人教版高中英语必修三第四单元课件

ModuleIIIUnit4

Astronomy玉树二高2014级高一十四班

-ModuleIIIUnit4

Astronomy玉树二1I.WarmingupWhat's

the

meaning

oftheword“Astronomy”?

2.Doyouknowthefollowingterms?

star（）

planet（）

thesun/moon/earth（）

solarsystem（）3.Howmanyplanetsareinthesolarsystem?

-I.WarmingupWhat'sthemeanin2I.WarmingupWhat's

the

meaning

oftheword“Astronomy”?

thescienceofstars;2.Doyouknowthefollowingterms?

star（恒星）

planet（行星）

thesun/moon/earth（

太阳、月亮、地球）

solarsystem（太阳系）3.Howmanyplanetsarethereinthesolarsystem?

8-I.WarmingupWhat'sthemeanin3Scientists

nowthink

Pluto

istoosmalltobecalledaplanet-ScientistsnowthinkPlutois4Thenamesofeightplanets1)

水星

Mercury2)

金星

Venus3)

地球

Earth4)

火星

Mars5)

木星

Jupiter6)

土星

Saturn7)

天王星

Uranus8)

海王星

Neptune-Thenamesofeightplanets1)5海王星Neptune水星Mercury金星Venus地球Earth火星Mars木星Jupiter土星Saturn天王星Uranus-海王星水星金星地球火星木星土星天王星-6Inthisunit,we’lllearnsomethingmorescientific

1.What’sthetitleofthetext?howlifebeganontheearth2.Fromthetitle,wecanpredictthatthetextmaytellustheoriginoflifeontheearth.

Doyouknowsomestoriesaboutit?-Inthisunit,we’lllearnsome7Panguseparatestheskyfromtheearth-Panguseparatestheskyfromt8

Nvwamadehumans-Nvwamadehumans-9Readthepassagequicklyandanswerthequestions

1.Whendidthe“BigBang”happen?2.Whatformwastheearthafterthe“BigBang”?3.Whatmadeuptheearth’satmosphere？4.Howdidwatercomeintobeingontheearth?5.What’sthesignificanceofthepresenceofwaterontheearth?6.Whatwasimportanttothedevelopmentoffish?7.Whatmadepossibletheriseofmammalsontheearth?

8.Whyaremammalsdifferentfromalllifeformsin

thepast?-Readthepassagequicklyanda10

PhrasesandUsefulExpressionscirclearound

绕…转accordingto…

根据awidelyacceptedtheory

熟知的理论inalldirections

向着四面八方intime

及时；终于cooldown

冷却befundamentalto…

对…关键achainaction

连锁反应…makeitpossiblefor…todo…

使…可能givebirthto…

生育11.prevent…from

阻止…做…12.millionsofyearstocome

未来的几百万年-PhrasesandUsefulExpress111.Whendidthe“BigBang”happen?

Ithappenedseveralbillionyearsago.ScanningReadthepassagequicklyandanswerthequestions-1.Whendidthe“BigBang”hap122.Whatformwastheearthafterthe“BigBang”?

Theearthwasstilljustacloudofdust.3.Whatmadeuptheearth’satmosphereaftertheearthexploded?

Carbon,nitrogen,watervapourandothergases.-2.Whatformwastheearthaft134.Howdidwatercomeintobeingontheearth?

Astheearthcooleddown

afteritexploded,watercameintobeing.-4.Howdidwatercomeintobei145.What’sthesignificanceofthepresenceofwaterontheearth?

Itallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.-5.What’sthesignificanceof156.Whatwasimportanttothedevelopmentoffish?

oxygen.7.Whatmadepossibletheriseofmammalsontheearth?

Thedisappearanceofdinosaursmadethepossibletheriseofmammalsontheearth.-6.Whatwasimportanttothed168.Whyaremammalsdifferentfromalllifeformsinthepast?

Theygavebirthtoyoungbabyanimalsand

producedmilktofeedthem.-8.Whyaremammalsdifferentf17ClosereadingI.Readthepassagecarefullyandmatchthemainideawitheachparagraph.-ClosereadingI.Readthepassa18Para.1A.Theformation(形成)oftheearth.

Para.2B.Theimportanceofwaterforlife.

Para.3C.Awidelyacceptedtheoryabout

theformationoftheuniverse.Para.4D.Thearrivalofhumansandtheirimpactontheearth.Para.5E.Thedevelopmentofplantsandanimalsontheearth.-Para.1A.Theformati19

True(T)orFalse(F).1.TheearthappearedbeforetheBigBanghappened.2.Theoriginalatmosphereconsistedofnitrogenandoxygen.3.Themaindifferencebetweentheearthandotherplanetsisthatthereiswaterontheearth.4.Lifebeganinwaterandthenonland.FFTT-True(T)orFalse(F)20SummaryWhatdowelearntoday?-SummaryWhatdowele21SummaryHowlifebeganontheearth.-SummaryHowlifebega22Puttheorderofdevelopmentoflifeintoatimeline.Usethereadingpassagetohelpyou.1.Insectsandamphibiansappeared.(10)2.Dinosaursappeared.()3.Theearthbecameasolidball.()4.Smallplantsgrewonthewater.(8)5.Reptilesappeared.()6.Plantsbegantogrowondryland.()-Puttheorderofdevelopmento237.Theearthwasacloudofdust.()8.Waterappearedontheearth.(1)9.Shellfishandotherfishappeared.()10.Theuniversebeganwitha"BigBang".()11.Cleveranimalswithhandsandfeetappeared.(12)12.Mammalsappeared.()--24discussingWhatshouldwedoforourearth?-discussingWhatshoul25Youcanusethefollowingwordsorphrasestohelpyou:

prevent…from…/harmful

globalwarming/carbondioxide/dependon

asaresult/inturn……-Youcanusethefollowingword26Homework1.Findthedifficultiesinthepassage.2.Finish"LearningaboutLanguage"partonPage28.-Homework1.Findthed27EndThankyou-EndThank-28ModuleIIIUnit4

