Unit4TheWondersofNatureSectionA2a2d课件人教版英语八年级下册

SectionAWhatisamazingaboutnature?SectionA2a-2d听说课单元主题：人与社会人与自然单元子主题：身份认同与文化自信不同地区的生态特征与自然景观；热爱与敬畏自然，与自然和谐共生；环保意识和行为学习目标能够读懂信息图，理解其中符号、图标、数字传递的信息，并用英语描述图中涉及的信息。能够理解听力对话的场景和说话人的身份，并梳理讲座后问答环节中涉及的问题，把握对话的核心内容。能够通过精听把握对话中的细节信息，学会抓取关键词。能够通过学习听力对话，对深海探索的相关知识产生兴趣，主动思考并提出问题，在此基础上深入探究，进一步认识深海研究的重要性。What’sthehighestmountainintheworld?Howhighisit?ReviewIt’sMountQomolangmaandit’s8,848.86metreshigh.Where’sthedeepestpointintheocean?Howdeepisit?It’sintheMarianaTrenchandit’sabout11,000metresdeep.Whatdoyouknowaboutthedeepsea?darkcolddangerouswaterpressureWhatdoyouknowaboutthedeepsea?submersible/səbˈmɜːsəbl/40m200m500m3700m6000m10909mWhatistheinfographicabout?Whatdoeseachicon(图标)standfor?Whatdothenumbersontherightmean?It’saboutoceandepths./depθ/n.深(度);纵深theTitanic/taɪˈtænɪk/MountQomolangmaFendouzheawhaleTheymeanthedepthsoftheocean.Note:Infographicsusepictures,numbersandwordstoshowusinformationclearly./səbˈmɜːsəbl/Completethesentenceswiththeinformationfromthepicture.2aCompletethesentenceswiththeinformationfromthepicture.2a1.Fendouzhe

reached____.2.Thedeepsea

beginsat____.3.TheTitanic

restsat____.4.Awhalecan

diveto____.ABCD/taɪˈtænɪk//depθ/n.深（度）潜水1.Fendouzhe

reached____.2.Thedeepsea

beginsat____.3.TheTitanic

restsat____.4.Awhalecan

diveto____.10,909metres200metres3,800metresover2,000metresCompletethesentenceswiththeinformationfromthepicture.2a

□Where

the

deep

sea

begins□Why

people

are

researching

the

deep

sea□WhichChinesesubmersiblediveddeeperinthewaterthanmanyothers□Whatdeep-seaanimalsarelike□Howeveryoneshouldprotectthedeepsea/səbˈmɜːsəbl/潜水艇WhichChinesesubmersibledivedthedeepest?2bAclassisaskingadeep-searesearchersomequestionsafterhistalk.Listenandtickthetopicstheydiscuss.doresearchon/intosth.对...

进行研究/调查/rɪˈsɜːtʃ/v.&n.研究;调查2bAclassisaskingadeep-searesearchersomequestionsafterhistalk.Listenandtickthetopicstheydiscuss.□wherethedeepseabegins□whypeopleareresearchingthedeepsea□whichChinesesubmersiblediveddeeperinthewaterthanmanyothers□whatdeep-seaanimalsarelike□howeveryoneshouldprotectthedeepsea/səbˈmɜːsəbl/Whatquestionsdidtheyask?doresearchon/intosth.对...

进行研究/调查/rɪˈsɜːtʃ/v.&n.研究;调查Listenandfillintheblanks.NameQuestionAnswerEmmaWhyarepeopleresearchingthedeepsea?_________isonereason.FuXingWhataredeep-seaanimalslike?Manyare_______and________.Someareblind.Someevencreatetheirownlight!PeterArethereanyothersurprisingfactsaboutthedeepsea?There’s_________evenat11,000metresdeep.Curiositylargeunusualrubbish/ʌnˈjuːʒuəl/adj.不寻常的2cListenagain.Completethesentenceswiththefactsfromtheconversation.Peoplestilldon’tknowmuchaboutthe_______________.In________,China’sFendouzhedivedintothedeepseaandfilmedit.Someanimalshaveunusualabilities.Someare________butcan“see”.Somecanevencreatetheirown________.Thereisrubbishevenat________metresdeep.oceanfloor/deepsea2020blindlight11,000潜入...中特殊能力/ʌnˈjuːʒuəl/adj.不寻常的ListeningScriptsMsGao:Thankyouforthewonderfultalk,MrJones.Now,doesanyonehaveanyquestions?Emma:Ido!Whyaresomanycountriesresearchingthedeepsea?MrJones:Well,curiosityisonereason.Wedon'tknowenoughabouttheoceanfloor.FuXing:Irememberthatin2020,China'sFendouzhediveddeeperintotheMarianaTrenchthanmanyothersubmersiblesintheworldandfilmedit.ButIdidn'tseeanydeep-seaanimals.Whataretheylike?SectionA,2band2cMrJones:Well,manydeep-seaanimalsarelargeandunusual.Someanimalsareblind,buttheycan"see"aswellasothers.Someevencreatetheirownlight!Peter:Cool!Arethereanyothersurprisingfactsaboutthedeepsea?MrJones:Didyouknowthatthere'srubbishevenat11,000metresdeep?Thatshockedmanypeople.MsGao:That'sterrible!Weshoulddosomethingaboutit.MrJones:You'reright!ReadandlearnMsGao:

