2022年高中外研版英语教材选修课文整理 .pdf
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1、名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页,共 37 页 - - - - - - - - - Module 1 Antarctica:the last continent 1_ Antarctica is the coldest place on Earth. It s also the driest. With annual rainfall close to zero, Antarctica is technically a desert. Covering abou
2、t 14 million square kilometres around the South Pole, it is the fifth largest continent in the world. A high mountain range, the Trans-Antarctic range, runs from east to west, cutting the continent in two. There are volcanoes too, but they are not very active. Antarctica holds 90% of the world s ice
3、, and most of its fresh water (70%) is in a frozen state, of course. 98% of the surface is covered permanently in the ice cap. On average it is two kilometres thick, but in some places it reaches a depth of five kilometres.Strong winds driven by gravity blow from the pole to the coastline, while oth
4、er winds blow round the coast. It is difficult to imagine a more inhospitable place. 2_ Yet Antarctica is full of wildlife, which has adapted to its extreme conditions.There are different types of penguins, flying birds, seals, and whales. But the long Antarctic winter night, which lasts for 182 day
5、s (the longest period of continuous darkness on earth), as well as the extreme cold and lack of rainfall, means that few types of plants can survive there. Only two types of flowering plants are found, while there are no trees on the large continent. The rest of the plants are made up of mosses, alg
6、ae and lichen. Some forms of algae have adapted to grow on ice. 3_ Most of the ice has been there for thousands of years. As a result, it has become a window on the past, and can give researchers lots of useful information. Gases and minerals, in the form of volcanic dust trapped in the ice, can tel
7、l us a lot about what the worlds climate was like in past ages. Antarctic rocks are also very important for research. Most of them are meteorites from outer space. One rock, known us the “Alien ” rock, may contain evidence of extra-terrestrial life. Since most Antarctic rocks arc dark in colour, the
8、y stand out against the while background and are easy to identify and collect. 4_ Antarctica was the last continent to be discovered. But more than two thousand years ago Greek geographers believed that there was a large land mass in the south which balanced the land in the north. They called it Ant
9、i-Arktikos , or Antarctica: the opposite of Arctic. When Europeans discovered the continent of America in the 15th century, the great age of exploration began. However, progress to the South Pole was slow. Not until the late 18th century did the British explorer James Cook cross the Antarctic Circle
10、, but he never saw land. Then in 1895, a Norwegian called Carstens Borchgrevink became the first man 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页,共 37 页 - - - - - - - - - to set foot on the Antarctic mainland. The race to the pole had begun. It was finally reac
11、hed on 11th December, 1911 by the Norwegian Roald Amundsen. 5_ Today scientists from many countries travel to Antarctica to study its resources. A spirit of international friendship has replaced the rivalry that existed between many of the earlier explorers. In 1961, a treaty signed by 12 countries,
12、 including Britain, France, and the USA, made Antarctica the worlds biggest nature reserve. The aim of the treaty is to prevent the commercial and military use of the continent. In particular, it aims to keep Antarctica free from nuclear tests and radioactive waste; to promote international scientif
13、ic projects; and to end arguments about who owns the land. Today countries representing 80% of the world s population have signed the treaty. Antarctica has become perhaps the most successful symbol of man s efforts to work together for progress and peace. How Failure Became Success On 8th August, 1
14、914,27 men who had replied to an advertisement in The Times boarded a ship leaving for the Antarctic. The name of the ship was the Enduranceand the captain was an Irishman called Ernest Shackleton. The aim of the journey was to cross the frozen continent via the South Polea journey of 1,800 miles. S
15、hackleton thought the journey would last six months. But when land came into sight, the Endurance became trapped in the ice and began to break up. Shackleton and his men watched the Endurance sink into the icy sea. They then headed north, pulling three lifeboats behind them. After six days, bad weat
16、her forced them to give up and the men set up camp on a sheet of ice which began slowly moving across the Antarctic Circle. They survived on the ice for five months. Then, on 16th April, 1915,Shackleton saw land. It was Elephant Island a large rock with nothing growing on it, but much better than a
17、floating piece of ice. When they reached the island, Shackleton came up with an ideait was a risk but he would have to take it. He and five men would take one of the lifeboats, and sail 800 miles to South Georgia, where there was a permanent camp. They could then return to rescue the rest of the men
18、. It took Shackleton 17 days to reach South Georgia. Unfortunately he landed on 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页,共 37 页 - - - - - - - - - the wrong side of the island, and had to walk 36 hours over mountains to reach the camp. The whale hunters at t
19、he camp couldn t believe their eyes when they saw the six men walking down from the mountains. Shackleton kept his promise. More than three months later, he returned to Elephant Island to rescue the crew he had been forced to abandon. He had failed to reach the polebut he had saved the lives of all
20、his men. Welcome to the South Poles! South Poles? How many are there? In fact, there are three South Poles: a ceremonial Pole ,which is on the moving glacier, a geographical or true Pole, and a magnetic Pole.which changes its position according to the movement of the Earth. Is it safe? Because the S
21、outh Pole is a high altitude site, the glare of the sunlight here is very intense. Its also reflected by the snow, so if you go outside, remember to wear sunglasses and use suncream.If you dont, theres a severe risk that youll damage your eyesight or get badly sunburnt. Is it cold? Yes! Be very care
22、ful out in the open air! The temperature is between minus 21in the summer and minus 78 in the winter, and you can become numb with cold without realising. There s heavy frost even on the warmest summer days, and if it s quiet you can hear your breath freeze. So if you leave the station, dress warmly
23、 and carry dry clothing and a portable radio. Is there anything good about the weather? The air is very pure, and it doesnt snow very muchonly about four millimetres a year. There s very little wind and the sky is usually clear. It s possibly the calmest place on Earth. What s it like to live here?
24、Life is quite abnormal. Sunrise and sunset come once every six months, and in the winter the total absence of daylight can be tiresome, and for some, depressing. We re totally isolated except for radio and electronic communications, as no 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心
25、整理 - - - - - - - 第 4 页,共 37 页 - - - - - - - - - aircraft can fly here for about eight months. Where do we live? The South Pole scientific station is situated on a platform of ice, 3,0004,000 metres high, but under only a few millimetres of snow. We have a minimum of 28 people living here in the wint
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