高一英语选择性必修Unit5Revealingnature(2)-UsinglanguageListening课件

选择性必修一Unit5Revealingnature(2)UsinglanguageListeningLearningobjectives1.Getthemainideaofthepassageandlistexpressionsrelatedtobiodiversitybyreading.2.Getthemainideaofthelisteningmaterialandwritedownusefulexpressionsrelatedtothetopicofcellsandbacteria.3.Actouttheconversationaboutcellsandbacteria.4.Makeanewconversationaboutbiodiversity.Whatisbiodiversityinyourmind?ReadingforinformationThemainideaofthepassage:Itintroducesthelargestanimalspecies:thebluewhaleandthetoughestspecies—thewaterbearandtheircharacteristics.1.Whatspeciesarementionedandwhatisspecialaboutthem?2.Whatotherunusuallifeformsdoyouknowof?Readingforinformation1.Whatspeciesarementionedandwhatisspecialaboutthem?Earthishometomillionsofdifferentspecies.Somecanbeverysmall,likebacteriaandviruses,whicharesosmallthatwecannotseethemwithonlyoureyes.Bycontrast,thelargestanimalspeciessofarfoundonourplanetisthebluewhale,whichcangrowuptoalmost30metresinlengthandweighover130,000kilos.Readingforinformation1.Whatspeciesarementionedandwhatisspecialaboutthem?Thetoughestspeciesisprobablythewaterbear.Thistinyorganismcansurvivetemperaturesfrom150℃toabelowfreezing-272℃.Tobestsurviveintheirenvironment,eachspecieshasdevelopeditsownuniquephysicalcharacteristics.Readingforinformation1.Whatspeciesarementionedandwhatisspecialaboutthem?Twospeciesarementioned:Thebluewhaleandthewaterbear.Thebluewhaleisthelargestanimalspeciesonearth,whichcangrowuptoalmost30metresinlengthandweighover130,000kilos.Thewaterbearisthetoughestspecies,whichcansurviveinextremetemperature.Readingforinformation2.Whatotherunusuallifeformsdoyouknowof?Vipers,elephantsandpandasareveryunusual.Youcanhaveyourownanswers.ReadingforinformationAmapoftheGalapagosIslandsTortoises,mangrovesandiguanasarementioned.Findoutthespeciesmentioned.ancestorscientificbenativetoprimitivehabitatappearancebehometoecosystemCompletetheparagraphs.TheGalapagosIslandsarerenownedworldwidefortheiruniquebiodiversity.TheGiantTortoiseReserveonSantaCruzseveralspeciesofgianttortoisethattheGalapagosIslands.TheislandisalsohometotheCharlesDarwinResearchStation,wherestudiesarecarriedout.ishometoarenativetoscientificCompletetheparagraphs.MangrovesareoneofthecoastalplantsthatgrowonIsabela.Theyserveastheforvariousbirdsandfish,andareveryimportanttothe.habitatsecosystemCompletetheparagraphs.IguanascanbefoundonSanCristobal.Theyhaveaveryspecial,withcomb-likespinesontheirback.Thereisevidencethatallthedifferentiguanashavedevelopedfrommoreonesandshareacommon.appearanceprimitiveancestorCompletetheparagraphs.1.Theexistenceofalargenumberofdifferentkindsofanimalsandplantswhichmakeabalancedenvironment.2.Thesimplestandsmallestformsoflife.3.Oganics.biodiversityorganicmattersbacteriaUsefulWords4.Thesysteminyourbodythatproducessubstancestohelpitfightagainstinfectionanddisease.5.Alltheplantsandlivingcreaturesinaparticularareaconsideredinrelationtotheirphysicalenvironment.6.Thesmallestunitoflivingmatterthatcanexistonitsown.cellimmunesystemecosystemUsefulWordsWhenyoulistentothepodcast,itisimportanttofindoutthepurposeofit.Beforelistening,thinkaboutwhattopicsmightbediscussed.Themainideaofthepassageis:somethingaboutcellsandbacteria.Listeningformainidea1.Biodiversityisimportant.2.Bacteriaarealwaysharmfultohumans.3.Somespeciesofbacteriaareusedinfoodproduction.4.Manyspeciesofbacteriarecycledeadorganicmatter.5.Ourimmunesystemsareabletofightoffallgerms.Listenandchoosethestatementsthataremade.Duringthepodcast,listencarefullytoeachquestionandtrytounderstandthemainideaswithintheresponses.Learningtolearn1.Biodiversityisimportant.2.Bacteriaarealwaysharmfultohumans.3.Somespeciesofbacteriaareusedinfoodproduction.4.Manyspeciesofbacteriarecycledeadorganicmatter.5.Ourimmunesystemsareabletofightoffallgerms.NFNTTListenandchoosethestatementsthataremade.Asyoulisten,makenotesofkeyinformationsuchaskeywords,numbersandfacts.Thiswillhelpyouunderstandandremembertheinformationyouhear.LearningtolearnEverylivingthingis1.Theyarelike2.Inthehumanbodythereareabout3humancellsandaround4bacteriacells.Mostbacteriainthehumanbodycan5.Inthefoodproductionprocess,bacteriacan6deadorganicmatter.ListeningfordetailedinformationEverylivingthingis.Theyarelike.Inthehumanbodythereareabouthumancellsandaroundbacteriacells.Mostbacteriainthehumanbodycan.Inthefoodproductionprocess,bacteriacandeadorganicmatter.madeupofcellsbricksthatareusedtobuildhousesbreakdownthirtytrillionhelpdigestionthirty-ninetrillionListeningfordetailedinformationDoyouknowabout...?Haveyouheardof...?Bytheway,…Infact,...Actually,....Speakingofwhich,...TheusefulexpressionsCheckingbackgroundknowledgeDoyouknowabout...?Haveyouheardof...?AddinginformationBytheway,…Actually,....Infact,....Speakingofwhich,...TheusefulexpressionsStudent’sworkSpeakingCriteriaStudent’sworkMethodssurveymethodexperimentalmethodobservationmethodassesstoinformationmethod......Summary1.Getthemainideaofthepassageandlistexpressionsrelatedtobiodiversitybyreading.2.Getthemainideaofthelisteningmaterialandwritedownusefulexpressionsrelatedtothetopicofcellsandbacteria.3.Actouttheconversationaboutcellsandbacteria.4.Makeanewconversationaboutbiodiversity.Option1Workinpairstodiscusswhatyouknowaboutcellsandbacteria.Option2WorkinpairstotalkaboutbiodiversityindifferentregionsofChina,usingthewordsandexpressionsinthissection.Homework