新版PEP六年级下册unit4_B_第四课时.pptx

. Unit 4 Then and now 人教版 六年级下册 . Part B第四课时 . Let’s check Listen and number. . Cross out the words you didn’t hear. gym dinning hall grass cycling ice-skating badminton . Let’s wrap it up Changes are all around us. Talk about the changes below. Chen Jie was short. Now she is 1.5 metres tall. . It was an egg. Now …. . It was raining. Now …. . In summer the tree was green. Now …. . There was a building before. Now …. . The cat was on the chair. Now …. . Chen Jie was short. Now she is 1.5 metres tall. . Cavemen often ate raw meat. They didn’t cook their food. 吃生肉 . Now there are many things to help you cook. . In 2050, there will be house robots. They will cook ,clean and wash the dishes. 洗盘子 . Oh, cavemen didn’t cook their meat? It’s OK. They didn’t do the dishes either. . There were many trees, and there were many clean rivers. . Now , there are more and more buildings. . We should help the earth now, so birds will have homes and the forests will be healthy and green again. . Look ! How beautiful the world was! Oh! What will the birds do? Don’t worry. People will help them. . Before humans lived on the earth, whales already lived in the sea. . Now, there are not many whales. . If we change now, whales and humans will have a bright future.（有一个美好的未来） . Heal the world. Make it a better place! 拯救世界 . 你们要学习思考，然后再来写作。 —— 布瓦罗