2. I called you this morning. But nobody (reply) .
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學習實踐園地系列答案科目：初中英語 來源： 題型：
New energy in the 21st century
Energy from the wind
Wind is a kind of clean energy,and there is lots of it. But if there’s no wind,there is no wind energy.
Energy from the water
When water moves from a high place to a lower place,it can make electricity (電) without pollution. However,people have to build dams (水壩) to use this energy,and building dams is very expensive.
Energy from the earth
There is heat in the rocks under the earth. Scientists use the heat to make geothermal (地熱的) energy. This kind of energy is cheap,but it is only possible in a few places in the world.
Energy from the Sun
Solar panels (太陽電池板) on the roofs of houses can turn energy from the Sun into electricity. Solar energy is clean and plentiful (豐富的) . But when the weather is bad,it doesn’t work.
根據短文內容，完成表格。
New energy in the 21st century | ||
Sorts of energy | Advantages | Disadvantages |
Wind energy | Clean. There is a lot. | It needs 1 . |
Water energy | No 2 . | It is expensive to build dams. |
Geothermal energy | 3 . | It’s only 4 in a few places. |
Solar energy | Clean and plentiful. | It depends too much on(太依賴于）5 . |
2. 3. 4. 5.
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