[中学联盟]浙江省杭州市塘栖中学高中英语必修三教学课件：B3U4 using language3.pptVIP

Unit 4 A visit to the moon A VISIT TO THE MOON Task 2. Fast reading Careful reading The change of gravity The change of my weight Careful reading Careful reading 1). “A + be + 倍数 + as +形容词原级 + as + B”. This tree is _____________________ that one. 这棵树比那棵树高三倍。 The Yangtze River is almost _______________ the Pearl River. 长江比珠江长大约两倍。 The number of students in our school is ______________________ that in theirs. 　我们学校的学生数量比他们学校的多三倍。 3). “A + be + 倍数 + the +名词 (size, amount, length, depth, width…) + of + B” The newly broadened square is ____________________ the previous one.  新扩建的广场是未扩建时的四倍大。 Discussion Composition Homework Who is the first Chinese astronaut to go into space? So far, how many countries have succeeded in sending people up to space? Which country first sent people up to space? 1 Yang Liwei Three A. USA B.the Soviet Union C. China 2 3 Armstrong (America, 1969) Who is the first man landing on the moon? What was the date when China launched Chang’e I successfully? October 24th,2007 November 5th, 2007 C. November 22nd,2007 4 5 1. Who do I have a chance to travel to the moon with ? 2. How did we travel to the moon? 3. What’s the writing order in this text? 4. How many times would the force of gravity change on our journey? Which change would be the most powerful? Li Yan Pin , an astronomer by spaceship Three times , the first time Please read Para.2 and underline the sentences about the gravity and our weight during the journey? Leaving for the moon on the moon in space gravity very light disappearing strong on the earth weight on the moon in space on the earth one-sixth heavy no weight Walking on the moon What happened to me when I tried to step forward? Why? I was carried twice as far as on the earth and fell over. Because the gravity has changed. Returning to the earth Because fire broke out on the outside of the spaceship as the earth’s gravity increased. 1.Why was returning to the earth very frightening?