Unit4InventionsReadingII课件-沪教版八年级英语上册

Unit

4

InventionsReadingII0203LearningobjectivesBytheendofthislesson,Ican:01analyzetheinformationorganizationandlanguageexpressionmethodsofthepassagesummarizethecharacteristicsofexposition(说明文)gainanin-depthunderstandingoftheimportanceandapplicationofthewheelLead-inBeforewatching,trytoanswer：What’sthevideomainlyabout?PleaseanswerthefollowingquestionsWhat’sthetypeofthevideo?Didthetexttrytoentertain(使...娱乐)usornot?√It’snotlikeastory.Lead-inDiditgiveusfactsandexplanations?A.Ittellsfacts.Haveyoureadorwatchsomethinglikethisbefore—inEnglishorinChinese?B.Itgivesexplanations.√Scienceexposition—科普类说明文Lead-inDecidewhichonesarefromascienceexposition(科普类说明文),andwhicharefromothertypesofwriting?ABThehumanbraincontainsabout86billionnervecellscalledneurons.Inmyopinion,robotsshouldnotreplacehumanteachers.√

BecauseAisafactaboutthehumanbody,usingscientificterm"neurons".WhileBisapersonalopinion.Lead-inDecidewhichonesarefromascienceexposition(科普类说明文),andwhicharefromothertypesofwriting?AB"Whattimedoestheexperimentstart?"askedTom.ResearchershavediscoveredanewspeciesoffrogintheAmazonrainforest.√

BecauseBreportsascientificdiscoveryinaneutral,factualtone.WhileAisaquestioninconversation.Lead-inSummarizethecharacteristicsoftheScienceexposition—科普类说明文

Purpose:ToinformLanguage:Clear,factual,objective

Features:Headings,definitions,examples

Examplesinreallife:Sciencewebsites,museumsignsLead-inClosereadingCanyoutelluswhichkindofourtextbelongsto?√A.ScienceexpositionB.PoemC.PublicspeechD.Narrative(记叙文)Clear,factual,objectiveExamplegivingPleasefindthemoutinthepassageLet’sbeafacthunter!!!!FeaturesScienceexpositionexamplePurposeToneKeywordsAnyconversations?ExplainfactsObjectiveForexample;becauseNoClosereadingLet’sbeafacthunterandgivethereportTakealookabout3DprintersandgiveitabriefintroductionClosereadingPrepareyourspeechwithyourgroupmemberYoucanbeginyourspeechlike:Thewheelnotonlychangedthewayhumansmove,butitalsoallowedustobuildalltypesofamazingmachines.Forexample,

the3Dprinter.

