仁爱八上Unit4Topic1SectionC公开课.ppt

city countryside rainforests New words rainforest n. （热 带）雨林 forest n. 森林 cover v. 覆盖，遮盖；掩盖 n.盖子；罩 earth n. 地球；土，泥；大地 on earth 在地球 上，在世界上； （加强疑问句的语气）到底，究竟 Listen to the tape and Mark T or F according to 1a ( )1.Rainforests cover half of the earth’s surface. ( )2.We can see everything clearly in the forests. ( )3.Rainforests can give us many useful things. ( )4.In rainforests all the animals live on the ground. ( )5.Without rainforests, the environment would become quite terrible. 1b Listen to 1a again and finish the  following tasks. 1.What does “cover” mean in this passage?( ) A. set up B. spread over C. have D. form 2. We can’t get the answer to Question ( ) from the passage. A. What are in rainforests ? B. Why are rainforests important to us? C. What can we get from rainforests? D. What should we do to protect rainforests? The importance of rainforests 1C Group work The importance of rainforests: 1. make the air fresher 2. help to control the climate 3. give us wood, rubber, fruit, medicine and so on 4.save water 5.prevent the water from washing the earth away 6.give animals a good environment 2b complete the passage. 3 Work alone Spring is warm. It’s the best season to plant trees. But how to plant a tree? Do you know? First, dig a hole in the earth, and make sure the hole is deep enough for a tree. Then, put the tree in the hole, and keep it straight. After that, fill the hole with earth, then make the earth hard with your feet. Finally, water the tree. If everything is OK, the tree will grow new leaves a few days later. When you plant a tree: ( )Put the tree in the hole and keep it straight. ( )Fill the hole with earth and make the earth hard with your feet. ( )Dig a hole in the earth and make sure the hole is deep enough for a tree. ( )Water the tree. If everything is OK, the tree will grow new lea