antarctica-the-last-continentPPT优秀课件

1、1Fast-reading2 Look through the whole passage and find out the main idea of each para:Para 1Para2Para3Para4Para 5Plants and animalsThe discovery of AntarcticaBrief introduction of AntarcticaThe Antarctic TreatyA great place for researchers3Careful-reading for more information4Para.1 Brief introducti

2、on of AntarcticaName: _Location: around the _ Area: _ square kilometers; the 5th_ continent in the worldClimate: coldest and_ on EarthNumbers: 90% of_,70% in_,98% is covered in_ AntarcticaAntarcticaSouth PoleSouth Pole14 million14 millionlargestlargestdriestdriestthe worlds icethe worlds icea frozen

3、 statea frozen statethe ice capthe ice cap5There are different types of penguins,flying birds, seals and whales.Para 2 animals & plantspenguinsseals whale6Few plants survive there except mosses, algae and lichen. 经植物学家考察经植物学家考察发现发现, ,南极洲有南极洲有850850多种植物，多种植物，且多数为且多数为低等植低等植物物，只有，只有3 3种种开开花植物花植物属于高等属于高

4、等植物。在低等植植物。在低等植物中，物中，地衣地衣有有350350多种，多种，苔藓苔藓370370多种，多种，藻类藻类130130多种。多种。 7Para 3 A great place for researchers1.Why is Antarctica a great place for researchers?2. How can they help the researchers?(1)Gases & minerals can tell_(2) Antarctic rocks may contain_It has become a window on the past, and can

5、 give researchers lots of useful informationthe climate in the pastevidence of extra-terrestrial life8Chinese Antarctica scientific explorers on Antarctica9Antarctic rocks are very also very important for research. Most of them are meteorites from outer space.10Para 4 How was Antarctica discovered?

6、Antarctica was the last continent_. More than 2 thousands years ago,_ believed there was a large land existing in the south. However, it was not until_ that a _ explorer crossed the _ circle. In 1895, a_ become the 1st man to_ Antarctica and it was finally_ on 11th December 1911.to be discoveredGree

7、k geographersthe late 18th centuryBritish Antarctic Norwegian set foot onreached11Para 5 Why was a treaty(条约) made?Time Countries _countries, including_,_and _. to prevent the_and_ useAims to keep it free from_and_ promote international_ end_about who owns the landResult It became the mostwork together for