人教版高二英语Unit12 Warming up and listening 课件VIP免费

1.What is science fiction?1.Do you know some books or movies about science fiction?And what are they about? Science fiction is a literary genre in which scientific development is predicted, often based on present-day results that seem to make such developments possible options that are different from reality. In short, it needs great imagination.Science fiction can be about scientific development in technical fields ,but also in medical or social science. 20,000 Leagues Under The SeaAround The World in 80 Days Jules Verne ——Father of Science Fiction How much do you know about the scientific facts? 1.What is the highest mountain on earth and how high is it? Mount Everest/ Qomolangma; 8848 m 2.What is the deepest point in the ocean and where is it?Marians Trench in the Western Pacific; 11,033 metres马里亚纳海沟 • 3. Which is the longest river on earth and how long is it ?A. Yangtze River , 6300 kilometers.B. Nile River , 6695 kilometers .C. Amazon River, 6,280 kilometers. • 4. What is the distance from the earth to the moon? What is to Mars? What is it to the nearest star?To the moon : 384,401 km To Mars: 56 million km— 375million kmTo the Sun: 150 million km • 5. How far is it to the center of the earth? A. 7 x 105 km B. 6400 km C. 10000 km • 6. How high are the temperatures near the centre of the earth? B. 60000℃ C. 6000℃ A. 6880℃ • 7. What is the longest distance around the world?A. About 50077 kmB. About 40076 kmC. About 60077 kmTraveling around the world the longest distance is along the equator. 8. How fast does a balloon travel ? How about an aeroplane? How about a space shuttle?over 20 miles per hourabout 17,600 miles per hourabout 900 miles per hour S...