Lớp 12
Lớp 1điểm
3 tháng trước
Đỗ Bảo Đức

Part 3: Read the following sentences about the different forms of energy available. Match the sentences in Part One with correct sentences in Part Two.  (10 points) PART ONE 0. Muscles and wood were the first sources of energy used by early man. 1. Coal made the Industrial Revolution in the nineteenth century possible. 2. Today we depend on oil more than any other fuels. 3. Gas is considered as a “mineral” because, together with coal, it is part of the earth’s crust. 4. Hydroelectric power is used to produce electricity. 5. Geothermal energy is produced from the heat stored in the earth’s core. 6. The wind was used as a power source over 1,300 years ago in Persia when the first windmill was built to return a millstone. 7. Waves have enormous power. 8. Incoming tides can be trapped behind a dam across a bay or an estuary. 9. A huge amount of solar energy reaches the earth’s outer atmosphere. 10. Nuclear fuels, such as uranium-235 and plutonium, can be made to produce immense heat by a process called “fission”. PART TWO a. Like oil, it is a fossil fuel and is thus a non-renewable source of energy. b. One danger, however, is in getting rid of the radioactive wastes which are produced. c. They increase and decrease more slowly than the wind, thus making them easier to use as a source of energy. d. It was the first fossil fuel to be used to power machinery. e. However, it is thinly spread, and collecting it in countries like Britain and northern Europe is still difficult and expensive. f. It is used as a fuel in cars, ships and aeroplanes, and even in rockets. g. It is produced by the fall of water trapped in a dam. h. It took thousands of years to progress to using coal on a large scale. I.This internal heat helps to produce geysers and steam springs and can be used to generate eletricity in countries like New Zealand. j. The water is then allowed to flow out past water wheels as the tide goes out. k. For morden purposes, however, it is necessary to build a machine which can store the energy obtained for use on calm days. Example:             0 – H 1........                   2. .......                  3.........                  4.........                  5........                                                                 6……                       7…….                      8….…                      9…….                      10…..

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