外研版八年级下Module3 Journey to space Unit2

1、Module3 Journey to space Unit2 We have not found life on any other planets yet 瓦房店市第十七中学瓦房店市第十七中学 初二英语组初二英语组 邱吉新邱吉新Review(二二)现在完成时表示从过去一直持现在完成时表示从过去一直持续到现在的动作或状态。续到现在的动作或状态。(也可能也可能到此结到此结)常常与与时间状语时间状语already, yet, ever, never, just, before,so far,since, for等等连用连用. 巩固练习巩固练习1What are you going to do th

2、is weekend? I _ yet. A. havent decided B. wont decide C. have decided D. didnt decide 2My cousin _ Sydney for half a year. A. has been to B. has gone to C. has come to D. has been in 31 want to return the book to Jack, but I cant find him He _ the library. You can find him there. A. has been to B. h

3、as gone to C. has left D. went to ADB4.Have you ever heard the news? Some scientist have _ sent aspacecraft to the moon. Yes. I think they want to find life on the moon. A. ever B. already C. yet D. never5Have scientists found life on other planets? -_ . A. Yes, they do. B. No, they have. C. No, the

4、y dont D. No, they havent6.Why is your brothers English so good? - Because he _ New York for six years. A. has come to B. has been in C. has gone to D. has been toBDB句型转换。句型转换。1. I have been to America before.（变成一般疑（变成一般疑问句）问句） _2. have, finished, not, I, homework, my（连词（连词成句）成句） _ 3. She _ the Grea

5、t Wall twice.（选（选 has gone to/has been to 填空）填空）Have you been to America before?I have not finished my homework.has been to4. So far, I learned more than 1,000 new words.（改错）（改错）5. I think he will come to your birthday party.（改为否定句）（改为否定句） I _ _ _ _ come to your birthday party.have learneddont think

6、 he will1. Wheres Mr Green? He _ to Changsha. (2013湖南湘西湖南湘西) A. have been B. has gone C. has been2. Is Tom at home? No, he_ to town. (2013天津天津) A. has been B. has gone C. goes D. will go 3. He promised to pick me up at the school gate. However, he _ yet. (2011安徽安徽)A. didnt arrive B. doesnt arrive C.

7、 isnt arriving D. hasnt arrived2. -_ you _anywhere before? -Yes, but I cant remember where I_ ADid; surf; surfed B. Have; surfed; surfed C. Did; surf; have surfed D. Have; surfed; have surfed 5. A number of tourists _ Yangzhou many times because it is such a beautiful city. (2013扬州扬州)A. have been to

8、 B. has been to C. has gone to D. have gone to1.nn 2nvarnmnt 3. t 4. sl(r) 5. sstm 6. ru:p 7. lks 8. ju:nv:s 9. lat 10. mpsbl 11. at 12. kmju:nket noneenvironmentthatsolarsystemsolar systemgroupgalaxyuniverselightimpossibleoutcommunicate pron.没有一人没有一人n.环境环境pron.那，那个那，那个adj.太阳的太阳的n.系统，体系系统，体系星系，太阳系星系

9、，太阳系n.群，组群，组n.星系星系n.宇宙宇宙n.光光/光线光线/光亮光亮 adj.不可能的不可能的adv.在远方在远方v.联系，交流联系，交流没有一人没有一人环境环境那，那个那，那个太阳的太阳的系统，体系系统，体系太阳系太阳系群，组群，组星系星系宇宙宇宙光光/光线光线/光亮光亮 不可能的不可能的在远方在远方联系，交流联系，交流noneenvironmentthatsolarsystemsolar systemgroupgalaxyuniverselightimpossibleoutcommunicate The earth is a _ and it _ the sun. Scientis

10、ts think that there has been life on the earth for _ years. planetgoes aroundhundreds of millions ofHowever, have we found life on any other planets yet? The sun and its planets are called _The earth is a _ and it goes around the sun. _ other planets go around the Sun.planet Seventhe solar system 太阳

11、系太阳系the Galaxy / the Galaxy / the Milky Way the Milky Way 银河系银河系There are _ stars in the Milky Way.billions ofOur solar system is part of _.Scientists have discovered many other_ in the universe. So it is _ to imagine how large the universe is.galaxiesgalaxiesimpossibleimpossibleScientists have sent

12、 spaceship to the planet Mars to take photos. They have even sent spaceships to travel outside the solar system. Look at the picture and talk about what you know about Chinese spaceships.Shenzhou-9 is a manned spaceship.Read the passage and choose the best title for it. 1. Anyone out there? 2. Life

13、on the earth 3. The sun and other stars 4. The stars at night The 1st Para. Questions:1.How long has there been life on the earth? 2.Have we found life on any other planets yet?There has been life on the earth for hundreds of millions of years. No, we havent.1.What is called the solar system? What i

14、s it?2.How many planets are there in the solar system?3. Why dont scientists think theyll find life on the other planets? The sun and its planets are called the solar system.It is a small part of the Galaxy / the Milky Way.The 2nd Para. Questions:There are eight planets.Because none of them has an e

15、nvironment like that of the earth. What have scientists discovered? 2. Why is it impossible to imagine how large the universe is? Theyve discovered many other galaxies in the universe. Because they are very far away and their light has to travel for many years to reach us.The 3rd Para. Questions: Sc

