B3U4 Reading必修三第四单元阅读公开课课件

Unit4Astronomy----thescienceofthestarsHowLifeBeganontheEarthInChineseculture…separatestheskyfromtheearth.PanguskyearthNuwaTheGoddess_____________mendedtheheavenandcreatedhumanbeingInwesterncountries:createdtheworldandalllivingthings.GodAccordingtoBible(圣经),Godcreatedtheworldandthefirstman,Adam(亚当)andthefirstwoman,Eve(夏娃).Godcreatedtheworldinsevendays.ReligiousBeliefsHOWLIFEBEGANONTHEEARTH?Step1:Fastreading-SkimmingReadthepassagequicklyandfindout:1.Whatisthemainideaofthetext?2.Whatistheorderofwritinginthetext?Step1:Fastreading-SkimmingReadthepassagequicklyandfindout:1.Whatisthemainideaofthetext?A.theformationoftheearthB.ThedevelopmentoflifeonearthC.ThedevelopmentoflifeD.Thedifferencebetweentheearthandotherplanets2.Whatistheorderofwritinginthetext?A.thespatialorderB.Thechronologicalorder[krɒnə’lɒdʒɪkl]C.ThelogicalorderD.Theorderofimportance空间顺序时间顺序逻辑顺序事件重要性顺序MainbodyPara1:Para2:Para3:Para4:Para5:Awidelyaccepted________aboutthe_________oftheuniverse.Theformationofthe__________.The___________ofwaterforlife.Thedevelopmentof_______and___________ontheearth.Thearrivalof____________andtheir_______________ontheearth.1.Readthepassagecarefully,concludethemainideaofeachparagraph,andanalyseitsstructure:Part1:TheuniversePart2:LifedevelopmentonTheEarthPart3:HumanbeingsStep2:carefulreading-scanningReadingComprehensionП1.Whoknowshowlifebeganontheearthexactly?A.Scientists.B.Astronomers.C.Noone.D.Aliens[’eɪliən](外星人).2.Whatdoes“smallcleveranimals”referto?A.Insects.B.Reptiles.C.Dinosaurs.D.Humans.3.Theearthwasdifferentfromtheotherplanetsinthat__________.A.acloudofdustwasaroundtheearthB.comfortableclimateremainedontheearthC.waterremainedontheearthD.carbonremainedontheearth4.Theplantsgrewbeforetheanimalsbecausetheyprovide__________.A.nutrientsforanimalstoabsorb(吸收)B.oxygenforanimalstobreatheC.necessarytemperatureforanimalstokeepwarmD.watervapourforanimalsPostreading:I.Reviewthepassage,andfillintheblank;thentrytoexplaintheideaingroupwiththepicturesandwordsgiven.BigBangAcloudof____AtmosphereTheearthAsolid______waterTheglobewas______dustglobeviolentCO2,nitrogen,vaporThecontinuedpresenceof_______Small________inthewater__________andallsortoffishwaterplantsshellfishmultiplyfillencouragedissolvePlanton______Insectand__________DinosaursTheriseofMammalslandReptilesamphibianPlantsgrewintoforestmakepossiblehumanscameintobeingandspreadallovertheworld.HumanbeingsArehumanbeingsveryimportant?Whydidtheauthorsaidtheyarenotlookingaftertheearthwell?Thereasonisthat…Itfromtheearthintospace.preventsheatfromescapingpeopleareputtingcarbondioxideintotheatmospheretheearthmaybecometoo.Theresultisthat…hotglobalwarming---greenhouseeffectItcaused________________________IceintheNorthPole________Waterlevel________.Theresultisthat…risesmeltsTheendofourworld….Whatcanwedotopreventtheearthfrombecomingworse?Eg.Whatwecandoisto…….whatwecandoisthat……….itisobviousthat…….Iadvisethat…solarenergyplanttreesrecyclerubbishpreventdesertificationsavewaterpurifyairWhatcanwedotopreventtheearthfrombecomingworse?1.Whatwecandoistodriveless.Iadvisethateveryoneshouldtakethepublictransportationaspossibleaswecan.2.Whatwecandoistopreventdesertification.Iadvisethatthegovernmentshouldlaydownseriouslawonpunishingtheconductofcuttingtreesrandomlyandunrestrictedly.3.Itisobviousthatwearefacedwiththeproblemofenergyshortage.Whatweshoulddoistotrytodevelopandusesomecleanandrenewableenergy.Whatcanwedotopreventtheearthfrombecomingworse?4.Whatwecandoisthatweshouldcarryourreusableshoppingbagswhiledoshoppinginsteadofdisposablebags.5.Iadviseweshouldprotectthewildendangeredanimalsbyrefusingtobuyanyproductsofthem,whichmayhelptokeepthebalanceofthenature.6.Whatweshoulddoistorecycletherubbishandindustrialchemicalscarefully,whichmayhelptosaveenergy,protecttheearthfrompollutionandpoison.Afterthe“bigbang”,theearthwasstilljustacloudof_______,it_______loudlywithfireandrock,whichwere_______toproducethe_________,watervapourandothergases.Then________begantoappearedontheearth._____________inwaterareconsideredtobetheearliestlivesontheearth.TheO2theysuppliedencouragedthelivesof________________.Slowlygreenplantsgrewonland,whichwerefollowedby__________likeinsects&__________.Whentheplantsgrewinto________,______appeared.Then_______developedbutdisappearedlater,whichmadetheriseofatotallydifferentanimal,_______,possible,andfinally_______spreadallovertheworld.dustexplodedintimecarbonwaterThesmallplantsshell-fishandfishlandanimalsamphibiansforestsreptilesdinosaursmammalhumans