Astronomy玉树二高2014级高一十四班

-ModuleIIIUnit4

Astronomy玉树二29I.WarmingupWhat's

the

meaning

oftheword“Astronomy”?

2.Doyouknowthefollowingterms?

star（）

planet（）

thesun/moon/earth（）

solarsystem（）3.Howmanyplanetsareinthesolarsystem?

-I.WarmingupWhat'sthemeanin30I.WarmingupWhat's

the

meaning

oftheword“Astronomy”?

thescienceofstars;2.Doyouknowthefollowingterms?

star（恒星）

planet（行星）

thesun/moon/earth（

太阳、月亮、地球）

solarsystem（太阳系）3.Howmanyplanetsarethereinthesolarsystem?

8-I.WarmingupWhat'sthemeanin31Scientists

nowthink

Pluto

istoosmalltobecalledaplanet-ScientistsnowthinkPlutois32Thenamesofeightplanets1)

水星

Mercury2)

金星

Venus3)

地球

Earth4)

火星

Mars5)

木星

Jupiter6)

土星

Saturn7)

天王星

Uranus8)

海王星

Neptune-Thenamesofeightplanets1)33海王星Neptune水星Mercury金星Venus地球Earth火星Mars木星Jupiter土星Saturn天王星Uranus-海王星水星金星地球火星木星土星天王星-34Inthisunit,we’lllearnsomethingmorescientific

1.What’sthetitleofthetext?howlifebeganontheearth2.Fromthetitle,wecanpredictthatthetextmaytellustheoriginoflifeontheearth.

Doyouknowsomestoriesaboutit?-Inthisunit,we’lllearnsome35Panguseparatestheskyfromtheearth-Panguseparatestheskyfromt36

Nvwamadehumans-Nvwamadehumans-37Readthepassagequicklyandanswerthequestions

1.Whendidthe“BigBang”happen?2.Whatformwastheearthafterthe“BigBang”?3.Whatmadeuptheearth’satmosphere？4.Howdidwatercomeintobeingontheearth?5.What’sthesignificanceofthepresenceofwaterontheearth?6.Whatwasimportanttothedevelopmentoffish?7.Whatmadepossibletheriseofmammalsontheearth?

8.Whyaremammalsdifferentfromalllifeformsin

thepast?-Readthepassagequicklyanda38

PhrasesandUsefulExpressionscirclearound

绕…转accordingto…

根据awidelyacceptedtheory

熟知的理论inalldirections

向着四面八方intime

及时；终于cooldown

冷却befundamentalto…

对…关键achainaction

连锁反应…makeitpossiblefor…todo…

使…可能givebirthto…

生育11.prevent…from

阻止…做…12.millionsofyearstocome

未来的几百万年-PhrasesandUsefulExpress391.Whendidthe“BigBang”happen?

Ithappenedseveralbillionyearsago.ScanningReadthepassagequicklyandanswerthequestions-1.Whendidthe“BigBang”hap402.Whatformwastheearthafterthe“BigBang”?

Theearthwasstilljustacloudofdust.3.Whatmadeuptheearth’satmosphereaftertheearthexploded?

Carbon,nitrogen,watervapourandothergases.-2.Whatformwastheearthaft414.Howdidwatercomeintobeingontheearth?

Astheearthcooleddown

afteritexploded,watercameintobeing.-4.Howdidwatercomeintobei425.What’sthesignificanceofthepresenceofwaterontheearth?

Itallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.-5.What’sthesignificanceof436.Whatwasimportanttothedevelopmentoffish?

oxygen.7.Whatmadepossibletheriseofmammalsontheearth?

Thedisappearanceofdinosaursmadethepossibletheriseofmammalsontheearth.-6.Whatwasimportanttothed448.Whyaremammalsdifferentfromalllifeformsinthepast?

Theygavebirthtoyoungbabyanimalsand

producedmilktofeedthem.-8.Whyaremammalsdifferentf45ClosereadingI.Readthepassagecarefullyandmatchthemainideawitheachparagraph.-ClosereadingI.Readthepassa46Para.1A.Theformation(形成)oftheearth.

Para.2B.Theimportanceofwaterforlife.

Para.3C.Awidelyacceptedtheoryabout

theformationoftheuniverse.Para.4D.Thearrivalofhumansandtheirimpactontheearth.Para.5E.Thedevelopmentofplantsandanimalsontheearth.-Para.1A.Theformati47

True(T)orFalse(F).1.TheearthappearedbeforetheBigBanghappened.2.Theoriginalatmosphereconsistedofnitrogenandoxygen.3.Themaindifferencebetweentheearthandotherplanetsisthatthereiswaterontheearth.4.Lifebeganinwaterandthenonland.FFTT-True(T)orFalse(F)48SummaryWhatdowel