Antarctic 南极洲

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Temperatures reach a ________ of between −80 °C and −90 °C minimum maximum (−112 °F and −130 °F) in the interior in winter and reach a _________ of between 5 °C and 15 °C (41 °F and 59 °F) near the coast in summer. Sunburn is often a health issue as the snow surface reflects almost all of the ultraviolet light falling on it. Eastern Antarctica is colder Weather than its western __________ because of its higher elevation. ________ counterpart ______ rarely penetrate far into the continent, leaving the center cold and fronts dry. Despite the lack of precipitation over the central portion of the continent, ____ there lasts for extended time periods. Heavy snowfalls are ice portion not uncommon on the coastal _______ of the continent, where snowfalls of up to 1.22 meters (48 in) in 48 hours have been recorded.
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Skimming 2. Now write down in phrases as many reasons as you can find from the text why Antarctica is uninhabited and why our knowledge about Antarctica is so slight. 1. great isolation from other land 2. not inhabited by humans 3. hardly any plant or animal life 4. no human child ever born there 5. very little rain 6. intense cold 7. howling wind 8. the most tempestuous seas around it
1. Do you know where Antarctica is?
2. Do you want to visit it if you had the chance? Why or why not?
3. When you see the title of the text, what do you anticipate?
He lives in Surrey, England, and has four sons and one daughter.
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Extended Reading Directions: Listen to the following information for a better understanding of the text. While listening, please fill in the blanks with the information you hear.
Unit 8 : Text A
Antarctica 南极洲
基础英语 4
• Coastal types around Antarctica (Drewry, 1983) Type Frequency： • Ice shelf (floating ice front)44% • Ice walls (resting on ground)38% • Ice stream/outlet glacier (ice front or ice wall)13% • Rock5% • Total：100%
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Free Discussion Can human beings finally conquer Antarctica and make full use of its resources?
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Warm-up Questions
A satellite composite image of Antarctica
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Climate of Antarctica earthAt Antarctica is the coldest place on _______ the 3-kilometer (2 mi). high Vostok Station in Antarctica, scientists recorded the world’s lowest temperature: _______ −89 °C (−129 °F). For comparison, this is 11 degrees colder than sublimating ________ . Antarctica is a frozen desert dry ice with little ____________ ; the South Pole itself receives less than 10 precipitation centimeters (4 in) per year, on average.
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Payne has also used Ian Cameron and Donald Gordon as pseudonyms. His publications include The Midnight Sea (1958), The Wind at Morning (1973) and Antarctica: The Last Continent (1974), White-Out (1999), and Riders of the Storm (2002).
Part 2 (Para.3—Para.5) Body: The writer illustrates the reason why Antarctica has not been conquered by man so far, and why man’s knowledge about Antarctica is comparatively small.
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Part 3 (Para.6)
Conclusion: The main drawback to the unveiling of Antarctica was the Southern Ocean which surrounds it.
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Part Division of the Text
Directions: Please divide the text into 3 parts. Then summarize the main idea of each part. Part 1 (Para.1—Para.2) Introduction: The writer presents a general picture of Antarctica and poses the question why our knowledge about it is slight.
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Skimming
1. Try to summarize the main idea of the text.
The text mainly discusses why the Antarctic has not been conquered by man so far and how our right of holding it is questionable even today.
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Background Information About Antarctica
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Antarctica is earth’s southernmost continent, overlying the South Pole. It is situated in the southern hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean. It is the fifth largest continent in area after Asia, Africa, North America, and South America. Some 98% of Antarctica is covered by ice, which averages at least 1.6 kilometres (1.0 mi) in thickness. On average, Antarctica is the coldest, driest and windiest continent, and has the highest average elevation of all the continents.
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About the author Donald Gordon Payne (born on January 3, 1924 in London) is an English author. His most famous book, published under the pseudonym James Vance Marshall, is probably Walkabout (1964) , first published as The Children and later made into a movie starring Jenny Agutter.