Unit5BeGreenLesson2Doourpart（课件）英语新教材北师大版八年级下册

（北师大版）八年级下Unit5BeGreenLesson2DoOurPartLeadin01Pre-listening02While-listening030405060708Post-listeningFocusonLanguageExpressyourselfHomeworkGrammar掌握与节约用电相关的词汇和短语（如turnoff,replace...with...,LEDlights等），能听懂并谈论节约用电的方法。树立节约用电、保护环境的意识，理解“doourpart”的含义并愿意付诸行动。能通过听力捕捉对话主旨和关键信息，能运用感叹句表达情感，能完成节约用电主题的短文写作。Leadin

01Weusesomuchelectricityeverydayathomeandatschool.Isitimportanttosaveelectricity?Why？?Yes!Becausewecanprotecttheenvironment.Pre-listening02ActivateandShareActivity1Whatcanyoudotosaveelectricityathomeandatschool?Talkwithapartner.Usetheideasbelowtohelpyou.turnthelightsoff→

关灯closewindows→关窗turnyourcomputeroff→关电脑replaceoldlightbulbswithLEDlights→

用LED灯替换旧灯泡ActivateandShareWhatcanwedotosaveelectricityatschool?

Weneedtoturnourcomputeroffwhenwe’renotusingit.That’sagoodidea!AndwecanalsoreplaceoldlightbulbswithLEDlights.

Activity1Whatcanyoudotosaveelectricityathomeandatschool?Talkwithapartner.Usetheideasbelowtohelpyou.While-listening03ListenandExploreActivity2ListentoadialoguebetweenKateandJoe.Whatproblemaretheytalkingabout?Theyaretalkingaboutthehighelectricitybill/toomuchelectricityuse.ListenandExploreActivity3ListenagainandcompleteKateandJoe’sgreensolutions.Whatsolutionsdotheymention?TurnoffthelightsLEDlightsturncomputersoffwashingmachineuphigherwhenweuseairconditioninginthesummertooPost-listening04Activity4Whatcanyoudotosaveelectricityathome?ActoutthedialogueusingyournotesinActivity3.ListenandExploreOurelectricitybillisveryhigh.We’veusedsomuchelectricity!Oh,dear!Weneedtodosomething.First,let’sturnoffthelightswhenwe’renotusingthem.Goodidea!ThenwecanreplacetheoldlightbulbswithLEDlights.Andweshouldremembertoturncomputersoffwhenwefinishedourwork.Activity4Whatcanyoudotosaveelectricityathome?ActoutthedialogueusingyournotesinActivity3.ListenandExploreAlso,let’sfillthewashingmachineupbeforeweuseit.Finally,let’ssettheroomtemperaturehigherwhenweuseairconditioninginthesummertoo.Perfect!Thesechangeswillhelpussaveelectricity.Activity5Whatelsecanyoudotosaveelectricityathome?Haveyoudoneyourpart?Talkwithapartner.ListenandExploreTurnofftheTVwhennooneiswatchingit.Useafaninsteadofairconditioningwhenit’snottoohot.Don’tleavethefridgedooropenfortoolong.Usenaturallightinsteadofturningonthelightsduringtheday.FocusonLanguage05VocabularyinuseActivity6Writealistoftipsforsavingelectricityathomeandatschoolwiththeexpressionsgiven.1.Weshouldturnoffcomputerswhenweleavetheclassroom.2.WecanreplaceoldlightbulbswithLEDlightstosaveenergyVocabularyinuseActivity6Writealistoftipsforsavingelectricityathomeandatschoolwiththeexpressionsgiven.3.Remembertoturnoffthelightswhenyou’renotintheroom.4.Let’sdoourpartfromnowontoprotecttheenvironment.5.Wecansettheroomtemperaturehighwhenweuseairconditioninginthesummer.Grammar06GrammarDiscoveryActivity7Exclamations（感叹句）一、定义（WhatisanExclamation?）感叹句是用来表达强烈情感（如惊讶、喜悦、赞叹、愤怒、惋惜等）的句子，句末通常用感叹号!，语气比陈述句更强烈。二、核心结构与用法1.What型感叹句结构公式：What+(a/an)+形容词+可数名词单数+(主语+谓语)!What+形容词+可数名词复数/不可数名词+(主语+谓语)!特点：强调名词，突出对事物的赞叹或惊讶。例句：Whatahighelectricitybill(itis)!（多么高的电费啊！）WhatusefulLEDlights(theyare)!（多么实用的LED灯啊！）2.How型感叹句结构公式：How+形容词/副词+(主语+谓语)!特点：强调形容词或副词，突出对程度、状态的感叹。例句：Howhighourelectricitybillis!（我们的电费真高啊！）Howimportantitistosaveelectricity!三、用法要点（KeyRules）主语和谓语可省略：在口语中，主语和谓语常被省略，句子更简洁。Whatagoodidea!=Whatagoodideaitis!Howcool!=Howcoolitis!a/an的使用：后面接可数名词单数时，要加a/an：Whatausefultip!后面接可数名词复数/不可数名词时，不加a/an：Whatusefultips!/Whatimportantwork!07ExpressyourselfWritingActivity8WriteashortpostforanonlineEnglishforumtotellreaderswhatyourfamily/school/classcandotosaveelectricity.Useexclamationstoshowyourfeelings.WritingActivity8WriteashortpostforanonlineEnglishforumtotellreaderswhatyourfamily/school/classcandotosaveelectricity.Useexclamationstoshowyourfeelings.Therearealotofwaystosaveelectricity.Ourfamilycandoourpartinthefollowingways.First,weturnoffcomputerswhenwearenotusingthem.Whatasimplebutusefultip!Second,wereplaceoldlightbulbswithLEDlights.Howbrightandenergy-savingtheyare!Third,wesettheroomtemperaturehigherwhenweuseairconditioninginthesummer.It’ssocooltoprotecttheenvironment!Let’sdoourpartfromnowon!postWritingActivity8WriteashortpostforanonlineEnglishforumtotellreaderswhatyourfamily/school/classcandotosaveelectricity.Useexclamationstoshowyourfeelings.MyIdea:Ithink“doourpart”meanstakingsmallactionstohelpprotecttheenvironment.Itisimportantbecauseeverysmalleffortcanmakeabigdifferencetoourearth.Assessment07Self-assessment

Ican

acquireexpressionsrelatedtoteamactivitiesthroughwatchingandlisteningactivities.

Icanshareexperiencesofteamactivitiesinreal-lifecontexts.

Icanunderstandan