Unit 5 Developing ideas （ppt课件） (2)-2022新外研版（2019）《高中英语》选择性必修第一册.pptx

1、Unit 5 Revealing natureDeveloping ideasWhat are the plants?flytrapmimosapea Activity 1.Look at the pictures and tick what plants can do.p attackp breathep eatp sleepp movep speakp stealp thinkHave you ever thought of that plants can speak?Fast reading for structure&genre（体裁）Activity 2.Read from Para

2、.1 to Para.2,and try to find out the thesis statement(主旨句）of the passage.Activity 3.Look at the first sentence of the rest paragraphs and figure out what is presented.Para.3 Para.4 Para.5Use chemicalsUse soundUse the“wood wide web”Para.6ConclusionThe passage is probably a/an_.A.narration(记叙文）B.argum

3、entation（议论文）C.exposition(说明文）Activity 4.Can you guess what genre (体裁)the passage is.1.Descriptive/definitionIn this style of writing,topics are defined by characteristics and examples.2.Process/sequentialIt outlines a series of steps needed in order to complete a task or produce something.6.Compara

4、tive/contrastIt is used to demonstrate how two or more subjects are the same and different.5.Cause/effectIt describes how one step leads to a result.3.Problem/solutionIt presents a problem and possible solutions,supported by data and facts.4.Classification(分类）分类）It breaks down a broad topic into cat

5、egories or groupings.Six Common Types of exposition writingTypes of expositionWhat type does the passage belong to?Descriptive expostition.Structure of a descriptive expositionPart 1IntroductionPart 2BodyPart 3ConclusionThe introductory paragraph shows the thesis statement.Focus on each separate poi

6、nt.Provide supporting examples and facts.Conlusion is with a short summary of key points/a thesis statement.Structure of a descriptive expository essayPart 1IntroductionPart 2BodyPart 3ConclusionPara.1Plants can communicate.(The thesis statemnet)Plants have various ways to communicate.(chemicals,sou

7、nd,www)Para.2Para.3Para.4Para.5Para.6 Scientists are learning more about plantslanguage(restate the thesis statement)Careful reading for details Para.1 Read for paragraph organization:Para.1 Talking plants have long been a thing of myths and legends.Many cultures have stories of talking trees that g

8、ive advice as well as warnings to people.Alexander the Great and Marco Polo were said to have visited such a tree in India.And in some modern stories,such as the film Avatar,trees can communicate with animals and people._-a thing of myths and legends.Talking trees give_to people.eg,Alexander the Gre

9、at and Marco Polo were said to have visited such a tree in India.Evidence from stories of many cultures.Evidence from some modern stories.Trees in the film Avatar can communicate with_.Talking plantsadvice and warningsanimals and people Para.2 Read paragraph 2 carefully and choose.Para.2 With us lon

10、g believing that talking plants are fantasy,new research has revealed something amazing:it appears that plants can communicate after all.Which of the following is the function of paragraph 2?A.To introduce the following context.B.To describe an experiment.C.To tell the importance of plants.D.To give

11、 a piece of evidence.Para 2.is used to clearly illustrate the thesis statement.Its also a transitional paragraph.the thesis statement Para.3 Read paragraph 3 and fill in the chart.attackbean plant releaseChemicals another plant Differentchemicals drive awayattract release detectkill Para.4:Read and

12、finish the table.Plantscorn and chilisome treesHow they communicate with soundExamples1._with their roots.2.Listen to the noises from_.A chili plant can tell if a _is helpful,or unfriendly._when there is not _,indicating drought is arriving.make noisesother plantsneighbouring plantmaking clicking no

13、isesenough water Para.5 Read and finish the table.World wide web Wood wide websystem for communication among _on munication among _in the forest.how is it linked a worldwide network of computers linked by _ the wood wide web is linked underground by_,which links the roots of_ to each other.enable to

14、 docommunicate,entertain and shop by network.share _with each other.cybercrime1.cheat someone out of his money or information.2.spread computer virus to attack others computer.1.steal_from each other2.spread_to attack_humansplantscables and satellitesfungidifferent plantsinformation and even foodfoo

15、dpoisonother plants Para.6:Read and finish.1.What is the writers attitude towards the scientific research on the secret language of plants?A.Positive B.Negative C.Neutral D.Indifferent2.What is the function of Para.6?It is a conclusion and a restatement of the thesis statement.It also raises an expe

16、ctation about future research of plant communication.Careful reading for figure of speech(修辞）In Para.3.This is like a warning,or a call for help:“Im being attacked!”Which figure of speech is being used?PersonificationPersonification means giving human characteristics to something that is not human.B

17、y using human characteristics to describe an object,animal or even a place,personification can make descriptions more vivid.Practice.Can you translate the sentences by using personification?1.风吹过来，花儿在风中跳起了舞蹈。2.大火吞没了整个森林。（swallow vt.吞没）3.岁月不等人。4.黄河咆哮着，仿佛在诉说着我们民族的发展史。（roar vi.咆哮）5.春姑娘笑着向小草走来，为小草添上绿衣裳。（add sth.to sth.为.增加.）The wind blows and the flowers dance in the wind.The big fire swallowed the entire forest.Time and tide wait for no man.The Yellow River roars as if it is telling the development history of our nation.Spring girl came to the grass with a smile,adding green clothes to thegrass.