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1. Best energy sources depend on many factors-how the energy is being used, where it is being used, etc.
2. Coal is widely used for power generation in many fast – developing countries.
3. Since the beginning of the industrial revolution, significant progress has been made in the efficient use of fossil fuels.
4. Efficiency of hybrid – fuel cars will be improved by capturing kinetic energy from the wheels to power the battery.
2. Перепишите предложения и переведите их на русский язык, обращая внимание на разные значения глаголов to be, to have, to do (см. образец выполнения 2).
1. Some energy sources have advantages for specific uses or locations.
2. For renewable energy resources to become more widely used, hurdles have to be overcome.
3. World reserves of fossil energy are to last for many more decades.
4. These systems do not use solar cells.
Перепишите и переведите следующие предложения, обращая внимание на неличные формы глагола (см. образец выполнения 3).
1. Hydrogen, when burnt, produces water.
2. Today’s methods include «reforming», which uses heat to separate hydrogen from hydrocarbons.
3. When pure hydrogen gas is formed, it will immediately evaporate, then condense with oxygen to become water.
4. Automakers are developing fuel cells extracting hydrogen from gasoline or methanol.
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