Unit 5 Revealing nature Developing ideas 课件-2024-2025学年高中英语外研版（2019）选择性必修第一册

Developing ideas Unit 5 Lead-in What about plants on the earth? Trees can communicate with animals and people in Avatar! attack move breathe speak eat steal sleep think Look at the pictures and talk about what plants on the earth can do. flytrap捕蝇草 mimosa含羞草 pea豌豆 Lead-in The Secret Language of Plants 4 The Secret Language of Plants Plants can ____________in ways humans _______(can/can’t) notice. communicate can’t Prediction 5 Leading to the topic:____________have been a thing of myths and legends. New research has revealed that ___________________________________ Plants use __________ to communicate with each other. Plants use _________ to communicate. Para. 1 Para. 2 Para. 3 Para. 4 Plants use ________ to communicate. Maybe one day we will be able to____________ Para. 5 Para. 6 Read for the main idea of each paragraph and the passage structure Talking plants plants can communicate with each other. chemicals sound the “www” talk with plants. Exposition 1．What is the main function of paragraph 2? A．To tell us talking plants are fantasy. B．To connect the past with the next. C．To explain what is a talking plant. D．To prove plants can communicate. √ a transitional paragraph. Introduction: with a topic to catch readers’ attention, and a thesis statement to present the main concept of your essay. Body: the first, second, third… point / argument with supporting evidence. Conclusion with a concise summary of your key points / a thesis statement. Expository essay structure Part 1 Introduction and thesis statement Part 2 Body Part 3 Conclusion Leading to the topic:____________have been a thing of myths and legends. New research has revealed that ___________________________________ Plants use __________ to communicate with each other. Plants use _________ to communicate. Para. 1 Para. 2 Para. 3 Para. 4 Plants use ________ to communicate. Maybe one day we will be able to____________ Para. 5 Para. 6 Read for the main idea of each paragraph and the passage structure Plants can communicate Plants have various ways to communicate Part 1 Introduction and thesis statement Part 2 Body Part 3 Conclusion Talking plants plants can communicate with each other. chemicals sound the “www” talk with plants. Modern research is showing that plants can___________________________. Using chemicals * The plant releases chemicals ___________________ that are being eaten. * When another plants detects the chemicals, it starts to ___________________ *Some of these chemicals _________________. Others ______________________________________. Maybe one day we will be able to “talk” with plants. communicate with each other from the leaves release its own, different chemicals Organise information from the passage and complete the diagram. drive insects away attract wasps that kill the insects. Careful reading Para. 3 10 chemicals a bean plant insects another bean plant different chemicals wasp attack release release detect drive away attract kill Careful reading Para. 3 11 Modern research is showing that plants can___________________________. Using chemicals * The plant releases chemicals ___________________ that are being eaten. * When another plants detects the chemicals, it starts to ___________________ *Some of these chemicals _________________. Others ______________________________________. Maybe one day we will be able to “talk” with plants. communicate with each other from the leaves release its own, different chemicals Using sound * Some plants make noises _____________________. * A chilli plant can ______________________. * Some trees make ___________________. with their roots tell if a neighbouring plant is helpful, or unfriendly clicking noises to indicate drought's coming Organise information from the passage and complete the diagram. drive insects away attract wasps that kill the insects. Careful reading Para. 4 12 Modern research is showing that plants can___________________________. Using chemicals * The plant releases chemicals ___________________ that are being eaten. * When another plants detects the chemicals, it starts to ___________________ *Some of these chemicals _________________. Others ______________________________________. Maybe one day we will be able to “talk” with plants. communicate with each other from the leaves release its own, different chemicals Using sound * Some plants make noises _____________________. * A chilli plant can ______________________. * Some trees make ___________________. with their roots tell if a neighbouring plant is helpful, or unfriendly clicking noises to indicate drought's coming Using the “wood wide web” * This fungal network links _________________________. * Plants