外研版八年级下册英语M3U2ppt课件

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1、.,Module 3,Journey to space,.,Unit 2,We have not found life on any other planets yet.,.,Scientists have sent spaceship to Mars. The journey has taken several months.,.,Listen and read,.,Read the passage and choose the best title for it. 1. Anyone out there? 2. Life on the earth 3. The sun and other

2、stars 4. The stars at night,.,1. The earth is a star. 2. The sun is a star. 3. There is more than one galaxy in the universe.,Check () the true sentences.,.,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.

3、6. Spaceships have visited most of the universe.,.,1. Scientists think that there has been life on Earth for millions of years., 宾语从句 there has been: there be 的完成时,科学家们认为,,地球上已有生命数百万年了。,Read Para 1 and find out this sentence.,They think _ (曾有过) life on the moon.,用现在完成时,there be,has ever,been,.,Read

4、Para 2 and answer questions:,1. What does the Earth go around? 2. How many planets go around the sun? 3. What is the solar system?,It goes around the sun.,Eight planets .,The sun and its planets are called the solar system.,围着转,.,2. None of them has an environment with air. (L3-4), none : 一个(人物)也没有

5、用来回答how many 的提问 (no one 用来回答who 的提问) none of + n.复 (谓语动词单复均可) with : 有,他们中没有一个有 空气的环境。,., How many people are there in the classroom? _. A. No one B. None C. Nothing 这些宇航员没人去过火星。 _ the astronauts _ Mars. 这里曾经有个带花园的房子。 _ some houses _ gardens.,None of,have / has been to,There have been with,.,3. The

6、 sun and its planets are called the solar system. (L5-6) be called: 被叫做 (被动语态),那个演唱组合叫S.H.E. 。 The pop group _S.H.E.,is called,.,Read Para 3 fill in the blanks:,The stars we see _ are the suns in other solar system. There are _ 200 billon stars in our galaxy, called the _, and our sun is only _.,at

7、night,more than,Milky Way,one of them,.,4. The stars we see at night are the suns in other solar systems. (L1-2),定语从句: 用来解释前面的名词。 的 + 前面的名词,我们晚上看到的星星是其他星系的恒星。,The boy who is talking to the teacher comes from England.,正在和老师谈话的男生来自英国。,.,Read Para 4 answer questions:,What have scientists discovered? 2.

8、 Why is it hard to know how large the universe is?,Theyve discovered many other galaxies.,Because they are very far away.,.,5. their light has travelled for many years to reach us.,他们的光线需要好几年才能到达地球。,到达某地 arrive in + 大地方 at + 小地方 get to + 地方 reach + 地方,【温故知新】,后面没有地点只用 arrive,., He will call you as so

9、on as he _Foshan. A. arrive in B. gets C. reaches Who can tell me when he _? A. reached B. got to C. arrived The light is too high. I cant _it. A.reach B. arrive C.get,.,6. Its hard to understand how large the universe is.,( ) Its hard for the students _ the English well. A. learn B. to learnC. lear

10、ning,It is +形 + (for sb.) to do,B,很难明白宇宙有多大。,.,Read Para 5、6 and answer questions:,Has anyone discovered life in space ?,No one has discovered any life in space yet.,(P5,L4),.,7. With so many stars in the universe, are we alone, or is there life out there in space?(P6,L3),be alone: 孤单的,孤独的 行为动词+alon

11、e 孤单地, 独自 loney 寂寞的,孤单的 feel lonely感到孤单的,宇宙中有这么多的星体,我们是单独的吗?太空中还有其他生命吗?,.,用lonely,alone填空 The old man lives _ but he never feels _. Because he has many friends there. Dont leave your child _ at home.,alone,lonely,alone,.,Complete the passage with the words and expression in the box.,Is there life on

12、 other planets? There are seven other planets in our (1) _, but (2) _ of them has a(n) (3) _ like that of the earth.,solar system,none,environment,.,Spaceships from the earth have done surveys of the other planets, but they have not found any life there. Why has no one from other planets tried to (4) _ with us? It is true that scientists have not discovered life on other planets in the (5) _ yet, but some scientists believe that they will find it some day.,communicate,universe,.,Thank you!,

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