新外研版八年级英语下Module3Unit2课件

1、Unit 2,We have not found life on any other planets yet.,Guangping Middle School Han Guizhi,“嫦娥一号”(Change-1)月球探测卫星于2007年10月24日在西昌卫星中心由“长征三号甲”运载火箭发射升空。经过8次变轨后，于11月7日正式进入工作轨道。2009年3月1日在控制 下成功撞击地球， 为我国探月一期工 程画上圆满句号。,“嫦娥二号” (Change-2)于2010年10月1日成功升空，这次最主要的一个任务就是对月球虹湾地区进行高清晰度的拍摄，而此次的拍摄将为嫦娥三号卫星的发射和着陆做好前期准备

2、。,“嫦娥三号”(Change-3)“怀抱”中国首辆月球车“玉兔号”飞天落月，“玉兔号”于2013年12月15日着陆。,none environment that solar,pron. 没有一人；没有 一个；一点儿也 没有 n. 环境 pron. 那；那个（指代 已被提及的事物） adj. 太阳的；与太阳有 关的,Words and expressions,system solar system group galaxy universe,n. 系统；体系 星系；（尤指） 太阳系 n. 群；组 n. 星系 n. 宇宙,Words and expressions,light impossibl

3、e out communicate,n. 光；光线；光亮 adj. （事情）办不 到的，不可能的 adv. 在远方 v. 联系；交流,Words and expressions,Let the words fly,light,光：,环境：,太阳系：,宇宙：,太阳的：,系统：,那个：,群：,不可能的：,在远方：,联系：,没有一个：,星系：,solar system,that,galaxy,environment,none,communicate,out,impossible,group,system,solar,universe,Check() the true sentences. 1. Th

4、e 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. 6. Spaceships have visited most of the universe.,Phrases: hundreds

5、/millions of 成百上千的 数以百万的 none of them没有 far enough足够远 communicate with和交流 in space在太空 any other planets其他行星 go around环绕solar system 太阳系 in the universe在宇宙里,Patterns: We have just done We havent doneyet. We have already done.,Language points,1. Scientists think that there has been life on the earth f

6、or hundreds of millions of years. 科学家们认为地球上的生命已经有上亿年的历史。,hundred前加基数词，表示“一百、二百、三百”，hundred要用单数形式；hundred与of连用表示“数百”时，hundred要用复数形式，即hundreds of。,例如： There are eight hundred students in our school. There are hundreds of people in the park.,We planted _ trees last year. A. hundreds of B. hundred of C.

7、 five hundreds D. five hundred of,thousand, million, billion和hundred的用法相同。,Practise,2. With so many stars in the universe, are we alone, or is there life out there in space? 宇宙中有这么多星球，我们是孤独的吗？抑或太空中还有其他生命存在呢？ With so many things to do, we have no time to play. 要做的事情这么多，我们都没时间玩了。,这里with so many stars

8、in the universe是介词短语，在句中作状语。类似的例子还有：,The woman stood there with her hands in the pockets. 那个女士站在那里，手插在口袋里。,Practise, Why do you always sleep _? Because Im afraid of the dark. A. by yourself B. with the door open C. with the window open D. with the light on,3. Why has no one communicated with us? 为什么

9、没有人和我们联系呢？ We rang several times, but no one answered. 我们按了几次铃，但没有人来开门。,no one表示“没有人”，作主语时，谓语动词常用单数形式。如：,none 指三个或三个以上的人或物中“没有一个”，其后常接“of + 名词 / 代词”，后面动词单复数形式均可。,None of us has / have been to Sanya. 我们都没去过三亚。, Im hungry. Is there any bread in the fridge? _, but we have cakes. Would you like to have

10、one? A. Some B. Much C. None D. Nothing,Practise,一. 用方框中的单词的正确形式完成下列句子。 1. _ of the students has been to Australia. 2. A: How much is your new coat. B: It _ me 150 yuan.,billion cost planet alone none,None,cost,3. A: Do you often go online, Zhao Hui? B: No. I like to go online when I am _ at home. 4

11、. A: How many people are there in China now? B: It has reached 1.3 _. 5. The boy is only five years old, but he knows about many _.,alone,billion,planets,二. 下列各句中均有一处错误，请指出并改正。 1. My mother isnt in. She has been to the supermarket. _ 2. Football is so exciting that million of people in the world pla

12、y it. _ 3. That is very hard to reach the apples on the tree. _,gone,millions,It,三、Complete the passage with the words and expression in the box.,communicate environment none solar system universe,Is there life on other planets? There are seven other planets in our (1)_, but (2)_ of them has a(n) (3

13、)_ 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)_

14、 yet, but some scientists believe that they will find it some day.,communicate,universe, Theyve just heard a message from one of our spaceships.,Writing, What have the scientists just received? (a message from one of our spaceships),Look at the picture from a science story for children and answer the questions.,1. Where has the spaceship landed? (Mars) 2. What has the spaceship discovered? (people on Mars) 3. Why have the people on Mars not sent