Unit4

Astronomy

thescienceofthestarsAstronomy

isthescientificstudyoftheuniverseandtheheavenbodies.AreyouinterestedinAstronomy?Theearthmovesaroundthesun.Ittakestheearthonedaytomovearoundthesun.Theyare9planetsmovingaroundthesun.Theearthistheonlyplanetinthesolarsystemwhichhaslivingcreatures.AquizonastronomyTrueorFalseTFoneyearF8planetsT

eightplanetsVenus金星Jupiter木星Mercury水星Mars火星Saturn土星Earth地球Uranus天王星Neptune海王星Theearthmovesaroundthesun.Ittakestheearthonedaytomovearoundthesun.Theyare9planetsmovingaroundthesun.Theearthistheonlyplanetinthesolarsystemwhichhaslivingcreatures.TrueorFalseTFoneyearF8planetsTAtestonastronomyHowlifebeganinlegends(傳說)?InChineseculture,…Inwesternculture,…Discussion

Panguseparatedtheskyfromtheearth.TheGoddessNuwamendedtheskyandcreatedhumanbeings.Godcreatedtheworldinsevendays.HowLifeBeganontheEarthPara.1Para.2Para.3Para.4Para.5A.Theformation(形成)oftheearth.B.Theimportanceofwaterforlife.C.Awidelyacceptedtheoryabouttheformationoftheuniverse.D.Thearrivalofhumansandtheireffectontheearth.E.Thedevelopmentofplantsandanimalsontheearth.1.Matchthemainideawitheachparagraph.ReadformainideaReadformainidea2.Thepassageismainlywrittenintheorderof___.

A:timeB:spaceReadformainidea3.Howmanypartscanwedividethewholepassageinto?Part1(para1-3)Howdidtheearthform

Part2(para4-para5)HowdidlifedevelopPart.1(para1-para3)Howdidtheearthform?BigBangtheearth:acloudof______asolid________theearth’s_____________________begantoappeardustglobeatmospherewatercarbondioxidenitrogenwatervapourothergases二氧化碳CO2氮?dú)釴2水H2OReadfordetails1.Whatmakestheearthdifferentfromtheotherplanets?2.Howdidthewaterhelplifedevelop?Thecontinuedpresenceofwater.Itallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.Part.1(para1-para3)ReadfordetailscommonsenseABCDEFGHreptileamphibianshellfishmammalinsectsmallplantdinosaurgreenplantcommonsenseABCDEFGHWhatspecies(物種)dotheybelongto?reptileamphibianshellfishmammalinsectsmallplantdinosaurgreenplantPart.2(para4)Howdidlifedevelop?

TrytoputthemincorrectorderABCDEFGHADHBFGECReadfordetailsDescribethepicturebyusingwordsandexpressionsinpara5.Theyareputtingtoomuch____________intotheatmosphere,whichprevent______fromescapingfromthe_____into_____.carbondioxideheatearthspacePart.2(para5)Readfordetailsgreenhouseeffect

1.Whatcanwegetafterlearningthewholepassage?

A:Howdidtheearthcomeintobeing.B:Howdidthewaterhelplifedevelop.C:Howthelifedevelopedontheearth.D:Theproblemscausedbyhumanstotheearth.SummaryInaword,it’smainlyaboutthe__________oftheearthandthe___________ofthelifeontheearth.formationdevelopmentSummary

Accordingtoawidelyacceptedtheory,theuniversebeganwitha“_________”.afterthat,theearthwasstillacloudof_____,whichsettledintoasolid______.Theearthbecameveryviolentandlateritexplodedandproducedmanygases,whichweretomaketheearth’s____________.______hadalsoappearedontheearth.Manymillionsyearslater,___________begantoappearonthesurfaceofthewater,whichencouragethedevelopmentof_______.Slowly_____________grewonland,whichwerefollowedby_______and_____________.Whentheplantsgrewintoforests,_______appeared.Then__________developedbutdisappearedlater,whichmadetheriseofatotallydifferentanimal,andfinally___________spreadallovertheworld.globeBigBangdustatmosphereWatersmallplantsshellfishgreenplantsinsectsamphibiansreptilesdinosaursmammalsSummaryWhat’retheproblems

causedbyhumanstotheearth?1DiscussionglobalwarmingpollutionovercuttingoverfishingHowtoprotecttheearth?Leadalow