高一英语antarctica the last continent课件.ppt

Fast-reading Look through the whole passage and find out the main idea of each para: Para 1 Para2 Para3 Para4 Para 5 Plants and animals The discovery of Antarctica Brief introduction of Antarctica The Antarctic Treaty A great place for researchers Careful-reading for more information Para.1 Brief introduction of Antarctica Name: __________ Location: around the __________ Area: ________ square kilometers; the 5th_______ continent in the world Climate: coldest and______ on Earth Numbers: 90% of_____________,70% in____________,98% is covered in_________ Antarctica South Pole 14 million largest driest the world’s ice a frozen state the ice cap There are different types of penguins,flying birds, seals and whales. Para 2 animals plants penguins seals whale Few plants survive there except mosses, algae and lichen. 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。 Para 3 A great place for researchers 1.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 give researchers lots of useful information the climate in the past evidence of extra-terrestrial life Chinese Antarctica scientific explorers on Antarctica Antarctic rocks are very also very important for research. Most of them are meteorites from outer space. Para 4 How was Antarctica discovered? 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 discovered Greek geographers the late 18th century British Antarctic Norwegian set foot on reached Para 5 Why was a treaty