外研版八年级下册英语M3U2.ppt

《外研版八年级下册英语M3U2.ppt》由会员分享，可在线阅读，更多相关《外研版八年级下册英语M3U2.ppt（24页珍藏版）》请在得力文库 - 分享文档赚钱的网站上搜索。

1、外研版八年级下册英语M3U2 Four short words sum up what has lifted most successful Four short words sum up what has lifted most successful individuals above the crowd: a little bit more. individuals above the crowd: a little bit more. -author -author -date-dateScientists have sent spaceship to Mars. The journey

2、 has taken several months. Read the passage and choose the best title for it. 1. Anyone out there? 2. Life on the earth 3. The sun and other 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 l

3、ight from the stars in other galaxies has travelled for a long time to reach us.5. Scientists have received many messages from space.6. Spaceships have visited most of the universe. 1. Scientists think that there has been life on Earth for millions of years. 宾语从句宾语从句 there has been: there be 的完成时的完成

4、时科学家们认为，科学家们认为，地球上地球上已有已有生命生命数百万年数百万年了。了。Read Para 1 and find out this sentence.They think _ (曾有过曾有过) life on the moon.用用现在完成时现在完成时there behas everbeenRead 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 t

5、he sun.Eight planets .The sun and its planets are called the solar system.围着围着转转2. None of them has an environment with air. (L3-4) none : 一个一个（人（人物）物）也没有也没有 用来回答用来回答how many 的提问的提问 （no one 用来回答用来回答who 的提问）的提问） none of + n.复复 （谓语动词单复均可）（谓语动词单复均可） with : 有有他们中没有一个他们中没有一个有有 空气的环境。空气的环境。 How many peopl

6、e are there in the classroom? _. A. No one B. None C. Nothing 这些宇航员没人去过火星。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。这里曾经有个带花园的房子。 _ some houses _ gardens.None ofhave / has been toThere have been with 3. The sun and its planets are called the solar system. (L5-6)be called: 被叫做被叫做 （被动语态）（被动语态

7、）那个演唱组合叫那个演唱组合叫S.H.E. S.H.E. 。The pop group _S.H.E.is calledRead 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 night more than Milky Wayone of them4. The stars we see at night are t

8、he suns in other solar systems. (L1-2)定语从句定语从句： 用来解释前面的名词。用来解释前面的名词。 的的 + + 前面的名词前面的名词我们晚上看到的我们晚上看到的星星是其他星系的恒星。星星是其他星系的恒星。The boy who is talking to the teacher comes from England.正在和老师谈话的正在和老师谈话的男生来自英国。男生来自英国。Read Para 4 answer questions: What have scientists discovered? 2. Why is it hard to know ho

9、w 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。他们的光线需要好几年才能到达地球。到达某地到达某地 arrive in + 大地方大地方 at + 小地方小地方 get to + 地方地方 reach + 地方地方【温故知新】【温故知新】后面没有地点只用后面没有地点只用 arrivearrive He will

10、 call you as soon 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.get6. Its hard to understand how large the universe is.( ) Its hard for the students _ the English well. A. learn B. to l

11、earnC. learningIt is +形形 + (for sb.) to doB很难明白宇宙有多大。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，孤独的孤

12、单的，孤独的行为动词行为动词+alone 孤单地孤单地， 独自独自loney 寂寞的寂寞的,孤单的孤单的feel lonely感到孤单的感到孤单的宇宙中有这么多的星体，我们是宇宙中有这么多的星体，我们是单独的单独的吗？吗？太空中还有其他生命吗？太空中还有其他生命吗？用用lonely，alone填空填空 The old man lives _ but he never feels _. Because he has many friends there. Dont leave your child _ at home.alonelonelyaloneComplete the passage wi

13、th the words and expression in the municate environment none solar system universeIs there life on other planets? There are seven other planets in our (1) _, but (2) _ of them has a(n) (3) _ like that of the earth. solar systemnoneenvironmentSpaceships 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 municateuniverse