英语小故事《地球的自我介绍》.ppt

IntroducingPlanetEarthPresentedByName

Letmeintroducemyself.IamPlanetEarth.Iamtheluckiestplanetinoursolarsystem(太阳系).Icansupportlife!

LookatMercurysoclosetotheSun.Hot,hot,hot.Evenoneofmydesertratscouldnotliveinthatheat!ColddwarfplanetPluto(冥王星)sitssofarfromtheSun.Brrrr.HowwouldyouliketobeafrozenPopsiclePlanet?Notme.

Ihaveallthethingslifeneeds—land,water,air,andenergyfromtheSun.

Ihavefouroceansandsevenhugepiecesoflandcalledcontinents(大陆).Onland,Ievenhavelakesandriversfilledwithfreshwaterthatplantsandanimalsneed.

Ispinlikeatop(陀螺)sothatalllivingthingshavedayandnight.Peoplecallthisrotating(自转).

Thismakespartsofmehotandpartsofcold.BecauseIamroundlikeaball,sunlighthitsmeunevenly(不均匀地).

Thisareaiscalledtheequator(赤道).Myfatbellygetsthemostdirectsunlight,soitishottestalongmybelt.

MyNorthandSouthPolesgettheleastdirectsunlight.TheSun’sraysareweakerherethanatmyequator.Theseareasaremycoldest.

Whetherit’shot,cold,orinbetween,creatureslivealloverme.

Peopleliveonallmycontinents(大陆);afewevenlivearoundtheSouthPoleinAntarctica(南极洲).”

Mostpeopleliveinmymilder(更温暖的)partswheretheycanbuildhomesandgrowcrops.

Peopletravelallovermyplanet.Longago,peoplegotlostwhensailingacrossmyoceans.Theyneededawaytoidentifylocations(确定方位).1Sotheyinventedaglobalgrid(网格),orlinesthatcrosseachothertoformpointsanywhereonEarth.2

Thelinesthatrunnorthandsoutharelongitudelines(经线).Thelinesrunningeastandwestarelatitudelines(纬线).Thisgrid(网格)tellspeoplewheretheyare.

Oh,Ialmostforgot.Iamtilted(倾斜),too.AsItravelaroundtheSunduringmyyearlongtrip,Istayinmytilt.SometimesItilt(倾斜)towardtheSun,andsome-timesawayfromit.

Mytiltcreatesseasons.InJanuary,mytophalf,ornorthernhalf,istiltedawayfromt