the early Scandinavians think about thunderstorms? 4. Who . burning millions of tons of coal? 5. What property ... Thor's hammer? 6. Who ...

invented the lightning conductor? 7. What experiments ... Lomonosov and Rihman make? 8. What device ... constructed by Rihman? 9. Who ... constructed the first measuring de­vice?

7. . What questions are answered by the words in bold type in the following sentences?

1. Benjamin Franklin made his kite experiment. 2. No­body understood that phenomenon. 3. The story of his kite is known all over the world. 4. On a stormy day Franklin and his son went into the country. 5.The key was connected to the lower end of the string. 6. Soon the kite was flying high among the clouds. 7. The electric sparks proved that lightning is a discharge of electricity. 8. The wet string conducted the electricity. 9. Franklin invented the lightning conductor.

8. Translate the following sentences paying attention to both, both...And:

1. The students made two experiments: they were both interesting and useful. 2. Both scientists studied atmospheric electricity. 3. Both of us will work in the Institute laboratory tomorrow. 4. Both Lomonosov and Rihman were great scien­tists; both of them worked at atmospheric electricity. 5. Both these devices were constructed in Moscow. 6. Electricity is used both in industry and in everyday life. 7. Both nuclear power and solar energy will be widely used in the future. 8. Lightning and atmospheric electricity are one and the same thing: both of them are used in literature. 9. Many scientists and inventors, both Russian and foreign, have greatly contributed to the development and practical appli­cation of the electric current. 10. Both chemical energy and mechanical energy can be changed into electricity.