Unit 2 Saving the Earth-Topic 2 All these problems are very serious.-Section A-ppt课件-(含教案+视频+音频+素材)-市级公开课-仁爱科普版九年级上册(编号：f1444).zip

1 Unit 2 Saving the earth Topic 2 All these problems are very serious Section A (导学案导学案) 教学目标：教学目标： C C 级目标级目标：能够熟练朗读和拼写下列词汇： sand（n.沙）sandstorm（n.沙尘暴）desert（n.沙漠 v.舍弃） although（conj.虽然尽管）reduce（v.减少减轻）completely（adv.彻底地,完整地） B B 级目标级目标：能够运用下列短语讨论沙尘暴的成因和预防措施： change into（转换成,变成）human being（人）blowaway(把吹走） washaway(把冲走）stopfrom doing sth.(阻止做某事) A A 级目标级目标： 1.能够爱护大自然，树立环保意识。2.能够呼吁人们去做一些环保事业。 Task 1： Listen to 1a and get the main idea. The boys and girls are talking about _. A. different types of sandstorms B. the reasons for sandstorms C. sandstorms in different cities Task 2: Listen to 1a again and fill in the blanks. 1a. Listen, look and say. (Kangkang, Maria and Jane are talking in a room. The wind outside is blowing strongly.) Kangkang: What bad weather! The wind is so strong! And the sand really hurt my face. While I was walking down the street just now, I couldnt see anything. Maria: Im sorry to hear that. What causes these sandstorms? Jane: People have _ _too many trees. _ _ _, a lot of rich land has_ _desert. Maria: Thats bad. How can that affect the weather? Jane: Trees can _the wind _ _ the earth _. 2 Kangkang: And a lot of water can be saved by forests. Jane: They can also_the water _ _the earth_. Kangkang: Cutting down trees is harmful to human beings, animals and plants. _we have bulit “The Green Great Wall”, we still need to do something to protect the environment. Task 3: Read 1a in groups and then find the answers to the following questions: 1. What about our life in the sandstorms? 2. What causes these sandstorms? 3. What can we do to stop sandstorms from coming into being? 4. How can that affect the weather? Exercise: Complete the sentences with the correct forms of the given phrases in the box. as a result, change into, do something, stopfrom, blowaway 1.People have cut down such a large number of trees that the land _desert. 2.we should try our best to _ people _ cutting down the trees. 3.There are fewer trees left, so the wind always _the earth _. 4.Air pollution has become a serious problem, so we must_ to reduce it. 5.In the future, human beings can protect the trees well._, animals will live a happy life in the forest. Homework: Write a passage to the people around you to tell them to protect our nature well. (The exercise above may help you) _ _ _ _ _ _ _ _ _ SectionSection A A Unit 2 Saving the earth Topic 2 河南省平顶山市四十三中河南省平顶山市四十三中 练佳乐练佳乐 我要做到我要做到： C级目标：级目标： 能够熟练朗读和 拼写下列词汇： sand（n.沙）沙） sandstorm（n.沙暴）沙暴） desert（n.沙漠沙漠 v.舍弃）舍弃） although（conj.虽然尽管）虽然尽管） B级目标：级目标： 能够运用下列短语讨论能够运用下列短语讨论 沙尘暴的成因和预防措施：沙尘暴的成因和预防措施： change into（转换成变成）（转换成变成） blowaway(把把吹走）吹走） washaway(把把冲走）冲走） stopfrom doing sth. (阻止阻止做某事做某事) A级目标：级目标： 1.能够爱护大自然，树立能够爱护大自然，树立 环保意识。环保意识。 2.能够呼吁人们去做一些能够呼吁人们去做一些 环保事业。环保事业。 How can sandstorms come into being? ( )( )( ) ( )( ) ( ) 415 36 2 wash the earth awaymany treeschange into desert forests gone sandstorms come into being cut down trees Listen to 1a and get the main idea. The boys and girls are talking about _. A.different types of sandstorms B.the reasons for sandstorms C.sandstorms in different cities Focus on the main idea of the conversation when you listen for the first time. B play Listen to 1a again and fill in the blanks. 1. People have _ _too many trees. _ _ _, a lot of rich land has_ _desert. 2. Trees can _the wind _ _ the earth _. 3. They can also_the water _ _ the earth_. 