Unit13 The Water Planet 新课标 人教版 课件VIP专享VIP免费

SpeakingSpeakingUnit 13 The Water Planet Pair work 三峡水电站新丰江水电站 Water can be used to make electricity. Water energy is clean and safe, but dams sometimes destroy the environment. This is a good way to use water because the water stays clean and can be reused. Everyone benefits from this way of using the water. Sample conversation Sample conversation A: How is the water being used in the picture? B: The water is being used to produce electricity. You can see a great high dam with the roaring wave at the base. A: Is this a good way to use water? B: Yes. I think so, especially in some remote and backward areas. People need electricity to live a bright life and develop their economy to make a better living. You know there are some places where people still use oil lamp at night. A: Are there any disadvantages? B: Yes. There is no perfect thing. A: What are the disadvantages of using water in this way? B: Let me see. I guess the river will be polluted if there are too many people living around the river. But if people pay attention to it and make a good design, this problem can be avoided. 农业用水 Plants need water to grow. In dry areas, we have to bring in extra water to grow plants and vegetables. Many people benefit from this way of using water. We need water to grow crops, but a lot of water is usually wasted in the process. We must find a better way to use water so that crops can grow and water can be saved. Sample conversation Sample conversation A: What can you see in the picture? B: There are several water pipes across the fields. In many rural areas, farmers use underground water to irrigate their crops to help them grow better. A: Why do we u...