Exercise 4. Complete the sentences with the words givengiúp em với ạ ----- Nội dung ảnh ----- Exercise 4. Complete the sentences with the words given. 1. The wind energy is cheap and readily **available** during summer in our region. 2. If the fan doesn't work, the engine could **overheat**. 3. Solar **panels** are put on the roofs to produce electricity. 4. We **recycle** all our cans and bottles. 5. The **hydro energy** program will provide energy for 100,000 homes. 6. Batteries store **energy** from the solar panels. 7. All countries are asked to reduce their use of **non-renewable** sources of energy. 8. We would like people use more renewable energy sources instead of **fossil fuels**. 9. We should use less gas, but increase the use of **nuclear energy**. 10. His new job is to make sure lights and electrical **appliances** are switched off when they are not used. Exercise 5. Choose the correct words. 1. We should rely much more on **limited / expensive / alternative** sources of energy. 2. The river provides a **limited / plentiful / polluting** supply of clean water to nearby villages - they don't worry about water supply any more. 3. The problem with fossil fuels is that they are not **non-renewable / renewable / dangerous**. 4. The public have more concerns about **water / nuclear / solar** energy because of waste and accidents. 5. He seems not to **run up / run away / run out** of energy, so he can work for hours nonstop. 6. Strawberries are **plentiful / limited / renewable** and cheap in summer. 7. Our harmful / **available / nuclear** natural resources will run out soon. 8. The sun can make our energy the **cheap / unlimited / clean**. 9. Solar energy seems to be harmful / **unlimited / clean** - we can rely on it for a factory. 10. The air becomes worse because of **polluted / polluting/pollution** gases from the factory. |