7Aunit3课文沈阳.docx

P29知识点Be covered by call sb sthP30知识点What are the blue parts on Earth?( Sea)What are the green and brown parts?( land)What are the white parts?( clouds)P31 The Earth is a beautiful place. There are forests and rivers, mountains and fields. Some places are very hot, and some are very cold.There are many different plants. Some are large. Some are small. All plants need light and water. There are different animals on Earth too. Some live on the land. Some fly in the sky. Some live under the water. There are also many people like you and me on Earth. The Earth provides us with air, water and food. It is our home. Today, there is a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.We must stop doing these things. It is important for us to protect the Earth for our future.P32c1 知识点provide sb with sth=provide sth for sb pollute=makedirtyprotect= keepsafeP32C2burn important pollute protect provide with1 Tom: The water from the factory is dirty. Bob: Yes. We must not let it (1)_ the river. We must do something to (2)_ the river. Tom: Yes. Its (3)_ for us to do something about this. 2 Jack: Forests are very important. Do you know why? Joe: Of course. They (4)_ us _ a lot of things. For example, wood and fruit. Jack: Youre right. Many people still (5)_ wood to make energy. P34知识点分数词写法，母序子基 One quarter three quarters one third two thirdsP37 用there be 填空Jane: (1)_ pollution in the sea. What can we do to help protect the sea? Danny: (2)_ many things we can do. We can have a beach clean-up day. You see, (3)_ always many bottles on the beaches. They pollute the sea. Jane: Thats a good idea! What else can we do? Danny: We can ask people not to eat shark fin soup. (4)_ a seafood restaurant near your home? Jane: No, (5)_. (6)_ any other things we can do to help? P40AirAir has no smell.Air has no taste.But when the wind blows,You feel it on your face.Look at a kite,Or a plane in the air.How do they stay there?They ride on air.How does a balloonRise in the air,And lift people up?It uses hot air.We need air to breathe.We need air to survive.And when we breathe it,It keeps us alive1.Air has no _ and no _. When the wind blows, you feel the _ on your face.2. A kite or a plane _ to stay in the sky. 3 .A balloon uses _ to rise in the air and _people up.4.“We need air to survive” means “Air _ us _”.P42The story of the ten sunsA long time ago, there were ten suns in the sky. The weather was very hot. Plants could not grow. Animals could not live long. There was a man. His name was Houyi. He shot nine suns out of the sky. In the end, only one sun remained. The weather got cooler. Plants could grow. People were happy. 短语1. talk about2. protectfrom3. be covered by4. what things5. The Earth is a beautiful place6. different plants7. need light and water8. be different from9. live on the land10. fly in the sky11. live under the water12. like you and me13. provide sb with sth=provide sth for sb14. a lot of pollution15. make energy16. put our rubbish into the sea 17. stop doing sth 18. It is important for us to protect the Earth for our future19. burn=set.on fire20. pollute=makesdirty21. one quarter22. three quarters23. two thirds24. countable nouns and uncountable nouns25. three bottles of milk26. two boxes of eggs27. a bowl of rice28. two glasses of water 29. a cup of coffee.30. there will be= there is going to be31. any other things32. fewer and fewer fish33. throw away34. no smell and no taste35. Air keeps us alive36. a long time ago =long long ago= once= once upon a time37. in the end=at last=finally38. in fact39. the contents page40. beginning with41. what else=what other things42. have a world map43. eat shark fin soup44. take our own shopping bags to the supermarket45. five feet tall=five feet in height46. take a look at=have a look at= look at47. solve=work out48. each= every49. type= kind50. ask sb for sth作文 how to protect the EarthThe Earth is very important to us, so we must protect the Earth. First, we must stop polluting the air. We stop burning things to make energy.If we are not far away from school, we can walk to school. Secondly, we must