16、ientists have _ the planet Mars to _. They have even sent spaceships to _ the solar system. However, no spaceship has travelled _ other stars in our Galaxy.The 4th Para.sent spaceships totake photostravel outsidefar enough to reach1. The earth is a star.2. The sun is a star.3. There is more than one

17、 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.Check the true sentences:Spaceships from the earth have done surveys of the other plane

18、ts, 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.Complete the passage with the words and expression i

19、n the box. Is 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 systemnoneenvironmentcommunicateuniverse 1.成百万年成百万年 2.在其它的行星上在其它的行星上 3.绕太阳转绕太阳转 4.他们中没有人他们中没有人 5.被叫做被叫做 6.太阳系太阳系 7.一小部分一小部分 8.几十亿的星星几十亿的星星 9.在宇宙中在宇宙中 10

20、.许多其他的星系许多其他的星系11.距离好远距离好远 12.不得不，必须不得不，必须13.足够远足够远 14. 如此多如此多 15.和某人联系和某人联系 millions of years on any other planetsgo around the sunnone of thembe calledthe solar systema small part ofbillions of starsin the universemany other galaxiesfar awayhave/has tofar enoughso manycommunicate with sb.1. None o

21、f them has an environment like that of the earth, so scientists do not think they will find life on them.他们中没有一个有像地球这样的环境，因此科他们中没有一个有像地球这样的环境，因此科学家们认为在他们上面找不到生命。学家们认为在他们上面找不到生命。none of 表示（三个以上）一个也没有。做表示（三个以上）一个也没有。做主语时，谓语动词可用单数或复数。主语时，谓语动词可用单数或复数。e.g.我们中没一个人去过火星。我们中没一个人去过火星。 None of us has/have been

22、 to Mars.注意：注意：none 与与no one（nobody） 的区别：的区别：none既可指人也可指物，通常与表范围的既可指人也可指物，通常与表范围的of 短语连用；短语连用；no one(=nobody)只能指人，不能与只能指人，不能与of 短语连用。短语连用。如：如：_ of the reasons was true. A. None B. No one C. All (2) none与数量有关，可回答与数量有关，可回答how many问句，表示问句，表示“一个一个也没有也没有”；而；而no one表示表示“什么人也没有什么人也没有”，可回答，可回答who问句。问句。如如： -

23、Who are you speaking to?-_.-How many students are there in the room?-_.ANo oneNonethat是指示代词。为避免重复，可用是指示代词。为避免重复，可用 that 或或 those 来来代替前面已提到过的人或事物；代替前面已提到过的人或事物； The air in the countryside is fresher than _in the city. The streets in the city are wider and the buildings are taller than _ in the county

24、.1. The environment is much cleaner than _ in the city. thatthosethat2. However, no spaceship has traveled far enough to reach other stars in our Galaxy. 然而，没有一个航天器去到足然而，没有一个航天器去到足以到达我们银河系其他恒星那么远的地方。以到达我们银河系其他恒星那么远的地方。 enough to do adj./ adv. + enough + to do sth. 足够足够，可以，可以 not + adj./ adv. + enoug

25、h + to do sth. 不够不够，不可以，不可以 (1) 我们有足够的钱花。我们有足够的钱花。 We have _. (2) 他跑得够快，很快追上了我们。他跑得够快，很快追上了我们。 He ran _ catch up with us soon. (3) 他年龄不够大，照顾不了自己。他年龄不够大，照顾不了自己。 He _. enough money to spendfast enough toisnt old enough to look after himself3.The sun and its planets are called the solar system.are call

26、ed 是由be 动词+过去分词构成的被动语态,”被叫做”,“被称为”, 如:The pop group is called S.H.E. 那个演唱组合叫S.H.E.4. alone 孤单的,孤独的 lonely 寂寞的,通常指人在心灵上的”寂寞和忧郁”, 带强烈 的感情色彩如:I was alone, but I didnt feel lonely. 我独自一个人,但是我并不感到寂寞.5. prefer (preferred,preferred),表示”宁愿,更喜欢”.如: Which would you prefer, tea or coffee? 茶和咖啡,你更喜欢哪一种?prefer A

27、 to B 喜欢A而不喜欢BI prefer dogs to cats. 我喜欢狗而不喜欢猫.7.What costs a million yuan? 什么东西值一百万. cost “花费钱”,”值钱”. (cost, cost)它的主语 通常是物,常用句型是 sth. cost(sb) some money. 如:这本书花了我20元. This book cost me 20 yuan.6.with +名词+介词短语,表示伴随情况, with “带着”,”有” 如: The boy ran in, with a ball in his hand.小男孩手里拿着球,跑了进来.Look at t

28、he picture from a science story for children and answer the questions.Weve just heard that our spacecraft has landed on Mars, and weve discovered6Write the story in the picture. Use the answers to the questions in Activity 5 to help you.What have the scientists just received?(a message from one of o

29、ur spaceships)They have just received a message from one of our spaceships.1. Where has the spaceship landed? (Mars)It has landed on Mars. 2. 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)It has discovered people on Mars.

30、We do not know how to send us a message.4. Why have the people on Mars not visited us on the earth? (do not know how to)We do not know how to visit us on the earth. Weve just had some news about the mission to explore 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 the earth because they prefer life on Mars. They have used parts from the other spacecraft from eart