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1、Unit8AntarcticaI.Lead-inActivities:•1.DoyouknowAntarctica?Howdidyouknowit?Whatkindofnewsaboutitareyouofteninformedthroughthemedia?•Keywords:continent,southernmost,•expedition:ajourneytakenbyagroupofpeoplewithadefiniteobjective2.HowmuchdoyouknowaboutAntarctic
2、a?•FeaturesofAntarctica:antarctica.map.docWhyAntarcticahasnotbeenconqueredbymansofarandhowourtenureofitis•questionableeventoday.•Reasons:Greatisolationfromotherland;(ll.13-14)•Notinhabitedbyhumans;(ll.18-19)•Hardlyanyplantoranimallife;(ll.20-21)Verylittlerai
3、n;(para.5,ll.25-29)•intensecold;(ll.15-16,ll.30-36)Howlingwind;(para.6)•Nohumanchildeverbornthere(l.21)•Themosttempestuousseasaroundit(l.14,lastpara)II.Details:•1.WhatdosethewriterintendtotellthereaderaboutAntarcticabypresentingastrikingdescriptionofit?Useaf
4、ewwordstodescribeitsmostdistinctiveappearace.Heintendstoenfoldthe“mostspectacularnaturalphenomenon”onearth.Seenfromspace,itisahugeicesheetwhichradiateslightlikeagreatwhitelanternacrossthebottomoftheworld.2.WhydoyouthinkpeopleusedtoregardtheArcticandtheAntarc
5、ticasmuchalike?•Whatisthefactabouttheirsimilaritiesanddifferences?•Sincebotharetheendsoftheearthaxisrespectivelyinthenorthandinthesouth,coveredwithavastandthicklayeroficeandsnow,Bothareextremelycoldallyearround.However,thefactisthattheirdifferences•outweight
6、heirsimilarities.(para.3)•Asurveyoftheirdifferences:•1)geographicalposition:•TheArcticisclosely____(by)the___continentsofEurope,AmericaandAsia;whiletheAntarcticais__,separatedfromthenearestlandbyvast__ofthemost__seasonearth.•(hemmedin/surrounded,populated,is
7、olated,reaches,tempestuous)•2)climate:refertothetextandsummarizetheirclimaticdifference;•3)rainfall(precipitation):(ll.25-29)4)vegetation:theonlyplantsare____ontherockfaces.•(ahandfulofmossesandlichens)•Animals:theonlylandlife___(ll.20-21)•Population:thereis
8、nopermanent___,thoughthereareresearchstationsinAntarctica.3.WhyhasnotnohumanchildeverbeenborninAntarctica?•Thereisalackofthebasicessentialstolife:rainfall,warmthandadegreeofstillness.•Apartfrome
