最新外研版高中英语选修八《Antarctica-the-Last-Continent-》课件.ppt

1、Word PlayImitate me and guess the spelling.Antarctica冷姐带你去探险！冷姐带你去探险！Antarctica:the Last Continent The Land The Antarctica Treaty Plants and animals A great place for researchers1234 What is the climate in Antarctica?90%(70%)98%hold be covered in ice capWith annual rainfall close to zero technically

2、 a desertzero The land(Para 1)in a frozen state Can some animals and plants survive in such kind of climate?If any,what are they?Plants and animals(Para 2)Animals:penguin;flying bird;seal;whalePlants:moss;algae;lichenA great place for researchers(Para 3)What can provide important evidence(证据证据)for r

3、esearchers?evidence supporting sentences_ a window on the past Gases and minerals,(in the form of volcanic dust trapped in the ice),can tell us a lot about what the worlds climate was like in the past ages.这些以火山灰形式封冻进冰层里的气体和矿物质可以告诉我们很多这些以火山灰形式封冻进冰层里的气体和矿物质可以告诉我们很多关于远古时期全球气候的状况。关于远古时期全球气候的状况。南极洲的大多数岩

4、石是深色的，它们在白色冰雪南极洲的大多数岩石是深色的，它们在白色冰雪映衬下格外显眼映衬下格外显眼.Since most Antarctic rocks are dark in color,they stand out against the white background.在在衬托下衬托下 How to protect the environmentin Antarctica or in our daily life?Which of the following is NOT true about the aims of the Antarctic Treaty?A.To make 80%o

5、f the worlds population know it.B.To prevent Antarctica from nuclear tests and radioactive waste.C.To work for progress of international scientific projects.D.To make everyone know Antarctica doesnt belong to any country.The Antarctica Treaty Para(4)建议：建议：1 1）找出每个选项中的）找出每个选项中的关键词关键词。2 2）用关键词去文中用关键词去

6、文中定位定位。3 3）检查选项和文）检查选项和文章表达的内容是否一致。章表达的内容是否一致。4 4）排除法选出答）排除法选出答案。案。Sing a songCloze语法填空语法填空Error correction改错改错Speaking说说AntarcticaSing a songCloze语法填空语法填空Error correction改错改错Speaking说说Antarctica1.Covered about 14 million square kilometers around the South Pole,Antarctica is the fifth largest contin

7、ent in the world.2.It is difficult imagine a more inhospitable place.3.Rest of the plants are made up of mosses,algae and lichen.4.Gases and minerals can tell us a lot about how the worlds climate was like in past ages.CoveringtoThe restThe rest of sthIt is+adj+to do sthwhat Introduce the geographic

8、al feature(地理特征地理特征)in Antarctica:coldest,90%,hold,ice,70%,fresh water,frozen state;98%surface,be covered,in the ice capdriest,withclose to,zeroinhospitable Antarctica is the coldest and driest place in the world.It _(hold)90%of the worlds ice and most of its fresh water is in a _(freeze)state.The w

9、ildlife has _(适应适应)its extreme conditions,and few types of plants can_(survival)there because of the long winter night.Researchers can get a lot of _(use)information from the ice,gases,minerals and rocks there.They can tell us a lot about _the worlds climate like.Rocks in dark color which stand out_

10、(映衬映衬)the white background and are easy to find and collect.The aim of the treaty is _(prevent)the commercial and military use of continent.holdsfrozen adapted tosurviveusefulagainstwhatto prevent Sing a song for us,thank you very much.(o)/1.Write down your opinions about how to prevent the environm

11、ent in Antarctica or our daily life.(必做必做)2.Search for more information about Antarctica.(选做选做)1.It is said that the ice in Antarctica is melting(融融化化)because of globe warming.As a student,what should we do?Write down your opinion.2.Sing a song for us,thank you very much.(o)/Sing a songCloze语法填空语法填空Error correction改错改错Speaking说说AntarcticaSing a songCloze语法填空语法填空Error correction改错改错Speaking说说AntarcticaSing a songCloze语法填空语法填空Error correction改错改错Speaking说说AntarcticaSing a songCloze语法填空语法填空Error correction改错改错Speaking说说Antarctica