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1、Welcome to the unit,Unit,1,In your opinion, what is the most beautiful thing one can experience? Why?,Group discussion,What have you known about Albert Einstein? Why was he so great?,Einstein contributed more than any other scientist to the modern vision of physical reality. His special and general
2、theories of relativity are still regarded as the most satisfactory model of the large-scale universe that we have. He solved lots of problems mysterious to us before,Do you want to know his opinion of the most beautiful thing one can experience?,The most beautiful thing one can experience is mysteri
3、es . They are truly the basis of all arts and sciences .,-what kind of attitude should we adopt towards mysteries?,Have you ever heard of something not only interesting and attractive but also unexplained at all even with the help of modern science and technology in the world?,Leonardo Da Vinci pain
4、ted the Mona Lisa on a piece of pine wood(松树) in the year 1506.,The Bermuda Triangle,Pair work,Do the five pictures have something in common? If so, what is it? Can scientists explain these phenomena? 3.How do you feel about them?,Example: They are mysterious because no satisfactory answers have bee
5、n offered to explain them so far. Though these mysteries have puzzled people for a long time, they still show great interest in them. People feel puzzled by the mysteries,Example: UFO stands for Unidentified Flying Objects, that is, objects, apparently moving in the sky, which we cannot identify. Th
6、ere are lots of reports about UFOs. Some say they are aliens visiting us in their spacecraft, and some say they are military test aircraft, while others say they do not actually exist. Since we have never seen one with our own eyes and there is no definite scientific explanation for it, we are not c
7、ertain whether UFOs really exist, but we believe everything will be clear in the future.,What do the letters UFO stand for？,unidentified flying objects,Are they really from another planet?,Do you believe in UFOs? What might be the most acceptable explanation for UFOs?,Aliens from space. Military tes
8、t aircraft. Some UFOs are alien, some are test aircraft. UFOs are evidence of human space travel. UFOs are neither alien nor test aircraft. UFOs dont exist.,The chances of seeing a UFO are greater for those people who live in small towns or in the country and are outside late at night.,UFOs come in
9、all shapes and sizes. Some are only small spots of light that move in strange patterns across the night sky.,Some can be seen in the daytime. They are often said to be disk- or saucer-shaped.,Where is it?,Himalayas the highest mountain range in the world,weather,High winds Snowstorms Cold Wet,Why so
10、 many people make great efforts to climb them?,Hobby Dream Challenge themselves Overcome difficulty Make discoveries ,Yeti Abominable snowman,What do Yetis look like?,Half-man and half-beast Strong, hairy,The Yeti or Abominable Snowman, also called the “missing link” （推想中从类人猿发展到人类之间的过渡生物）, is said t
11、o be a humanlike monster that is supposed to live in Himalayas, the highest mountain range in the world. Several sightings, mainly of footprints, have been reported by western explorers throughout the years. Yet none of them have been supported with evidence in any way.,Loch Ness,A big lake in Scotl
12、and, one of Scotlands top tourist attractions, famous because of Nessie, the Loch Ness Monster.,Loch Ness Monster,On the 21st December 1933, The hunter, M A Wetherall, “It is a four fingered beast and it has feet or pads of eight inches across. I judge it to be a powerful soft footed animal about 20
13、 feet in length. I am sure that it can breathe like a crocodile with just one nostril out of the water.“,Stonehenge,Prehistoric monument on Salisbury Plain, southern England, consisting of two concentric circles(同心圆) of large standing stones, the heaviest of them weighing probably about 45 tons, one
14、 of the most famous prehistoric sites in the world, added to the UNESCOs list of World Heritage Sites in 1986, built between 2800 and 1500 BC , thought to have been an astronomical calendar(天文历) or a temple to the sun.,Pyramids, Egypt,The Sphinx,Half human, half lion, the Sphinx is 240 feet long and
15、 66 feet high,All Egyptian pyramids were built on the west bank of the Nile, as the site of the setting sun was associated with the world of the dead in Egyptian mythology.,The Great Pyramid The Great Pyramid of Khufu is one of the seven wonders of the ancient(古代的) world. No one knows how people can
16、 put such big stones on without any machine.It is the greatest of the Egyptian pyramids. They are burial places(墓地) for the Pharaohs(法老). It is the symbol of Egypt.Some people say the pyramids are built by the aliens.,Group discussion:,What other unexplained things do you know about? If you saw a UFO or a monster some day, what would you do?,tales of the unexplained: 常用“the+adj/v-ing/v-ed”来表示一类人或物，如 the rich; the unknown; the living, the unemployed,Language points,2. ta
