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9. Join the sentences using the words in brackets. Think of other ways of joining them.

  1. Nuclear energy is an unlimited source for generating thermonuclear energy. It presents some danger for environment (however).

  2. The energy station was fined. It is still releasing toxic gases into the air (despite).

  3. The generation of electric power is accompanied by a great loss of energy. Some losses take place when transmitting and using it (in addition).

  4. The production of nuclear energy is connected with the danger of accidents. It is connected with the problem of burning nuclear waste. (both … and).

10. Translate the sentences, mind Subjective Infinitive Construction.

  1. Burning of fossil fuels is known to produce the large volumes of carbon dioxide which contribute to the greenhouse effect on the Earth.

  2. Coal combustion is thought to have made a significant contribution to atmospheric lead deposition in the UK.

  3. Though geothermal energy is often assumed to be a “clean” form of power generation, many of the hot springs actively precipitate arsenic, mercury and other harmful substances.

  4. Elements enriched in oil such as vanadium have been found to be elevated in the environment in the vicinity of oil refineries.

  5. The source of the mercury was found to be the waterlogged soil where this element becomes converted to a methylated form.

  6. Combustion of high sulphur-containing fuels is believed to result in production of sulphur dioxide and sulphur trioxide that, in its turn, results in acid rains.

11. Translate the sentences using Subjective Infinitive Construction

  1. Известно, что большая часть энергии производится из полезных ископаемых.

  2. Предполагается, что сгорание топлива является причиной парникового эффекта.

  3. Оказывается, зольный остаток содержит некоторые вредные вещества.

  4. Сообщают, что повышенная концентрация ртути встречается в некоторых видах нефти.

  5. Было обнаружено, что радиоактивность отрицательно влияет на здоровье человека.

12. Complete the sentences according to the text.

  1. Though the specialists have predicted the running out of natural resources …

  2. Burning of fossil fuels has achieved notoriety because of …

  3. An additional environmental effect of fossil fuel combustion is …

  4. Radionuclides released from nuclear power stations pose a great problem because …

  5. The Chernobyl accident seriously affected the environment …

  6. Radioactive iodine is of particular concern because …

  7. Although geothermal energy is assumed to be ecologically friendly, it is …

  8. Generation of hydroelectric power is associated with the problem of ….

13. Answer the questions.

  1. What is the problem with energy generation?

  2. What energy source is the most popular nowadays? Why?

  3. Why has the fossil fuel combustion achieved notoriety?

  4. What trace elements are detected in fossil fuels?

  5. Why are they considered to be harmful elements?

  6. What is the impact of nuclear power generation on the environment?

  7. Is geothermal energy really “clean” form of power generation? Prove it.

  8. What ecological problems has hydroelectric power generation led to?

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