七下Unit4Period1.ppt

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1、1. Review the words and phrases.2. Describe the uses of trees.3. Try our best to save trees.branchfight againstharmfulgasproduceoxygenmajorconvenientfurniture 树枝与斗争反对有害的气体产生；生产氧气主要的方便的家具New wordstake income fromfor examplein factlook aroundbe made ofmillions of1、例如2、来自3、吸收4、数以百万的5、确切地说6、环顾四周7、由制成Use

2、ful phrasesLook at the pictures and read the title on page 45. Then answer the questions below.(3mins)1.What do you think the interview is about? A. The lives of trees. B. Why trees are important in our daily lives.2. What do trees do for us? A. They help fight against pollution. B. They provide us

3、with wood, fruit, etc. C. They are home to birds and animals. D. All of the above.3. What can we make from trees? Write down three examples.Reading skill略读（略读（Skimming）即迅速浏览全文，利用图片及标题，）即迅速浏览全文，利用图片及标题，抓住文章大意和主题句，明确作者的态度和意图。抓住文章大意和主题句，明确作者的态度和意图。 Before the readingWhile the readingWhat does Rebecca w

4、ant to know? How do trees keep the air clean? Where does tea come from ? What is usually made of wood? Task 1 (5mins)Reading skill跳读（跳读（Scanning） 即快速查找某一相关信息，跳即快速查找某一相关信息，跳读时要一目十行，对不相关的内容一带而过。读时要一目十行，对不相关的内容一带而过。 Topic sentencesTrees are really in our daily lives. They help us in many ways.Useful tr

5、eesProducts from treesTrees in dangerFactsPeople cut down trees every year.What to do?We should stop so many trees.importantmillions ofcutting downfurniturefruit and oilpapers and pencilsteaTask 2 Facts about trees (5mins)Reading skill跳读（跳读（Scanning） 即快速查找某一相关信息，即快速查找某一相关信息，跳读时要一目十行，对不相关的内容一带而过。跳读时要

6、一目十行，对不相关的内容一带而过。 1. Trees take in useful gases from the air.2. Trees produce oxygen for us to breathe.3. Many things come from trees. For example, paper, chairs and pencils. 4. In fact, we cant get a lot more from trees.Task 3 (5mins) Reading skill跳读（跳读（Scanning） 即快速查找某一相关信息，即快速查找某一相关信息，跳读时要一目十行，对不

7、相关的内容一带而过。跳读时要一目十行，对不相关的内容一带而过。 After the reading Reading skill猜测生词猜测生词(Guessing the new words) 在阅读过在阅读过程中，不可避免的会遇到生词。如果一遇到程中，不可避免的会遇到生词。如果一遇到生词就去查字典，或跳过去不看，都会影响生词就去查字典，或跳过去不看，都会影响对文章的理解。这样就要猜测生词的意思。对文章的理解。这样就要猜测生词的意思。不同的语境，单词的意思也就不一样。所以不同的语境，单词的意思也就不一样。所以要根据上下文线索和构词法等知识去猜测。要根据上下文线索和构词法等知识去猜测。 lYou

8、can choose a letter.lYou can discuss in your group in 10 seconds, then answer.lIf you are correct, you may get 5 points.lBut if you get a typhoon, it will blow away the points.A A B B C CD DE EF FGGHHI IJ JKKL LA1. 完成句子： 事实上，他是一个好人。 , he is a good man.109 8 7 6 5 4 3 2 1 0In factB2.首字母填空：Smoking is

9、h （有害的） to your health. 109 8 7 6 5 4 3 2 1 0armfulC3. 翻译：Oxygen (来自）plants and trees. 109 8 7 6 5 4 3 2 1 0 comes fromD4. When is Tree Planting Day（植树节）？109 8 7 6 5 4 3 2 1 0March 12E5. 完成句子：我喜欢做运动，比如说打篮球和跑步。I like doing sports, , playing basketball and running. 109 8 7 6 5 4 3 2 1 0 for exampleF6.

10、 翻译： Trees can (吸收）harmful gases from the air.109 8 7 6 5 4 3 2 1 0 take inG7. 翻译：Its (方便的）to go to Foshan by underground now.109 8 7 6 5 4 3 2 1 0 convenientH109 8 7 6 5 4 3 2 1 0I109 8 7 6 5 4 3 2 1 05. 完成句子：这张椅子是木材做的。This chair wood. is made ofBJ10. We can get food _ plants.A. withB. fromC. ofD.

11、for109 8 7 6 5 4 3 2 1 0K11. 翻译： 数以百万计的109 8 7 6 5 4 3 2 1 0 millions ofL109 8 7 6 5 4 3 2 1 0air pollutioncool and cleanharmful gasesmore convenientcome from treesmade of woodRead the text and complete the notes below on page 47.What do people do for trees?Think about what you can do to save trees

12、.Our promisesOur promises I promise to write on both sides I promise to write on both sides of the paper!of the paper! I promise not to cut down trees!I promise not to cut down trees! I promise to plant more trees in I promise to plant more trees in the future!the future! I promise not to use throwI promise not to use throw away away chopsticks!chopsticks! Homework