新概念第三冊Lesson55

1、$聽聽 寫寫$Lesson54 Multiple Choice1.b 2.d 3.a 4.c 5.c 6.a 7.c 8.d 9.b 10.b 11.b 12.c $NASA(National Aeronautics and Space Administration)美國航空航天局$Lesson 55 From the earth: GreetingsLing$Do you believe in aliens?Watch the viedo.$Question:Do you believe in aliens?$FROM THE EARTH:GREETINGS$Which life forms

2、 are most likely to develop on distant planet?uIt would be bacteria and plant life.Why is it major achievement to be able to find new planets in space?uBecause they are (relatively speaking) very small and do not emit light.$Why cant all planets support life?uNot all planets can support life because

3、 conditions have to be just right: the size and brightness of its star (orsun) have to be just right, too.What will be one of the great astronomical projects of the twenty-first century?uIt will be the development of a telescope capable of detecting the presence of life on distant planets.$astronomy

4、relative infinitelysolarVenusMarsorbit astronomicalgenerateparticleJupiterblotanalysebacteriaoxygenrealmendeavourNew words and expressions$The Solar Systemorbit$ solar adj. 太陽的；太陽能的 system 太陽系 radiation 太陽輻射 cell 太陽能電池 lunar adj. 月球的；月亮的 a eclipse 月食$ a total solar eclipse a total lunar a partial so

5、lar a partial lunar 全食，偏食$ orbit n. (天體等運行的）軌道 be put into around the earth 被送上了環(huán)繞地球的軌道 （人、組織等的）影響范圍、勢力范圍 come/fall/be within sbs 進入/落入/屬于某人的勢力范圍 v. (around) sth 沿軌道運行；圍繞.運動 e.g - The earth takes a year to orbit the sun.$ astronomy n. 天文學(xué) astronomical adj. 天文學(xué)的;(數(shù)量、價格等）極其巨大的 e.g - The figures are .

6、這些都是天文數(shù)字。 astronomer n. 天文學(xué)家 Words relate to astronomy:$ astrology 占星學(xué) astronaut 宇航員 astrophysics 天體物理學(xué) Big Dipper 北斗七星 cluster 星團 constellation 星群，星座 cosmos 宇宙 cosmology 宇宙學(xué) galaxy 星系 milky way 銀河系 meteor 流星 nebula 星云 polestar 北極星 revolution 公轉(zhuǎn) rotation 自轉(zhuǎn) astro-: star$Close your book and listen ag

7、ain.$Recent developments in astronomy have made it possible to detect planets in our own Milky Way and in other galaxies.detect v. 發(fā)現(xiàn)，查明detectable adj. 察覺得到的detective n. 偵探make 使變得，使成為“make+賓語+賓語補足語”$小結(jié)：一、“make賓語n.” 意為“使、讓某人 / 某物(成為)”。如：e.g - We made him captain of our football team. 我們推選他作我們足球隊隊長。二

8、、“make賓語adj.” 意為 “使某人 / 某事(變得)”。如：e.g - The news that our team had won made us very happy. 我們隊贏了的消息使我們大家非常高興。 $三、“make賓語do sth.（不帶to的不定式）”意為 “使某人做某事”。如:e.g - Our teacher makes us feel more confident. 老師使得我們感到更自信了。四、“make賓語-ed（過去分詞作賓補）”這個結(jié)構(gòu)指賓語接受后面的那個動作，表示被動的意思，意為 “使某人 / 某事被”。如：e.g - The strange noise

9、 made us frightened. 奇怪的聲音使我們感到恐懼。e.g - The good news made us excited. 這個好消息使我們興奮。$This is a major achievement because, in relative terms, planets are very small and do not emit light.in relative terms 相對來說relative adj. 相比較而言的e.g - 幸福是一個相對的概念。 - Happiness is a concept.relativity n.相對性the throry of 相

10、對論$Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.譯1：光是想出這個主意已經(jīng)很困難了，實行起來更是難上加難。Just coming up with this idea is proving hard enough, but putting it into practice will prove infinitely more difficult.$譯2：找到一份工作已屬不易，找一份高薪的工作就更是難上加難了。Finding a job

11、is proving hard enough, but finding one with a high salary will prove infinitely more difficult.$infinitely adv. 無限地，無窮地;非常e.g - 你的英語比我的德語好太多了。 - Your English is better than my German.e.g - 人類的適應(yīng)力是無限的。 - Human beings are adapatable.infinite adj. infinity n.$To see a world in a grain of sandAnd a hea