can ______________ ________________________ with each other. * Plants can_______________ _________________________ to attack other plants. the roots of different plants share information and even food steal food from each other or spread poisons Organise information from the passage and complete the diagram. drive insects away attract wasps that kill the insects. Para. 5 Careful reading 13 “wood wide web” refers to an amazing system of communication linked by fungi which can connect nearly every plant in a forest. What does “wood wide web” mean? Careful reading Para. 5 Wood wide web Para. 5 Full name _________________ ____________________ System for ______________among humans ______________ among plants Link every ________on Earth every _______ in a forest Linked by ___________ and ___________ underground _______which links the _______ of different plants to each other Use it to share _____________ and _______with each other Cybercrime cheat someone out of his______ spread computer virus to attack others’ __________ steal ______ from each other spread _________ to ______ other plants communication communication plant cables satellites fungi roots World Wide Web Wood Wide Web communicate entertain shop information food computers money food poisons attack person 16 What is the writer’s attitude towards the scientific research on the secret language of plants? A. Positive B. Negative C. Neutral D. Indifferent Scientists are learning more every day about the secret way in which plants talk to each other. Who knows? Maybe one day we will know enough about plant communication to be able to “talk” with them ourselves. Careful reading Read Para. 6 and answer the following answer. 17 Think & Share 1 What figure of speech is being used when the plants are described as calling for help? What is its function? 2. What does “wood wide web” mean? 3. What are the benefits of studying plant communication？ 4. What discoveries are described in the two reading passages in this unit and what do their meanings have in common? Think and Share Help us have a better understanding of plants and encourage us to explore more about the mysterious nature (the secret of nature). Help us make better use of plants for the benefit of mankind. (eg.We can use it to grow crops without pesticides / improve crop quality/...) 3.What are the benefits of studying plant communication？ Help us better protect nature and live in harmony with nature. 4. What discoveries are described in the two reading passages in this unit? What do their meanings have in common? Passage 1 reveals the secret of evolution. Passage 2 reveals the secret of communication between plants. They all reflect that there are numerous secrets in nature that are waiting to be explored. Tick what plants can do.Think again amd add more. attack breathe eat sleep move speak steal think √ √ √ √ √ √ √ √ warn purify air amazing and awsome Summary Lucid waters and lush mountains are invaluable assets. Let’s live in harmony with plants and animals. 和，也 给某人建议 据说 和...交流 揭示了惊人的事情 似乎... 毕竟，终究 被...袭击 微量的 受伤的邻居 赶跑 ... 警告系统 制造噪音 最令人惊奇的是 在某种程度上 把...和...连接起来 as well as (A as well as B就前原则) give advice to sb. on sth.= give/offer sb. advice/suggestions on sth. be said to do communicate with reveal sth. amazing It appears/seems that... after all get/be attacked by... tiny amounts of(+不可数名词+V复数) injured neighbour drive... away warning system make noises most surprisingly of all in some ways / in a way link... to/with... 1. Alexander the Great and Marco Polo were said _______________ (visit) such a tree in India. 2._________ us long believing that talking plants are fantasy, new research has revealed somthing __________(amaze). 3._______ has been known for some time that plants use chemicals to communicate with each other. 4.Scientista hope to learn more about this plant warning system, so ______ we can use it to grow crops _________ pesticides. 5.___________ the Internet is a worldwide network of computers _______ (link) by cables and satellites, the wood wide web is linked underground by fungi. 6 .Scientists are learning more every day about the secret ways _____ plants talk to each other. to have visited With While表对比“然而” linked that /in which amazing It形式主语 that without With+O+Oc. so that引导目的状语从句=in order to use/ so as to use/ to use... the way+定语从句 补充：I don’t like the way ______________ you speak to your parents. I don’t like the way______________he told me. that/in which/省略 that/ which/省略 1.to have visited 2. With 3.indicating 4.Most surprisingly , that/ which 5. in, to 6.While linked7.Using 8.in which Thanks for your attention Lavf57.71.100 Packed by Bilibili XCoder v2.0.2 x264 0.128.2216+688+32 a17ff54 tMod [8-bit@4:2:0 X86] $$