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1. These substances are to be analyzed at our laboratory.
2. Nobody will be able to measure the density of this substance without a special device.
3. Manhattan can be called the centre of New York City.
4. Each invalid is to attend school in USA as there are all necessary conditions for them to study.
5. Energy can exist in many forms and each form can be transformed into the other.
6. Using radioactive isotopes the scientists will be able to carry out many experiments.
7. He had to work hard before he was able to submit his paper to a scien-tific journal.
8. The chemists may use the reactor to analyze various substances for their exact composition.
Перепишите и письменно переведите на русский язык следующие предложения. Определите видовременную форму и залог сказуемого.
1. As an economy becomes more developed, a larger variety of energy sources are tapped.
2. Petroleum has been used throughout recorded history.
3. When more useful energy is extracted from a system, less waste results.
4. The research of planets is being developed with the help of cosmic apparatus.
5. The special application of light has led to the development of lasers and masers.
6. The scientists are working on an interesting problem for obtaining power from atom.
7. We solved this problem with the help of computers.
8. The delegation of foreign specialists was shown the new electronics equipment.
9. They will be given new interesting data by the end of the month.
10. The parts of this device are acted upon by more than two forces.
4. Перепишите предложения и переведите их на русский язык, обращая внимание на разные значения глаголов to be, to have, to do (см. образец выполнения 4).
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1. People have taken advantage of other kinds of energy transformation, using machines and fuels to help do their work.
2. 150 years ago, you had to chop wood to heat water.
3. Most people had very little time for education or leisure activities.
4. The modern petroleum industry was born in the 1800s in the United States.
5. According to the curriculum all the students are to study foreign languages.
6. All the books are taken from the library.
7. You have to study well.
8. We do not know the results of this test.
Перепишите и переведите следующие предложения, обращая внимание на неличные формы глагола (см. образец выполнения 5).
1. As an economy becomes more developed, the energy consumed per person increases.
2. Wood was used not only for heating and cooking, but also as source of charcoal for reducing ores to metals.
3. Coal was difficult to mine with primitive tools.
4. The first fossil fuels to be used were surface deposits of asphalt, peat and coal.
Перепишите и переведите следующие предложения, обращая внимание на перевод зависимого и независимого причастных оборотов (см. образец выполнения 6).
1. Light and food industries have been modernized, much being done to expand the production of consumer goods.
2. An experiment demonstrating the existence of an ultraviolet and infrared spectrum must be performed.
3. The economic incentive has led to energy use and fuel consumption becoming progressively cleaner over time.
4. Having explained the biotic structure the lecturer presented the major abiotic factors.
5. Oceans include a variety of environments, each of these environments depending on water temperature, depth, nature of bottom and concentration of nutrients.
6. Every year people consuming more goods, production of goods uses more energy and natural resources which cannot be replenished fast.
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