高二英语外研选择性必修一课件.pptx

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1、选择性必修一 Unit 5 Revealing Nature(3)高二年级 英语Developing ideasThe Secret Language of Plants ReadingLearning objectives At the end of the class,you will be able to:1.find out the ways in which plants communicate;organize information from the passage and complete a diagram;2.integrate the information and de

2、scribe the ways of communication between plants;3.voice your opinion of the benefits of studying plant communication.1.Look at the pictures and tick what plants can do.Lead in()attack ()move()breathe ()speak()eat ()steal()sleep ()thinkattackeatmovesleepbreathe Lead in2.Talk about what else you think

3、 plants can do and give examples.Lead inWatch a short video to get more information.Lead inThings a plant can do:nurture the young;listen secretly to the neighbors;move;digest,etc.Make a prediction.The Secret Language of Plants Read for general idea.Read the passage quickly to find out the general i

4、dea of this passage by using the key words.Read for general idea.General idea Para 1:talking treesPara 2:talking plants,communicatePara 3:communicatePara 4:communicatePara 5:communicationPara 6:talk,communicationPlants can communicate Read for general idea.Read the passage and find out the ways in w

5、hich plants communicate.How many ways are mentioned?What are they?Three.Plants can communicate with each other by using chemicals,sound and“wood wide web”.How do plants use the ways to communicate?Organise the information from the passage and complete the diagram.Read for detailed information.Modern

6、 research is showing that plants can 1 .Using chemicalsUsing sound Using the“wood wide web”Maybe one day we will be able to“talk”with municate with each other Read for detailed information.Modern research is showing that plants can 1 Read for detailed municate with each other.Using chemicalsThe plan

7、t releases chemicals 2 that are being eaten.When another plant detects the chemicals,it starts to 3 from the leaves release its own,different chemicals.Modern research is showing that plants can 1 Read for detailed municate with each other.Using soundSome plants make noises 4A chili plant can 5Some

8、trees make 6with their roots.tell if a neighbouring plant is helpful or unfriendly.clicking noises when there is not enough water,indicating drought is arriving.Modern research is showing that plants can 1 Read for detailed municate with each other.Using the“wood wide web”This fungal network links 7

9、 Plants can 8 to attack other plants.the roots of different plants to each other.steal food from each other,or spread poisonsThe body partPlants can communicate by using chemicals sound the“wood wide web”Using sound Using sound (P4)(P4)Using“wood Using“wood wide web”wide web”(P5)(P5)Using Using chem

10、icals (P3)chemicals (P3)The body partIt has been known for some time that plants use chemicals to communicate with each other.Most surprisingly,plants also use sound to communicate.Most surprisingly of all,plants have amazing system of communication that can link nearly every plant in a forest.Using

11、 sound Using sound (P4)(P4)Modern research is showing that Modern research is showing that plants can communicate.(P1-2)plants can communicate.(P1-2)Using the“wood Using the“wood wide web”(P5)wide web”(P5)Maybe one day we will be able to Maybe one day we will be able to“talk”with plants.(P6)“talk”wi

12、th plants.(P6)Using chemicals (P3)Post-readingModern research is showing that plants can communicate.Maybe one day we will be able to“talk”with plants.It has been known for some time that plants use chemicals to communicate with each other.Most surprisingly,plants also use sound to communicate.Most

13、surprisingly of all,plants have amazing system of communication that can link nearly every plant in a forest.Modern research is showing that plants can 1 .Using chemicalsUsing sound Using the“wood wide web”Maybe one day we will be able to“talk”with municate with each other Work out the structure of

14、the passage.Modern research is showing that plants can 1Using chemicalsExplanation 1Explanation 2Using soundExplanation 3Example 1Example 2Using the“wood wide web”Explanation 4Explanation 5 Post-readingMaybe one day we will be able to“talk”with municate with each other.Explanation 2Explanation 2Intr

15、oducing Introducing the topicthe topicExplanation 3Explanation 3EndingEndingExplanation 1Explanation 1StructureShow Time Retell the passage.Think and ShareThink and Share (1)What figure of speech is being used when the plants are described as calling for help?What is its function?Personification.It

16、can make descriptions more vivid.Think and Share (2)What does“wood wide web”mean?It means an amazing system of communication that can link nearly every plant in a forest.It is linked underground by fungi and this fungal network links roots of different plants to each other.Using the roots of differe

17、nt plants can share information and even food with each other.Think and Share(3)What do you think are the benefits of studying plant communication?e.g.We can use it to grow crops without pesticides.We can improve crop quality and agronomic performance.Think and Share(4)What discoveries are described

18、 in the two reading passages in this unit and what do their meanings have in common?Passage 1 reveals the discovery of evolution and Passage 2 reveals the discovery of communication between plants.They all reflect that there are numerous secrets in nature that remain to be explored.Look at the pictu

19、res and tick what plants can do.Think again and add more.()attack ()move()breathe ()speak()eat ()steal()sleep ()think()food()warnAmazing and awesomeSummaryLet animals and plants live happily and harmoniously with us!Clear waters and green mountains are as good as mountains of gold and silver.Summary

20、Lets answer the call of our country to advocate harmonious coexistence between humans and nature,and stick to the path of green and sustainable development.HomeworkOption 1:Write a summary of the passage and state the importance of studying the language of plants.Option 2:Watch a documentary to collect more information about plants and report it to the class.Option 3:Complete the exercises of the work sheet.