1、Unit One,Is There Life on Earth,Contents,Guided-Learning Warm-up Background Information Learning-Aims The Main Idea of this text The Structure of this text New words and expressions The Analysis of this text,The Tide Rises, The Tide Falls,The tide rises, the tide falls, The twilight darkens, the cur
2、lew calls; Along the sea-sands damp and brown The traveler hastens towards the town. And the tide rises, the tide falls, Darkness settles on roofs and walls, But the sea, the sea in the darkness calls;,The little waves, with their soft, white hands; Efface(抹掉) the footprints in the sands, And the ti
3、de rises, the tide falls, The morning breaks, the steeds(骏马) in their stalls Stamp(跺脚) and neigh(马嘶), as the hostler(马夫)calls; The day returns, but nevermore Returns the traveler to the shore, And the tide rises, the tide falls.- Henry W. Longfellow,Questions,Is there life on earth in your mind?Do y
4、ou think our earth has been polluted by us ?Whats your attitude toward pollution?,Background Information,1. Art Buchwald (1925-) 2. The Planet of Venus 3. Satellite 4. Manhattan 5. 20,000 light years 6. Press Conference 7. skyscraper 8. Ziches,Background Information,1. Art Buchwald (1925-):Art Buchw
5、ald is a well-known American humorist and journalist for the Washington Post. He writes a political humor column that appears daily in hundreds of newspapers across the United States. His columns frequently deal with stories about politicians and famous personalities, current events in politics and
6、issues in the news. Some of his well-received columns have been collected and reprinted in book form.,2. The Planet of Venus,Venus The second planet fromthe sun in the solar system. It is the brightest object in our sky, after the sunand moon.,Solar System,Venus is the second planet in distance from
7、 the sun and nearest to the Earth of all the planets in the solar system. Except for the sun and the moon, Venus is the brightest object in the sky. The planet is called “the morning star” when it appears in the east at sunrise, and “the evening star” when it is in the west at sunset.,The surface te
8、mperature of Venus averages about 475 degrees centigrade and its atmosphere is about 95% carbon dioxide. Oxygen is very rare. The high temperature and near absence of oxygen on venues make it unlikely that life as we know it could exist there.,3. Satellite,A satellite is a manufactured object that c
9、ontinuously orbits the earth or some other body n space. Most artificial satellites orbit the earth. People use them to study the universe, help forecast the weather, transfer telephone calls over the oceans, assist in the navigation of ships and aircraft, monitor crops and other resources and obser
10、ve movements of military equipment on the ground. Artificial satellites mainly gather information about the bodies they orbit.,4. Manhattan,Manhattan is one of the commercial, financial, and cultural centers of the world. They include Broadway, Chinatown, the Empire State Building, Greenwich Village
11、, Times Square, the United Nations Headquarters, Wall Street, and many churches, colleges, skyscrapers, and theatres. Most of New Yorks municipal buildings stand on Manhattan Island. When people think of New York City, they are usually thinking of Manhattan, the core of the city.,Chinatown,the Empir
12、e State Building,the Empire State Building,Greenwich Village,Times Square,20,000 light years,A light year is the distance that light travels in one year, about 6 trillion miles. Art Buchwald is being humorous when he deliberately says: “20,000 light years ago.” the intened meaning is only “a very, v
13、ery long time ago.”,Press Conference,A Press Conference (also news conference) is a meeting arranged by an important person to which news reporters are invited to listen to a statement or to ask questions.,Skyscraper,Skyscraper is the name given to the worlds tallest buildings. These giant structure
14、s first appeared during the late 1800s in Chicago and New York city. Skyscrapers provide space for offices, apartments, stores, hotels, restaurants, sports clubs, and other facilities.,迪拜塔,818m 160c 80 billion dollars,Ziches,“ziches” is a slang word meaning zero or nothing. In our text it is used as if it were a monetary unit such as yuan or dollar. A native speaker would immediately see the humor in spending billions and billions of nothings.,