Itlookslike..It’smadeof..It’snowchangingourlivesindifferentfields.....Withoutdoubt,thewheelisoneofthemostimportantinventionsofallthetime.ClosereadingChecklistaboutyourspeechFeaturesDoesyourspeechinclude...?PurposeIsitbasedonexplainingfacts?ToneIsitobjectiveenough?KeywordsDoyougivesomeexamples?Anyconversations?Arethereanyconversations?√√√√ClosereadingLanguagewritingskillsFeaturesofExpositoryWritingA.PurposeB.LanguagefeaturesC.StuctureD.UsefulsentencesToexplainorinform1.Thisarticleexplains..2.Forexample,..3.Allinall..1.Introduction2.Body3.Conclusion1.Simplepresenttense2.Objective3.Usinglinkingwords1.Whenthefirsthumansdecidedtoleavetheirhomesover100,000yearsagoinsearchofnewplacestoliveandbetterresourcesoffood.使用了“decidetodo”(决定做某事)“insearchof”(搜寻)句型。AscientistdecidedtotraveltotheAmazoninsearchofnewinsectspecies.一个科学家决定去探索亚马逊去搜寻新的昆虫物种。Languagewritingskills2.Humanscontinuedwalkingacrosstheglobeforthenext94,000years.使用了“continuedoing”(继续做某事)句型。Don’tstopnow—pleasecontinueworkingonyourscienceproject!别停下，继续做你们的科学项目！Languagewritingskills3.Althoughthismeantthatpeoplecouldtravelfurtherandfaster,transportinglargeamountofgoodswasstilladifficultjob.使用了“Although”(虽然；尽管)让步状语从句；“Travelfurtherandfaster”比较级+and+比较级。Althoughthewindwasblowingharderandharder,thescientistscontinuedobservingthestorm.尽管风越刮越猛，科学家们仍继续观察风暴。Languagewritingskills4.Farmersweresuddenlyabletotransporttheirgoodstomarketsfaraway.使用了“beabletodo”(能够做某事)句型。Shewasabletosolvethemathproblemafterthinkingcarefully她经过认真思考后，成功解出了那道数学题。Languagewritingskills5.Thewheelchangedthewayvillages,townsandevencountriesdidbusinesswitheachother.这是一个主从复合句，主句中包含一个定语从句（修饰“theway”），并在后面省略“inwhich/that”。译为“以...的方式”。Thisistheway(that)scientistsstudyclimatechange.这就是科学家研究气候变化的方式。Languagewritingskills6.Asaresult,thefirstroadsmadeofstoneappearedafterthearrivalofthewheel.使用了“bemadeof”(由..制成)句型，并省略“that/which”的定语从句。同时，使用了“thearrivalof”(..的到来/出现)的短语。Withthearrivalofthetrainmadeofsteel,travelbecamefasterandsafer.随着由钢铁制成的火车的到来，旅行变得更加快速和安全。Languagewritingskills7.Thewheelnotonlychangedthewayhumansmove,butitalsoallowedustobulidalltypesofamazingmachines.这是一个包含“notonly..butalso”并列句、宾语从句

theway后省略“that”和动词不定式“tobuild

”构成的句子。LearningEnglishnotonlyhelpsustalktoforeigners,butalsoopensthedoortonewcultures.学习英语不仅帮助我们与外国人交流，还打开了了解新文化的大门。Languagewritingskills8.TheIndustrialRevolutiondepenededonthewheel.使用了“dependon”(依靠，依赖)短语。Plantsdependonsunlightandwatertogrow.植物依靠阳光和水来生长。Languagewritingskills9.Withoutdoubt,thewheelisoneofthemostimportantinventionsofalltime.这是一个考点句，包含“oneof”短语，注意后面要加形容词最高级和名词复数。Englishisoneofthemostimportantlanguagesintheworld.英语是世界上最重要的语言之一。LanguagewritingskillsFurtherthinkingIntheeraofnewdigitaliziedworld,undoubtedly,thewheelisoneofthemostimportantinventionsforhumanbeings.Apartfrom3Dprinters,canyouexplainanimportantinventionthatismadeofthewheel?Theinvention—...WhatitisWhatitlookslikeWhatitcandoYouropinionTheWheelintheInformationAgeEvenintheinformationage,thewheelisstillveryimportant.Itisnotjustonoldcarts—itworkswithnewtechnology!Forexample:*Sharedbikeshavewheels.Peopleusetheirphonestounlockthemandridearound.It’seasyandgreen.*Smartdeliveryrobotsusewheelstomoveandbringfoodorpackagestohomes.*Electriccarshavewheelsthatworkwithcomputerstosaveenergyandfindthebestwaytogo.FurtherthinkingPleaseworkwithyourgroupmemberstomakeaPOSTERYoucanstartlikethis..Intheeraofnewdigitaliziedworld,wethink...isoneofthemostimportantinventions...WhatitisWhatitlookslikeBenefitsoftheinventionWhatitcandoMainfeaturesFurtherthinkingVocabularypracticeVocabularypracticedependedonattachedtopullpathsdoubtVocabularypracticeWriteaboutaninventionwiththewordsandexpressionsbelow.increaseafterthearrivalof..changedtheinventionof..dependononeofthemostimportantinventionsofallthetimeTheinventionoftheprintingpressgreatlyincreasedthespreadofknowledgeAfterthearrivaloftheinternet,communicationbecamemuchfasterandeasier.Theinventionofthewheelschangedhowpeoplecommunicatewitheachother.Manyproductsdependonwheelstorun