4. _we have bulit “The Green Great Wall”, we still need to do something to protect the environment. cut downAs a result changed into stop from blowing away stop from washing away Although play Read 1a in groups and answer the following questions: 1.What about our life in the sandstorms? 2.What causes these sandstorms? 3. How can that affect the weather? A. Trees can stop the wind from blowing the earth away. B. A lot of water can be saved by forests. C. They can also stop the water from washing the earth away. Trees functions Task A: 分角色朗读课文。 Task B:根据课文最后一句话”We still need to do something to protect the environment.” 续写对话。 play 我已做到我已做到： C级目标：级目标： 能够熟练朗读和 拼写下列词汇： sand（n.沙）沙） sandstorm（n.沙暴）沙暴） desert（n.沙漠沙漠 v.舍弃）舍弃） although（conj.虽然尽管）虽然尽管） B级目标：级目标： 能够运用下列短语讨论能够运用下列短语讨论 沙尘暴的成因和预防措施：沙尘暴的成因和预防措施： change into（转换成变成）（转换成变成） blowaway (把把吹走）吹走） washaway (把把冲走）冲走） stopfrom doing sth. (阻止阻止做某事做某事) A级目标：级目标： 1.能够爱护大自然，树立能够爱护大自然，树立 环保意识。环保意识。 2.能够呼吁人们去做一些能够呼吁人们去做一些 环保事业。环保事业。 as a result, change into, do something, stopfrom, blowaway 1.People have cut down such a large number of trees that the land _desert. 2.we should try our best to _ people _ cutting down the trees. 3.There are fewer trees left, so the wind always _ the earth _. 4.Air pollution has become a serious problem, so we must _ to reduce it. 5.In the future, human beings can protect the trees well. _, animals will live a happy life in the forest. has changed into blows away do something stopfrom As a result Write a passage to the people around you to tell them to protect our nature well. Saving the earth Section A Teaching Objectives: A. Be able to protect the nature. B. Be able to use the following phrases to discuss how the sandstorm comes into being. changeinto blowaway washaway stopfrom doing sth. C. Be able to read and spell the following words. sand sandstorm desert although Teaching Procedures: I.Showing the teaching aims II.Warm-up A Watch a video about the sun and the wind and then answer the question. Which one is stronger, the sun and the win? B. Compare two pictures and find out the differences between them. II I. Presentation Learn 1a Task 1 work alone Listen to 1a and get the main idea. Task 2. Work alone Listen to 1a again and fill in the blanks. 1. People have _ _too many trees. _ _ _,a lot of rich land has_ _desert. 2. Trees can _the wind _ _ the earth _. 3. They can also_the water _ _ the earth_. 4. _we have bulit “The Green Great Wall”, we still need to do something to protect the environment. Task 3. Work in groups Read 1a in groups and answer the following questions: 1. What about our life in the sandstorms? 2. What causes these sandstorms? 3. How can that affect the weather? IV. Practice Task A: Read the dialog in roles. Task B:Acodding the last sentence “We still need to do something to protect the environment.” and go on writing the dialog. Make the students show their results in pairs. Watch a video about the nature to call up everyone to protect the nature. V. Exercise Complete the sentences with the correct forms of the given phrases in the box. as a result, change into, do something, stopfrom, blowaway 1.People have cut down such a large number of trees that the land _desert. 2.we should try our best to _ people _ cutting down the trees. 3.There are fewer trees left, so the wind always _the earth _. 4.Air pollution has become a serious problem, so we must_ to reduce it. 5.In the future, human beings can protect the trees well._, animals will live a happy life in the forest. VI. Homework Write a passage to the people around you to tell them to protect our nature well. (The exercise above may help you) 板书设计 Saving the earth Section A blowaway sand washaway sandstorm Changeinto desert Stopfrom doing sth although