Unit5StartingoutUnderstandingideas课件-外研版英语八年级下册

Unit5Lookingintonature

Startingout&Understandingideas

(文本解读)册次：八年级下册学科：英语（外研社版）Whatcanyouseeinthepicture?Amanisholdingaflashlightinadesertatnight.Icanalsoseecountlessstarsinthesky.Whatdoyouthinkthemanisdoing?Maybeheiswatchingthestars.Whatdoesthepicturemakeyoufeel?A/B/C层Lookandsay.Whatare

you

going

to

learn

in

this

unit?discoveriesinnatureunsolvedsecretsofnaturespiritofnatureexplorationA/B/C层Lookatthepicturesandanswerthequestions.1.Whatdoyouknowaboutthesepeople?LiShizhenwasafamousdoctorintheMingDynasty.HewroteBencaoGangmu,aclassicbookabouttraditionalChinesemedicine.CharlesDarwinwasafamousBritishbiologist.Hecameupwiththetheoryofevolutionandexplainedhowlifechangesthroughouthistory.WangZhenyiwasawell-knownfemalescientistintheQingDynasty.Shestudiedmathsandastronomy,andshemadeimportantcontributions.A层Lookatthepicturesandanswerthequestions.2.Whatdotheyhaveincommon?Theyallstudiednature.Theytaughtotherpeopleaboutnature,too.A层B/C层cameupwiththetheoryofevolutionmadecontributionsinmathsandastronomyLookatthepicturesandmatch.afamousBritishbiologistafamousdoctorintheMingDynastyawell-knownfemalescientistintheQingDynastywroteBencaoGangmuWhatdotheyhaveincommon?Theyallstudiednature.Theytaughtotherpeopleaboutnature,too.Thinkandanswer.B/C层Watchthevideoandfillintheform.A/B层Whatsecretsofnaturearementionedinthevideo?oceanspacehumanbeingsWhatlivesinthedeepestparts

oftheocean?Istherelifeamongthestars?Whydowesleep?oceanspacehumanbeingsWatchthevideoandcomplete.Whatsecretsofnaturearementionedinthevideo?Whatlivesinthe________parts

oftheocean?Isthere_____amongthestars?Whydowe_______?C层deepestlifesleepA/B/C层Answerthequestions.oceanspacehumanbeings...A/B/C层Lookandsay.1.Whatisthis?Apieceofamber.2.Isamberaboutthingsinthepastorthingsinthefuture?Itisaboutthingsinthepast.Itcantellushowthingshavechangedovertime.Whatisthepassageabout?Lookandguess.A层Whatisthepassageabout?Skimandcheck.Thepassageisabouthowamberhelpsscientistsunlockthesecretsofnature.Itservesasawindowonthepastandleadstoimportantdiscoveries.Italsoshowshowlifehaschangedovertime,offeringakeytounderstandingthehistoryofspecies.A层Whatisthepassageabout?Lookandguess.A.Howamberhelpsscientistsunlockthesecretsofnature.B.Howtomakeamberanduseitindailylife.C.Howambercameintobeing.B/C层Whatisthepassageabout?A.Howamberhelpsscientistsunlockthesecretsofnature.B.Howtomakeamberanduseitindailylife.C.Howambercameintobeing.Skimandcheck.√B/C层Scanandanswer.Howmanysecretsarementionedinthepassage?Whatarethey?Three.A/B/C层ThesecretaboutthedinosaurThesecretabouttheflowerThesecretabouttheantsReadParagraphs1–4andfillintheform.AboutthedinosaurAbouttheflowerAbouttheantsWhat’sintheamber?Wherewasitfound?Whatdidscientistsfindthroughit?Whatsecretsdoesittell?A层Adinosaurtailwithfeathers.InSoutheastAsia.Dinosaurshadfeathers.Whatdinosaurslookedlike.Aflower.InNorthernEurope.Theflowergrewthere35millionyearsago.Lifeonearthhasalwayschanged.13ants.InAfrica.Theantsareacompletelynewspecies.Antsdidnotonlycomefromthenorthernhalfoftheearth;theyalsolivedinAfrica.Therearemanyunknownspeciesforustodiscover.AboutthedinosaurWhat’sintheamber?Wherewasitfound?Whatdidscientistsfindthroughit?Whatsecretsdoesittell?B/C层Adinosaurtailwithfeathers.InSoutheastAsia.Dinosaurshadfeathers.Whatdinosaurslookedlike.ReadParagraphs1–4andfillintheform.AbouttheflowerWhat’sintheamber?Wherewasitfound?Whatdidscientistsfindthroughit?Whatsecretsdoesittell?Aflower.InNorthernEurope.Theflowergrewthere35millionyearsago.Lifeonearthhasalwayschanged.B/C层ReadParagraphs1–4andfillintheform.AbouttheantsWhat’sintheamber?Wherewasitfound?Whatdidscientistsfindthroughit?Whatsecretsdoesittell?13ants.InAfrica.Theantsareacompletelynewspecies.Antsdidnotonlycomefromthenorthernhalfoftheearth;theyalsolivedinAfrica.Therearemanyunknownspeciesforustodiscover.B/C层ReadParagraphs1–4andfillintheform.ReadParagraph5andanswer.Whatdoesthewritercompareamberto?

Awindowonthepastandakeytounlockmoresecretsofnature.Ambershowsuswhatdinosaurslookedlike.lifeonearthhasalwayschanged.awindowonthepastakeytounlockmoresecretsofnaturetherearemanyunknownspeciesforustodiscover.A/B/C层√Choosewhereyouaremostlikelytoreadthispassage.A层Optiona.Inapopularsciencemagazine,wecanreadaboutrealscientificdiscoveriesinnature.Thispassagetalksaboutamberandwhatscientistshavediscovered,soitisagoodmatch.Optionb.Anewspaperreportisusuallyabout

events,forexampleanexhibition.Butthispassageisnotaboutanevent.Itisabout

scientificfacts,sothisisnotcorrect.Optionc.Asci-fibooktells

imaginary(想象的)stories,liketravellingintothepast.Butthispassageisnotastory.Itgivesrealfacts,sothisisalsonotcorrect.Whydoyouchoosethisoption?√Choosewhereyouaremostlikelytoreadthispassage.B/C层Completethediagramwiththewordsandexpressionsfromthepassage.1.secrets2.Thanksto3.(always)changed4.35million/thirty-fivemillion5.unknown6.ant7.window8.natureA/B层Completethediagramwiththewordsandexpressionsfromthepassage.1.secrets2.ThankstoC层Completethediagramwiththewordsandexpressionsfromthepassage.1.secrets2.Thanksto3.(always)changed4.35million/thirty-fivemillionC层Completethediagramwiththewordsandexpressionsfromthepassage.1.secrets2.Thanksto3.(always)changed4.35million/thirty-fivemillion5.unknown6.ant7.window8.natureC层Retell

the

passage.aboutthedinosaurabouttheflowerabouttheantsA层awindowonthepastakeytounlockmoresecretsofnatureRetell

the

passage.1.secrets2.Thanksto3.(