Unit 8 Lesson 4（课件）英语冀教版2024八年级上册

【冀教版2024八年级上册】Unit8ProtectingtheenvironmentLesson4Globalwarming学习目标通过本课学习，学生能够1.通过听读看等方式，获取并正确认读全球变暖相关主题词汇，能读懂文本中关于全球变暖的基础信息，梳理“原因-影响-解决措施”的文本逻辑；(学习理解)2.通过分段阅读与任务分析，能从文本中提取全球变暖的主要成因，具体影响，以及减缓措施；能归纳文本中类比举例的说明方法，完成环保行动的简短表达；（应用实践）3.通过讨论和分析，理解“微小生活改变对减缓全球变暖的意义”,能结合自身经验主动分享几个绿色生活建议，树立“个人行动助力环保”的意识，并认同“集体参与应对全球环境问题”的理念。(迁移创新）

ContentsLeadinPre-readingWhile-readingPost-readingSummaryLanguagepointsExercisesHomeworkLeadinleadin1.Whatproblemsdoyouthinkourenvironmentisfacingnow?2.Doyouthinktheseproblemsarerelatedtohumanactivities?Pre-readingPre-readingLookatthepictureanddiscuss.

1.Whatcanyousee?Icansee…2.Whatmaythetextbeabout?Itmaybeabout…While-readingWhile-readingReadParagraph1andanswerquestions.Howdoesthewriterstartthetext?A.Bytellingafact.B.Byaskingaquestion.C.Bylistingnumbers.While-readingReadParagraph1andlistthemainreasonsforglobalwarming.①__________________________________②__________________________________③__________________________________Peopleburnthingslikegas,oil,andcoal.Theycutdowntreesandcreatalotofwaste.…While-readingReadParagraph2andanswerquestions.Howdoesthewriterexplainglobalwarming?A.Bytellingafact.B.Bygivinganexample.C.Bymakingacomparison.While-readingReadParagraph2andanswerquestions.Howdoesthewriterexplaintheeffectsofglobalwarming?A.Bytellingafact.B.Bygivinganexample.C.Bymakingacomparison.While-readingReadParagraph3andlistsomesimpleactionswhichcanslowdownglobalwarming.①__________________________________②__________________________________③__________________________________④__________________________________Choosetowalkorbikeinsteadoddriving.Turnoffdeviceswearen’tusinglikeTVsandlights.Planttreesanddoother“green”activities.…While-readingReadthepassageagainandcompletethemindmap.While-readingReadthepassageagainandcompletethemindmap.Post-readingPost-readingIsthereanythingyoucandotoslowdownglobalwarming?Thinkandtick.Post-readingTherearemanyotherenvironmentalproblems.Thinkandwriteaboutoneofthem.

SummarySummarygasn.天然气；气体oiln.石油；原油；油coaln.煤planetn.地球；行星increasen.＆v.增加；增长effectn.影响；效果；结果；v.引起；使发生seriousadj.严重的；严肃的polen.(行星的)极；极端meltv.融化；（使）熔化causev.造成；引起；导致n.原因；理由；事业floodn.洪水；大量stormn.暴风雨thankfullyadv.幸亏；感激地actionn.行动；行为devicen.设备；仪器；方法addressv.设法解决；演讲；n.地址；演讲getafever发烧leadto导致slowdown放慢；放缓turnoff关闭LanguagepointsLanguagepoints

1.Theeffectsofglobalwarmingareserious.全球变暖的影响非常严重。

effectiveadj.有效的；（法律等）生效的affect和effectaffectv.影响Smokingaffectshealth.effectn.影响；效果；结果haveaneffecton=affectSmokinghaveaneffectonourhealth.Languagepoints

1.Theeffectsofglobalwarmingareserious.全球变暖的影响非常严重。

serious①严重的

②严肃的beseriousabout对……认真

Notsleepingenoughisaseriousproblem.睡眠不足是一个严重的问题Heisacarefulandseriousman.他是一个谨慎严肃的人。Languagepoints

2.Thiscausesthesealeveltorise,whichcanleadtomorefloodsandstorms.这会导致海洋的水位上升，从而引发更多的洪水和暴风雨。causev.造成；引起；导致n.原因；

理由；

事业

causesthforsb=causesbsth给某人带来某事/物（多指麻烦）causesb/sthtodosth导致某人/某物做某事Languagepoints

3.Thankfully,wecanhelpslowdowngolbalwarmingbytakingsomesimpleactions.幸好，我们可以通过采取一些简单的行动来减缓全球变暖。takeaction（todosth）

采取行动（做某事）

Actionsspeaklouderthanwords.行胜于言。/事实胜于雄辩。Languagepoints

4.Turnoffdeviceswearen’tusinglikeTVsandlights.关掉我们不用的设备，比如电视和电灯。

动词+副词短语，如果是代词，必须用宾格，且放在中间。

turnoff关掉（水电煤气等）Turnoffthelights.(tap/gas)turnon打开（水电煤气等）TurnontheTV.(radion,computer)turndown关小、调低（音量温度等）TurndowntheTV.turnup开大、调高（音量温度等）Turnupthemusic.Languagepoints

5.Justbymakingsomesmallchangesinourdailylives,wecanplayaroleinaddressingglobalwarming.只要在日常生活中做出一些微小的改变，我们就能在解决全球变暖方面发挥作用。

address①v.设法解决；演讲②n.地址；演讲It’simportanttoaddressteeagers’mentalproblem.Pleasesendmeyouraddressandphonenumber.ExercisesExercises

Fillintheblankswiththeproperwords.1.Lastmonth,Lisabrokeherlegso________.2.Theweatherreportsaysitwillbea_________daytomorrow.3.Ineedallthestudents’___________andtelephonenumbers.4.Therewasafireinthe