Unit4SectionA2a-2d课件人教版英语八年级下册

SectionAWhatisamazingaboutnature?2a-2dUnit4TheWondersofNature在本课学习结束时，学生能够：

基于图片与听力材料的信息提示，分析文本结构，梳理出深海探索相关事实的内容要点；

确定询问、介绍深海信息的角度与具体内容，形成围绕深海话题问答的清晰思路；

提炼听力与对话中关于深海探索的核心句型与表达方式，并能在口语和书面任务中灵活运用；

通过自评与互评，提升口语表达和书面填空的准确性与流畅性；

结合中国深潜器的相关内容，说出1-2项我国深海探索成就，增强民族自豪感，并提出1-2条保护深海的具体建议。LearningObjectivesTwentyThousandLeaguesUndertheSeaWhatdoyouknowaboutthedeepsea?Lead-inWhatdoyouknowaboutthedeepsea?Let’sfollowFenfouzhetoexplore.A.Fendouzhereached______________.B.Thedeepseabeginsat______________.C.TheTitanicrestsat____________.D.Awhalecandiveto_________________.Completethesentenceswiththeinformationfromthepicture.潜水10,909metres200metres3,800metresover2,000metresABDC2a11,000 About________metresdeepThedeepestpointintheocean.MarianaTrench马里亚纳海沟Aclassisaskingadeep-searesearchersomequestionsafterhistalk.Listenandtickthetopicstheydiscuss.□Where

the

deep

sea

begins□Why

people

are

researching

the

deep

sea□WhichChinesesubmersiblediveddeeperinthewaterthanmanyothers□Whatdeep-seaanimalsarelike□Howeveryoneshouldprotectthedeepsea/səbˈmɜːsəbl/潜水艇2bListenagain.Completethesentenceswiththefactsfromtheconversation.1.

People

still

don’t

know

much

about

the

.2.

In

,

China’s

Fendouzhe

dived

into

the

deep

seaandfilmed

it.3.

Some

animals

have

unusual

abilities.

Some

are

but

can

“see”.

Some

can

even

createtheirown

.4.

There

is

rubbish

even

at

metres

deep.2020ocean

floorblind

light11,000/ʌnˈjuːʒuəl/adj.不寻常的2cMsGao:

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!SectionA,2band2cReadthequestionsandthinkofmoreyouwouldliketoaskthedeep-searesearcher.Researchtheanswers.Thenaskandanswerthequestionswithapartner.What

is

the

largest

shark

in

the

deep

sea?What

is

the

bottom

of

the

deep

sea

like?Why

is

itimportanttoresearchthe

deep

sea?在……的底部2dVocabulary&3a-3cThelargestsharkinthedeepseaisusuallytheGreenlandshark.Itcangrowupto7meterslongandlivesindeep,coldwaters.What

is

the

largest

shark

in

the

deep

sea?theGreenlandshark格陵兰睡鲨Why

is

itimportanttoresearchthe

deep

sea?First,ithelpsusunderstandEarth’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,thedeepsea