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VII: Read the passage and fill in : (than/catch/for/solar/ways/energy/built/of) About twenty percent of the world's present energy already comes from the sun in one form or another. Special devices have already been made avaible to put on the roofs of houses and flats to (1)....... the sun's rays and the thus heat water. Thousands (2) ......these devices are now being used to provide(3) ..... in homes throughout the United States while more (4)....... a million solar water-heating units have already been(5).......in home in Japan. Other purposes for which (6)...... energy is at present being used include the separation of salt from seawater, irrigation and sewage disposal(7)..........most people in developing countries, the need is not for air-conditioners or central heating but for cheap(8).......of cooking food, drying crops and lighting homes

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7 tháng 8 2023 lúc 13:28

Special devices have already been made avaible to put on the roofs of houses and flats to (1) catch the sun's rays and the thus heat water. Thousands (2) of these devices are now being used to provide (3) energy in homes throughout the United States while more (4) than a million solar water-heating units have already been (5) built in home in Japan. Other purposes for which (6) solar energy is at present being used include the separation of salt from seawater, irrigation and sewage disposal (7) for most people in developing countries, the need is not for air-conditioners or central heating but for cheap (8) ways of cooking food, drying crops and lighting homes

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