Unit5Developingideas课件-外研版英语八年级下学期

Unit5DevelopingideasLookingintonatureLearningobjectivesInthislesson,wewillbeableto:1.activateinterestinnaturalmysteriesthroughpictures,discussionsandvideos.2.practisetargetedlisteningskills(topicselection,detailfilling,tablecompletion)understandhowspeakersdiscusspossibilitiesusingmodalverbsandphrasesandpractiserole-playdialoguestotalkaboutthepossibilitiesofnature’ssecrets.3.applycriticalthinkingandcollaborativeproblem-solvingskillsbyproposingplausibletheoriesforothernaturalmysteries,usingevidence-basedreasoningandhavingadiscussion.4.learnthekeylanguagepointsandstructuresofthetext,andapplythemincontextproperly.

LeadinWhatcanyouseeinthepicture?Icanseeablackholeinthepicture.

LeadinWhatcanyouseeinthepicture?Icanseeamysteriousmonstersurroundedbydensegreenrainforest.

LeadinWhatcanyouseeinthepicture?Icanseewindingriverwiththicksteam/mistrisingfromitssurface.LeadinWhichofthesecretsinterestsyoumost?Natureisfullofsecrets.Theyare

waitingtobeexplained.Theseincludeblackholes,thebeginningoftheuniverse,theLochNessMonsterandBigfoot.Thesesecretsawakenourcuriosityanddrivescientiststobetterunderstandthewondersaroundus.DIDYOUKNOW?LeadinWatchthevideoandanswerthequestion.Whatnaturalforcecouldcausethis?Volcano?Magic?Chemicalreaction?Volcanicheat.Listentothetalkandchoosethecorrecttopic.a

AdisappearingriverinSouthAmerica.b

ThelifeofthepeopleintheAmazonrainforest.c

AboilingriverintheAmazonrainforest.PhoneticsinuseStressinwords(1)

Awordcanbestressedondifferentsyllables.Ifwestressthesecondsyllable,thewordisusuallyaverb.Forexample,presentdescribesthetime,whilepresentdescribesanaction.Listenagainandcompletetheprofile.Whatisit?Itisaboilingriverashotas¹___________℃.Whatdothelocalpeopledowithit?They

2_____________withit.Theycleanwithit.Theymake

3___________withit.Theysometimesgoswimminginit,butonlyafter

4____________.What'sthespeaker'sopinion?It'soneofthemost

5________________oftherainforest.LearningtolearnListeningforopinionsExpressionssuchasIthink,Ibelieveand

Iguessshowpeople’sopinions.Remember:peoplearesharingtheirideas,soyoudon'thavetoagree.Butyoushouldlistentotheotherperson'sopinionsandbepolite.Listentotheconversationandcompletethetable.Tourists'ideasTheguide'sopinionsTheancientpeople'sideaispossible.There’smuch1_______________It'sunlikelyforthesunto

2________thatmuch.Perhapstheriverpassesavolcanoand

3_______________That'snotthereason.Thenearestvolcanoisabout

4__________away.Maybetherearesomechemicals

5_____________.Theycan

6_____________heat.That’s

7_____________,butscientistshaven’tfoundanyyet.More

8____________isneeded.Listenagain.Thentalkabouthowthespeakersdiscusspossibilities.LearningtolearnTalkingaboutpossibilitiesCould,mayandmightareusedtotalkaboutpossibilities.Wordssuchasmaybeandperhapsareused,too.WecanalsousethestructureIt’scertain/likely/possiblethat…Workinpairs.Chooseoneunsolvedsecretofnatureandtalkaboutpossibleexplanations.Thetruthmaybe….There’sa(strong)possibilitythat…It’slikelythat…It’spossiblethat…Perhapsit’sbecause…There’sachancethat…It’sprobablyaresultof…UsefulexpressionsHaveyouheardof...?Perhapsit'sbecause...Yes,it'sverystrange.I'mcuriousaboutthepossiblereasons.CheckyourpresentationPresentyourpostertotheclass.languagecorrectform(形式正确)accuratemeaning(意义精确)properuse(使用恰当)posterdesigncreativity(创意)performanceconfidence(自信)OK

Good

ExcellentTalkaboutwhatyouhavelearntaboutthesecretsofnatureinthissection.Throughtheactivitiesexploringnature'smysteries(liketheAmazon'sboilingriver),I'vegainedvaluableinsightsintoeffectiveteamwork.FreetalkTogether,curiositybecomesdiscovery.1.Haveyouheardof...?Yes,it'sverystrange.结构:Haveyouheardof+名词/事件？解释:询问对方是否知晓某事的常用句型。例句:Haveyouheardof

theBermudaTriangle?你听说过百慕大三角吗？Haveyouheardof

thenewspeciesfoundintheAmazon?你听说过亚马逊发现的新物种吗？2.It'sunlikelyforthesuntoheatthatmuch.结构:It’sunlikely(that)+从句/It’sunlikelyfor+名词+todo解释:表示某事发生概率很低。例句:It’sunlikelythat

fishsurviveinboilingwater.不太可能有鱼在沸水中存活。It’sunlikelyfor

touriststoswiminthisriver.游客不太可能在这条河里游泳。3.It'soneofthemost...

oftherainforest.结构:oneofthe+形容词最高级+复数名词解释:表示“最……的之一”。例句:Thisis

oneofthehottest

riversonEarth.这是地球上最热的河流之一。TheAmazonis

oneofthemostmysterious

places.亚马逊是最神秘的地方之一。4.Thesesecretsawakenourcuriosity...结构:awaken唤起，唤醒

解释:awakenone’scuriosity/interest唤起某人的好奇心/兴趣例句:Hisstoryawakensmycuriosity.他的故事唤起了我的兴趣。一、根据语境及提示词填空

1.Thestrangelightinthesky_________(awake)everyone’scuriosity.2.Her_________(curious)aboutthestarryskymakesherreadmanybooksaboutspace.3.It’s______(like)thatwewillvisitthemuseumtomorrow.awakenedcuriositylikely二、汉译英

1.这个神奇的自然景观唤起了我的好奇心。Thismagicalnaturalbeautyawakenedmycuriosity.2.他很可能知道这个湖泊的奥秘。It’slikelythatheknowsthesecretofthislake.3.你能向我解释为什么树叶会在秋天变色吗？Canyouexplainwhyleavesturnyellowinautumntome?4.这片森林里充满了我们从未见过的植物。Thisforestisfullofplantswehaveneverseenbefore.三、英译汉1.Scientistsbelievethatthisriver'sheatcomesfromunderground.

科学家们认为，这条河的热量来自地下。2.Iwonderifthelocals'storiesabouttheriverare