Task 1. Choose the best answer to complete these following sentences. 1. Can you turn ................ the light? It's too dark. A. on B. off C. in D. for 2. Scientists are looking for an ..................... way to reduce energy consumption. A. effective B. affection C. effect D. effectively 3. In order to save electricity, an ordinary 100-watt light bulb can be replaced by ___. A. a 1000-watt light B. a lamp C. an electric bulb D. an energy-saving bulb 4. I suggest using energy-saving bulb__________ our electricity bill A. to reduce B. reducing C. reduces D. reduced 5. Energy-saving bulbs should be used__________ electricity . A. save B. saving C. to save D. to saving 6. In winter, heating _________ for 50 percent of our electricity bill. A. takes B. occupies C. accounts D. costs 7. In Western countries, electricity, gas, _____ water are not luxuries but necessities. A. and B. or C. but D. therefore Task 2. Fill in the blanks with proper words, then answer the following questions. power – effective – nuclear – advanced – pollution heat – stored – electricity – energy - panels Are you looking for a cheap, clean, (1) ________ source of power that doesn’t cause (2) ________ or waste natural resources? Look no further than solar (3) ________ from our Sun. At present, most of our (4) ________ comes from the use of coal and gas, oil or (5) ________ power. This power could be provided by the Sun. One percent of the solar energy that reaches the Earth is enough to provide (6) ________ for the total population. Many countries are already using solar energy. Solar (7) ________ are placed on the roofs of a house and the Sun’s energy is used to (8) ________water. The energy can be (9) ________ for a number of days, so on cloudy days you can use solar energy, too. Sweden has an (10) ________ solar energy program. There, all buildings will be heated by solar energy and cars will use solar power instead of gas by the year 2015.