Bài tập & Lời giải
1. Complete the table with “Fossil fuels” or “Alternative energy sources”.
Sea wave Wind power Hydropower … |
Coal Petrol DO Gas … |
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2. Read the article. Complete the sentences with the words from the article.
1. Alternative energy sources are not the result of … of fossil fuels.
2. … fuels make use of daily waste products.
3. Besides generating electricity, geothermal energy also … homes.
4. … contain both thermal energy and mechanical energy.
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3. Read the article again. Write true or false.
1. We must burn fossil fuels to get energy.
2. Biomass fuels don't include farm products.
3. They also use geothermal energy to heat homes in the capital of Iceland.
4. Only tides in oceans can produce electricity.
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4. Complete the sentences. Choose NO MORE THAN THREE WORDS from the article for each answer.
1. Alternative energy sources are usually … because we do not burn them.
2. … include grains, agricultural crops and aquatic plants.
3. They can make use of the heat from … to generate electricity.
4. OTEC changes … into electricity.