外研版八下ppt课件.pptx

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1、noneenvironmentsolarsystemsolar systemgroupgalaxyuniverseimpossiblecommunicate,ron. 没有一个n. 环境adj. 太阳的,与太阳有关的n.系统,体系星系,(尤指)太阳系n. 群,组n. 星系 n. 宇宙adj. (事情)办不到的,不可能的v. 联系,交流,Words and expressions,Unit 2 We have not found life on any other planets yet.,Module 3 Journey to space,These are the great time fo

2、r every Chinese.1. On 15th, October 20032. On 12th, October 20053. On 25th, September 20084. On 16th, June 20125. On 11th, June 20136. ,Shenzhou-5Shenzhou-6Shenzhou-7Shenzhou-9Shenzhou-10,Space walk,Match the words with the pictures.,earth,planet,solar system,star,Galaxy,Milky Way,Universe,1. Anyone

3、 out there?,2. Life on the earth,3.The sun and other others,4. The stars at night,The best title for the passage_.,Fast reading: Read the passage quickly and choose the title.,Reading tip 1: the beginning and the ending,1,Put the words and phrases in the order (smallbig),1,2,3,4,earth, universe, gal

4、axy, solar system,2 solar system,1 earth,3 galaxy,4 universe,Careful reading: Read Para1 carefully and answer:,1. How many years has there been life on the earth?,Hundreds of millions of years.,2. Have we found life on other planets?,No , we havent.,The earth is a _ and it _the sun.,Seven other plan

5、ets also go around the sun. _of them has _like _of the earth.,The sun and its eight planets are called_ .,Our solar system is a small part of_ . There are many other galaxies in the _ .,Careful reading: Read Para 2 carefully again and fill.,that,solar system,the Galaxy or theMilky Way,universe,goes

6、around,None,an enviroment,planet,Careful reading: Read Para 3 carefully and answer.,Light year(光年),Why the stars look small?,Because thay are far away.,Their light has to travel for many years to reach us.,How far?,How larege is the universe?,It is impossible to imagine how large the universe is.,Sc

7、ientists _many other glaxies in the universe. They are far away and their light has to travel many years_. So it is _to imagine _.,have discovered,to reach us,impossible,how large the universe is,Careful reading: Read Para 4 carefully and finish.,1. Have scientists sent the spaceships to other place

8、s? Where?,Yes, they have.,2. Have the spaceships reach other stars in our Galaxy?,No, they havent.,No spaceship has travelled far enough to reach other stars in our Galaxy.,Scientists _spaceships to Mars _. They have even sent spaceships to travel_. However, no spaceship has travelled _reach other s

9、tars in our Galaxy.,have sent,to take photos,outside the solar system,far enough to,Is there life out there in space?,Have there been visitors to the earth from other planets?,Why has no one communicated with us?,Careful reading: Read Para 5 carefully and imagine.,Alien,UFO,With so many stars in the

10、 universe, are we alone?,What questions have the scientists asked?,1. The earth is a star.2. The sun is a star.3. There is more than one galaxy in the universe.4. The light from the stars in other galaxies has travelled for a long time to reach us.5. Scientists have received many messages from space

11、.6. Spaceships have visited most of the universe.,Check () the true sentences.,1 there has/have been 2 hundreds of millions of years3 go around4 be called 5 part of6 billions of7 communicate with sb.,1有2数亿年3 绕转4 被称为5 的一部分6 数十亿7 与某人交流,读后学一,1. None of them has an environment like that of the earth.non

12、e 指三个或三个以上的人或物中“没有一个”,其后常接“of + 名词 ”,后面动词单复数形式均可。no one表示“没有人”,作主语时谓语动词用单数形式。None of us has / have been to Sanya.,读后学二,The population of China is larger than that of America.that:指代前面被提及的事物 The temperature in Shandong is higher than _of Liaoning.A that B this C it,A,2 However, no spaceship has trave

13、lled far enough to reach other stars in our Galaxy. adj./adv. enough to do sth. 做某事足够He is not old enough to join the army. They are strong enough to carry the box.,1) Read and find out your own difficult points. 2) Discuss your problems with your group members.,读后学(三),学后读,Read the dialogue sentnce

14、by sentence.,Look at the picture from a science story for children and answer the questions.,Where has the spaceship landed? (Mars)What has the spaceship discovered? (people on Mars)3. Why have the people on Mars not sent us a message? (do not know how to)4. Why have the people on Mars not visited u

15、s on the earth? (do not know how to),Work in groups and imagine,What have the scientists just received ? (a message from one of our spaceships),They have just received a message from one of our spaceships.,读后说,We have just received a message from our spaceship to Mars ,Write a passage to describe th

16、e picture. Use your answers to the questions in Activity 5 to help you.,4.Complete the passage with the words and expression in the box.,Is there life on other planets? There are seven other planets in our _,but _ of them has a(n) _like that of the earth. Spaceships from the earth have done surveys

17、of the other planets, but they have not found any life there. Why has no one from other planets tried to _ with us? It is true that scientists have not discovered life on other planets in the _yet, but some scientists believe that they will find it some day.,solar system,environment,none,communicate

18、,universe,communicate environment none solar system universe,We have just received a message from our spaceship to Mars. Scientists have just heard that the spaceship has landed on Mars and has discovered people. These people havent sent us a message because they cant hear us. They havent visited th

19、e earth because they prefer life on Mars. They have used parts from the other spacecraft from earth to make TVs, radios and cars.,Possible version,一、根据句意写单词。,1. Everyone knows _ travels much faster than sound.2. _ of us like this bad TV programme.3. The flowers will _ well if they get enough water.4

20、. The solar system is a small part of our_.5. We havent _ life on other planets yet.,light,None,grow,galaxy,found,二、句型转换。,1. I have been to America before.(变成一般疑问句) _2. have, finished, not, I, homework, my(连词成句) _ 3. She _the Great Wall twice. (选 has gone to / has been to 填空)4. I think he will come

21、to your birthday party.(改为否定句) I _ _ _ _ come to your birthday party.,Have you been to America before?,I have not finished my homework.,has been to,dont,think,he,will,We havent _ any life on other planets and no one has_ with us yet.,The earth,Seven other planets,There is no_ on them.,_ has an _like

22、 that of the earth.,There has been _on it for _years.,Scientists,They have _many galaxies.,Scientists have sent_to Mars and even_.,Space exploration(探索),hundreds of millions of,life,None of them,environment,discovered,spaceships,outside the solar system,found,communicated,life,Watch a video and make a summary.,Search the Internet: to find out the English names of the planets in the solar system. what Chinese have done to explore the space.,Homework,Thank you!,

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