高二英语antarctica-the-last-continent课件.ppt

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1、山东邹城市第一中学万祖良Antarctica:thelastcontinentFast-readingLookthroughthewholepassageandfindoutthemainideaofeachpara:Para1Para2Para3Para4Para5PlantsandanimalsThediscoveryofAntarcticaBriefintroductionofAntarcticaTheAntarcticTreatyAgreatplaceforresearchersCareful-readingformoreinformationP

2、ara.1BriefintroductionofAntarcticaName:__________Location:aroundthe__________Area:________squarekilometers;the5th_______continentintheworldClimate:coldestand______onEarthNumbers:90%of_____________,70%in____________,98%iscoveredin_________AntarcticaSouthPole14millionlargestdriestth

3、eworld’siceafrozenstatetheicecapTherearedifferenttypesofpenguins,flyingbirds,sealsandwhales.Para2animals&plantspenguinssealswhaleFewplantssurvivethereexceptmosses,algaeandlichen.经植物学家考察发现,南极洲有850多种植物，且多数为低等植物，只有3种开花植物属于高等植物。在低等植物中，地衣有350多种，苔藓370多种，藻类130多种。Para3Agreatplaceforresear

4、chers1.WhyisAntarcticaagreatplaceforresearchers?2.Howcantheyhelptheresearchers?(1)Gases&mineralscantell___________________(2)Antarcticrocksmaycontain______________________________Ithasbecomeawindowonthepast,andcangiveresearcherslotsofusefulinformationtheclimateinthepastevidenceofe

5、xtra-terrestriallifeChineseAntarcticascientificexplorersonAntarcticaAntarcticrocksareveryalsoveryimportantforresearch.Mostofthemaremeteoritesfromouterspace.Para4HowwasAntarcticadiscovered?Antarcticawasthelastcontinent____________.Morethan2thousandsyearsago,______________believedth

6、erewasalargelandexistinginthesouth.However,itwasnotuntil______________thata______explorercrossedthe_______circle.In1895,a_________becomethe1stmanto_________Antarcticaanditwasfinally_______on11thDecember1911.tobediscoveredGreekgeographersthelate18thcenturyBritishAntarcticNorwegians

7、etfootonreachedPara5Whywasatreaty(条约)made?TimeCountries_________countries,including_______,________and_________.topreventthe____________and________useAims①tokeepitfreefrom____________and_______________②promoteinternational______________③end__________aboutwhoownsthelandResultItbeca

8、methemost…worktogetherfor……In1961