专项练习3·U7 Protect the Earth-阅读提优

Unit 7 Protect the Earth 专项练习3 阅读提优 一、阅读短文,判断正（T）误（F）。 New energy in the twenty-first 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 higher place to a lower place, it can make electricity without pollution. However, people have to build dams 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 energy. This kind of energy is cheap, but it's only possible in a few places in the world. Energy from the sun Solar panels on the roofs of houses can turn energy from the sun into electricity. Solar power is clean and plentiful. But when the weather is bad, it doesn't work. ☆词汇积累 2 / 2 electricity 电 dam 水坝 heat 热 geothermal 地热的 solar panel 太阳能电池板 roof 顶部 plentiful 丰富的 （　　）1. Wind energy needs wind. （　　）2. People build dams to make electricity. （　　）3. Water moves from a lower place to a higher place. （　　）4. Geothermal energy is cheap in many places. （　　）5. Solar panels can't make electricity when the weather is bad. 二、阅读短文,选择正确的答案。 What is recycling? It is to reuse anything that can be used again. Recycling may save our world. Recycling also means doing everything we can do to prevent the need for recycling. How can we do that? Here are some suggestions: • If you bring your own bags with you to the shop, you won't need to use the bags of the shop. This will save bags before they need to be recycled. • Don't buy things that can be used only once. For example, use cloth napkins instead of paper napkins. • Put on warm clothes in the cold season, dress in cool clothes during the warm or hot season and try to use air conditioners less. · Don't leave the fridge door open for a long time! · Turn things off after you use them. · Take showers instead of baths. If you take showers, you use much less water. （　　）1._____ is to reuse somet