新外研版八年級下冊英語 Module 3 Unit 2 教學(xué)課件

1、Module 3Journey to spaceUnit 2學(xué)習(xí)目標words and expressions: none, environment, that, solar, system, solar system, group, galaxy, universe, light, impossible, take-took-taken, out, communicateStructures: Scientists think that there has been life on the earth for hundreds of millions of years. However, w

2、e have not found life on any other planets yet. Scientists have also discovered many other galaxies in the universe. It is impossible to imagine. Discuss something about the universe. The Earth, the Sun, Mars, the moon No, maybe there will be in the future.1. How many planets are there in the univer

3、se? 2. Is there any life on other planets?新課導(dǎo)入Yuri Gagarin, Soviet Union12, April,1961 新課導(dǎo)入1968 年12月27日,阿波羅8號第一次載人的月球行動，在完成了歷時六天的歷史性航行之后，安全返回地球。新課導(dǎo)入1986年1月28日,“挑戰(zhàn)者”號航天飛機在肯尼迪航天中心發(fā)射升空不久后爆炸。新課導(dǎo)入埃德溫艾爾德林 環(huán)繞地球飛行的宇航員每“天”可以看見16次日出和16次日落。新課導(dǎo)入Who is he?He is Chinas first astronaut.新課導(dǎo)入 The Shenzhou-V spacecra

4、ft orbited the Earth 14 times at an altitude of 343 kilometres. The space flight lasted 21 hours by Yang Liwei in October, 2003. Yang Liwei was called “Chinas first astronaut”.新課導(dǎo)入Words and expressionspron. 沒有一個n. 環(huán)境adj. 太陽的，與太陽有關(guān)的n.系統(tǒng)，體系星系，(尤指)太陽系n. 群，組n. 星系 n. 宇宙adj. (事情)辦不到的，不可能的v. 聯(lián)系，交流noneenvir

5、onmentsolarsystemsolar systemgroupgalaxyuniverseimpossiblecommunicate新課講解A. galaxyB. planet C. solar systemD. star E. universe ABCDEB1Match the words with the pictures.新課講解1. Anyone out there?2. Life on earth3. The sun and the stars4. The stars at night2Read the passage and choose the best title for

6、 it. 新課講解()()()()()()31. 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.6. Spaceships have visited most of the unive

7、rse.Check () the true sentences.新課講解Is there life on other planets? There areeight planets in our _,but _ ofthem has a(n) _like that of theearth.Spaceships from the earth have donesurveys of other planets, but they have not foundany life there. Why has no one from other planetstried to _ with us? It

8、 is true that scientistshave not discovered life on other planets in the_yet, but some scientists do not _ thatthey can find it some day.solar systemenvironmentnonecommunicateuniversedoubt4communicate doubt environment none solar system universeComplete the passage with the words and expression in t

9、he box.新課講解Language Points1.However, we have not found life on any other planetsyet.但是，我們在其他星球上還沒有發(fā)現(xiàn)生命。 the other (s)與other (s)的區(qū)別：(1) the other與other后可加名詞; the others與others后不加名詞；(2) the other (s)表示一定范圍內(nèi)除去一部分以外后其余 的全體；other (s)表示除去一部分以后的（一些）， 但不是剩下 的全體。新課講解 One flower is red, the other (one) is whi

10、te.一朵花是紅的，另一朵 (花) 是白的。Give me some other apples/others, please!請另給我一些（蘋果）吧！新課講解2. None of them has an environment like that of the earth. 它們中沒有一個有像地球這樣的環(huán)境。no one與none的區(qū)別：(1) no one同義詞為 nobody, 只用于指人，其后不跟of短語，作主語時謂語用單數(shù)，no one 只能回答以who開頭的問句；新課講解(2) none用于表示對三者或三者以上全部否定，既可指人，也可指物。作主語時，謂語可以是單數(shù)，也可以是復(fù)數(shù); n

11、one的反義詞是all, none可與of連用; 可以用來回答How many 或 How much開頭的問句。新課講解None of us are/is interested in the story.我們沒有人對那個故事感興趣。Who are you speaking to?你在跟誰講話？No one. 沒人。How many students are there in the room?房間里有多少個學(xué)生?None.一個也沒有。新課講解3. With so many stars in the universe, are we alone？宇宙中有這么多的恒星，我們是唯一的嗎？alone與

12、lonely的區(qū)別：(1) alone既可作形容詞，又可作副詞,意為“單獨的/地，獨自的/地”，沒有感情色彩。(2) lonely只作為形容詞，意為“孤獨的，寂寞的”，具有感情色彩。He lived alone after his wife left，so he was very lonely .他妻子離開后，他一個人生活，所以他很孤獨。新課講解 Theyve just heard a message from a spaceship.5Look at the cartoon picture and answer the questions. What have the scientists

13、just heard? (a message from a spaceship)新課講解1. Where has the spaceship landed? (Mars)2. What has the spaceship discovered? (people)3.Why have the people on Mars not sent us a message? (dont know how to)4. Why have the people on Mars not visited us on earth? (dont know how to)新課講解6Write the story in

14、the picture. Use the answers to the questions in Activity 5 to help you.Weve just heard that our spacecraft has landed on Mars, and weve discovered新課講解Possible version:Weve just had some news about the mission to explore Mars. Scientists have just heard that the spaceship has landed on Mars and has

15、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 earth to make TVs, radios and cars.新課講解一、根據(jù)中文意思或首字母提示，用單詞的適當(dāng)形式填空。1.Scientists have discovered many o

16、ther p_in the universe.2.Taiwan is a p_of China for ever.3.L_travels much faster than sound.4.We cant live without a_.5.We need a quiet _ (環(huán)境) to study for a coming exam.6.I think every child should _ (交流) with his parents.lanetsartightirenvironment communicate當(dāng)堂小練當(dāng)堂小練二、單項填空。( )1.The earth_ a planet

17、 and it_ around the sun. A.are；go B.was；went C.is；go D.is；goes ( )2.There has been life_ the earth for hundreds of millions of years. A.in B.on C.of D.at( )3.He promised to pick me up at the school gate.However, he_ yet. A.didnt arrive B.doesnt arrive C.isnt arriving D.hasnt arrivedDBD當(dāng)堂小練( )4.Why h

18、as no one communicated_ us? A.with B.to C.for D.at( )5.It is said that the disease has killed more than_ people worldwide. A.two hundreds B.two hundreds C.two hundreds D.two hundredAD當(dāng)堂小練三、根據(jù)句意和漢語提示完成句子。1.地球是一顆行星，它圍繞著太陽轉(zhuǎn)動。 The earth is a _and it _ the sun.2.其他七大行星也圍繞太陽轉(zhuǎn)動。 _ also go around the sun.3.科學(xué)家們已經(jīng)在宇宙中發(fā)現(xiàn)了許多其他的星系。 Scientists have _ galaxies in the _.planetgoes aroundSeven other planetsdiscovered many otheruni