人教新课标高一英语必修3Unit4Warming Up and Reading课件.ppt

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1、ModuleIIIUnit4AstronomyWhat’sthemeaningoftheword“Astronomy”?I.Warmingup行星thescienceofstars;2.Doyouknowthefollowingterms?star,planet,thesun/moon/earth,solarsystem太阳系3.Howmanyplanetsareinthesolarsystem?恒星PlutoScientistsnowthinkPlutoistoosmalltobecalledaplanet

2、.4.Doyouknowthecorrectorderoftheirdistancetothesun?nearesttothesun?farthesttothesun?5.Thenamesofeightplanets.MercuryVenusEarthMarsJupiterSaturnUranusNeptune1)水星2)金星3)地球4)火星5)木星6)土星7)天王星8)海王星Inthisunit,we’lllearnsomethingmorescientific.1.What’sthetitleofthet

3、ext?2.Fromthetitle,wecanpredictthatthetextmaytellustheoriginoflifeontheearth.Doyouknowsomestoriesaboutit?HowlifebeganontheearthPanguseparatestheskyfromtheearth.Nvwamadehumans.PhrasesandUsefulExpressionscirclearound绕…转accordingto…根据awidelyacceptedtheory熟知的理论

4、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;产生11.prevent…from阻止…做…12.millionsofyearstocome未来的几百万年1.Whendidthe“BigBang”happen?Readthepassagequicklyandanswerthequestions.2.Whatformwa

5、stheearthafterthe“BigBang”?3.Whatmadeuptheearth’satmosphereaftertheearthexploded?4.Howdidwatercomeintobeingontheearth?5.What’sthesignificanceofthepresenceofwaterontheearth?6.Whatwasimportanttothedevelopmentoffish?7.Whatmadepossibletheriseofmammalsontheearth

6、?8.Whyaremammalsdifferentfromalllifeformsinthepast?1.Whendidthe“BigBang”happen?Ithappenedseveralbillionyearsago.ScanningReadthepassagequicklyandanswerthequestions.2.Whatformwastheearthafterthe“BigBang”?Theearthwasstilljustacloudofdust.3.Whatmadeuptheearth’s

7、atmosphereaftertheearthexploded?Carbon,nitrogen,watervapourandothergases.4.Howdidwatercomeintobeingontheearth?Astheearthcooleddownafteritexploded,watercameintobeing.5.What’sthesignificanceofthepresenceofwaterontheearth?Itallowedtheearthtodissolveharmfulgase

8、sandacidsintotheoceansandseas.6.Whatwasimportanttothedevelopmentoffish?oxygen.7.Whatmadepossibletheriseofmammalsontheearth?Thedisappearanceofdinosaursmadethepossibletheriseofmammalsontheearth.8.Whyarem