12、ven in a wild flower,Hold infinity in the palm of your handAnd eternity in an hour.William BlakeTo see a world in a grain of sand一沙見世界,一花窺天堂。手心握無限,須臾納永恒。在一顆沙粒中見一個世界，在一朵鮮花中見一片天空，在你的掌心里把握無限，在一個鐘點里把握無窮。從一粒沙看世界，從一朵花看天堂，把永恒納進一個時辰，把無限握在自己手心。一花一世界，一沙一天國，君掌盛無邊，剎那含永劫。$The first question to answer is whether

13、a planet can actually support life.to answer不定式做后置定語whether a planet can actually support life是表語從句$In our own solar system, for example, Venus is far too hot and Mars is far too cold to support life.far可以與too及原級形容詞連用，表“太過于”e.g - It is far too dangerous to go out in a storm - 暴風(fēng)中外出太過危險。e.g - He is f

14、ar too busy to deal with the trifles - 他太忙碌，無暇處理這些瑣碎的事情。$Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.Whether a planet can support life depends on the size and brightness of its star, that is its sun.depend on依賴

15、,依靠;取決于,隨而定e.g - 結(jié)果將依我們表現(xiàn)的好壞而定。 - The outcome will depend on how well we perform.$Imagine a star up to twenty times larger, brighter and hotter than our own sun. A planet would have to be a very long way from it to be capable of supporting life.Alternatively, if the star were small, the life-support

16、ing planet would have to have a close orbit round it and also provide the perfect conditions for life forms to vide sb. with vide sth. for sb.$But how would we find such a planet? At present, there is no telescope in existence that is capable of detecting the presence of life.at pr

17、esent現(xiàn)在,目前in existence 存在come into existence 開始存在believe in the existence of . 相信.的存在$ 他過去不相信上帝的存在，但是現(xiàn)在他相信了。 He didnt believe in the existence of God, but now he does. 這是現(xiàn)存最古老的希伯來語（Hebrew）手稿。 This is the oldest Hebrew manuscript in existence. 巴基斯坦（Pakistan）在戰(zhàn)后開始作為一個獨立的國家存在。 Pakistan came into existe

18、nce as an independent country after the war.$It is impossible to look for life on another planet using earth-based telescopes.-based 以.為重要部分（或特征）；以.為主e.g - lead-based paints - 鉛基涂料e.g - 以階級為特征的社會 - a class-based society$Our own warm atmosphere and the heat generated by the telescope would make it im

19、possible to detect objects as small as planets.generate heat/electricity/power/income/profit new ideas intereste.g - 嚴(yán)重的失業(yè)會引發(fā)一系列社會問題。 - Serious unemployment will generate a series of social problems.$Even a telescope in orbit round the earth, like the very successful Hubble telescope, would not be s

20、uitable because of the dust particles in our solar system.particle 顆粒；微粒e.g - There is not a particle of truth of what he said. - 他的話沒有一點是真的。$ e.g - 沒有絲毫支持這個論點的證據(jù)。 - There was not a particle of truth of evidence to support the case. (physics) 粒子 accelerator 粒子加速器$Once we detected a planet, we would

21、have to find a way of blotting out the light from its star, so that we would be able to see the planet properly and analyze its atmosphere.so that目的狀語從句so that“以便，為了”引導(dǎo)一個表示目的的狀語從句，此時可與 in order that 換用；從句謂語中常用情態(tài)動詞 may/might, can/could, should, would 等；analyze = analyse (NAmE)analysis n.$ blot v. (-t

22、t-) 遮蓋；有意地忘記 n. 污點；墨漬 blot sth out / blot out sth e.g - Clouds blotted out the sun. - He tried to blot out the image of Helens sad face. idom: a blot on the landscape 影響景觀的物體（尤指丑陋的建筑物）$In the first instance, we would be looking for plant life, rather than little green men.for instance 例如in the first

23、 instance 第一；首先e.g - 起初我想拒絕，但后來還是重新考慮了。 - In the first instance I was inclined to refuse, but then I reconsidered.$The life forms most likely to develop on a planet would be bacteria.bacteria plural or singular ?bacteriumdatumdata, mediummedia, bacteriumbacteria, curriculumcurricula$For most of the earths history they have been the only form of life on our