Thankyouforthewonderfultalk,MrJones.Now,doesanyonehaveanyquestions?Emma:Ido!Whyaresomanycountriesresearchingthedeepsea?MrJones:Well,curiosityisonereason.Wedon'tknowmuchabouttheoceanfloor.FuXing:

Irememberthatin2020,China'sFendouzhediveddeeperintotheMarianaTrenchthanmanyothersubmersiblesintheworldandfilmedit.ButIdidn'tseeanydeep-seaanimals.Whataretheylike?MrJones:Well,manydeep-seaanimalsarelargeandunusual.Someanimalsareblind,buttheycan"see"aswellasothers.Someevencreatetheirownlight!Peter:

Cool!Arethereanyothersurprisingfactsaboutthedeepsea?MrJones:Didyouknowthatthere'srubbishevenat11,000metresdeep?Thatshockedmanypeople.MsGao:That'sterrible!Weshoulddosomethingaboutit.MrJones:You'reright!TalkaboutreasonsTalkaboutfeaturesGiveananswerGiveanopinionThankyoufor(doing)sth.感谢(做了)...和...一样好anyother+n.复:还有其他…吗Thankyouforthewonderfultalk 为这场精彩的演讲感谢你doesanyonehaveanyquestions 有人有问题吗researchingthedeepsea 研究深海onereason 一个原因theoceanfloor 海底divedeeperinto 更深地潜入filmedit 拍摄了它aswellasothers 和其他的一样surprisingfacts 令人惊讶的事实at11,000metresdeep 在11000米深处（的地方）Readandremember.wonderv.想知道

→ wonderfuladj.精彩的；极好的curiosityn.好奇心

→ curiousadj.好奇的divev./n.潜水；跳水

→ divingn.潜水；跳水usualadj.通常的；寻常的

→ unusualadj.不寻常的；独特的deepadj.深的

→ depthn.深度；深刻Howshouldeveryoneprotectthedeepsea?Thedeepseaishometocountlessamazingcreatures.2dReadthequestionsandthinkofmoreyouwouldliketoaskthedeep-searesearcher.Researchtheanswers.Thenaskandanswerthequestionswithapartner.•

Whatisthelargestsharkinthedeepsea?•Whatisthebottomofthedeepsealike?Thebottomofthedeepseaisverydarkandverycold.Thereisextremepressurefromtheweightofthewaterabove.Why

is

itimportanttoresearchthe

deep

sea?First,ithelpsusunderstandtheearth’shistorybecausemanydeep-searocksandsedimentsholdcluesaboutpastclimates.首先，研究深海能帮我们了解地球的历史，因为许多深海岩石和沉积物中，都藏着能揭示过去气候的线索。Second,deep-seacreatureshavespecialabilities.Forexample,theycanmakelightbythemselves,andtheyhavespecialenzymesthatworkunderhighpressure.Thesecanhelpmedicineandtechnology.深海生物有特殊的适应能力，比如会生物发光，还有能在高压环境下工作的酶，这些都能帮到医药和科技领域。Mostimportantly,thedeepseahelpscontroltheglobalclimatebytakingincarbondioxide.最重要的是，深海能吸收二氧化碳，在调节全球气候方面发挥着关键作用。Words:1.wondern.奇观；惊叹v.琢磨；想知道；感到诧异—wonderfuladj.精彩的；绝妙的2.measurev.测量；量度为—measurementn.数量；测量3.deepadj.深的；有……深的—depthn.深(度)；纵深4.researchv.&n.研究；调查—researchern.研究者5.usualadj.通常的—unusualadj.

特别的；不寻常的—usuallyadv.通常地Phrases:1.onearth在地球上2.squarekilometre平方千米3.below/abovesealevel低于/高于海平面4.diveintothedeepsea潜入深海5.thebottomof……

的底部MountQomolangmaisthe

(high)mountainintheworld.Wewereall

(shock)tohearthatthereisrubbishatthebottomoftheocean.The

(deep)oftheMarianaTrenchisabout11,000metres.Curiosityisoneofthe

(reason)whypeopleexplorethedeepsea.Manydeep-seaanimalslook

(usual)andhavespecialabilities.highestshockeddepthreasonsunusual用单词的适当形式填空Exercise选词填空。1.AspecialChinese__________calledFendouzhedivedverydeep.2.Manypeopleareveryinterestedinanimalswith________coloursandshapes.3.Many________animalscannotsee;theyare________.4.Someanimalscancreatetheirown________inthedark.5.Itissadtofind________evenonthedeep___________.submersibleunusual

deep-seablindlightdeep-sea submersible unusual blind light rubbish oceanfloorrubbishoceanfloorExercise根据要求完成句子。1.很多国家正在研究深海。Manycountriesare___________________________.2.有些深海动物是盲的，但它们能和其他动物一样“看见”。Somedeep-seaanimalsareblind,buttheycan“see”__________________others.3.奋斗者号在2020年潜入了马里亚纳海沟。Fendouzhe____________theMarianaTrenchin2020.4.甚至在11000米深的地方都有垃圾。Thereisrubbishevenat__________________.5.我们应该为保护深海做些事情。Weshould_________________________thedeepsea.researching