人教高中英語必修3Unit4-Warming-up-and-reading優(yōu)秀課件

Unit4

Astronomy:the

scienceofthestarsWhatinterestsyouinastronomy?Doyouknowanyquestionsthatastronomersareinterestedin?

WarmingupHowtheuniversebegan?Howlifebegan?Istherelifeonotherplanets?Arethereotherlifeformsintheuniverse?…

Doyouknowhowmanyplanetscirclearoundthesuninoursolarsystem?Whatarethey?Canyoumatchthenameswiththeplanets?Pre-readingEightplanetsMercury(水星）Venus（金星）Mars（火星）Jupiter(木星)Uranus(天王星）Neptune(海王星）Saturn(土星)Reading1.Eachreligionandculturehasitsownideasabouthowlifebeganonearth.Discussthepicturesinpairsandmatchthem.A．InChina,weallknowthatPanguseparatestheskyfromtheearth.B．TheGoddessNüwamendedtheheavenandcreatedhumanbeings.C．Inwesternculture,Godcreatedtheworldinsixdays.D．Nowadaysitiswidelyacceptedthatuniversebeganwitha“BigBang”．BCADHowdidtheuniversecomeintobeing?Theuniversebeganwith______________a‘BigBang’

thatthrewmatterinalldirectionsParagraph1Paragraph2Paragraph3Paragraph4Paragraph5

A．Howhumansappearedandwhateffectstheyhavecausedtotheearth.B．Waterisveryimportantforlifeontheearth.C．Howtheearthformed.D．Howtheplantsandanimalsontheearthdeveloped.E．Itiswidelyacceptedthattheuniversebeganwitha“Big

Skimthepassageandmatchthemainideawitheachparagraph.

Puttheorderofdevelopmentoflifeintoatime-line.A.Insectsandamphibiansappeared.B.Dinosaursappeared.C.Theearthbecameasolidball.D.Smallplantsgrewonthewater.E.Reptilesappeared.F.Plantsbegantogrowonland.G.Theearthwasacloudofdust.H.Waterappearedontheearth.I.Shellfishandotherfishappeared.J.Theuniversebeganwitha“BigBang”．K.Cleveranimalswithhandsandfeetappeared.L.Mammalsappeared.JGCHDIFAEBLKReadthepassageandthenchoosethebestanswersaccordingtothepassage.1．Whatbegantoappearontheearth'ssurfacewhenitcooleddown?A．Water.

B．Gases.C．Acids. D．Carbon.2．Fromthelastparagraphwecaninferthattheauthoris________.A．confident B．sadC．concerned D．a(chǎn)ngryCarefulreading3.Whatdoestheword“they”refertointhesentences“Itexplodedloudlywithfireandrock.Theywereintimetoproducecarbon,nitrogen,watervapourand...”？A.PlanetsB.StarsC.GasesD.Fireandrock.4．Whichistherightorderofthedevelopmentoflife?A．Smallcleveranimals→shellfish→dinosaurs→mammals.B．Shellfish→dinosaurs→smallcleveranimals→mammals.C．Shellfish→dinosaurs→mammals→smallcleveranimals.D．Dinosaurs→shellfish→mammals→smallcleveranimals.5．Whyweremammalsdifferentfromotherlifeforms?A．Becausetheygavebirthtoyoungbabyanimalsandproducedmilktofeedthem.B．Becausetheyproducedyounggenerallybylayingeggs.C．Becausetheywereabletoliveonlandaswellasinthewater.D．Becausetheyliveongrass.Discussion1.

Whywastheearthdifferentfromtheotherplanets?Becausewaterremainedontheearth.2.

Whydidtheplantsgrowbeforetheanimalscame?

Becauseplantsprovidedoxygenforanimalstobreathe.3.

Whyisitwrongtoshowfilmswithdinosaursandpeopletogether?Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.4.

Thereusedtobenineplanetsinthesolarsystem.

Recentlyscientistshavedecidedthatoneofthemcannolongerbeconsideredaplanet.

Doyouknowthenameofthatplanet?

Doyouknowwhytheyremovedit?ThenameisPluto.Scientistsnowthinkitistoosmalltobecalledaplanet.5.

Whatproblemiscausedbyhumanbeings?

Humanbeingscauseglobalwarming.

1.

Smallplantsinwater2._______andallsortsoffish3.Green____onland4.

____(onland)5.

Amphibians(onlandandin

____)6.

Plantsgrewinto

_______.8.

__________

(onland)9.

__________(onland)Talkaboutthe

developmentoflife7.

_____(onland)10.____________(smallcleveranimalsonland)ShellfishInsectswaterplantsforestsReptilesDinosaursMammalsHumanbeingsHomework1.SearchtheInternetforinformationofthedevelopmentoflifeandfindmoresolutionstoglobalwarming.2.Finishtheexercisesonpage28.1.美育包括美術(shù)教育和審美教育,文化是美育的底色和靈魂,不能忽視文化精神的培養(yǎng)。

2.欣賞中國繪畫,應(yīng)該了解其中計白當(dāng)黑、濃淡生趣、意境天成等藝術(shù)手法和精神追求。

3.美育在中國近代歷史上是一個很重要的概念,一直承載了愛國救亡、除弊振新的重任。

4.當(dāng)下美育應(yīng)重傳統(tǒng)輕西方,融匯西方與民族、古典與現(xiàn)代的文化,形成好的審美教育體系。5.要推動人工智能規(guī)模化應(yīng)用,就必須推動人工智能與各行業(yè)融合創(chuàng)新,在制造、農(nóng)業(yè)、物流、金融等重點行業(yè)和領(lǐng)域開展人工智能應(yīng)用。6.美國各執(zhí)行機構(gòu)每年