新概念第三冊 LessonPPT學(xué)習(xí)教案

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1、會計學(xué)1Lesson54 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 第1頁/共47頁第2頁/共47頁第3頁/共47頁第4頁/共47頁Do you believe in aliens?Watch the viedo.第5頁/共47頁Question:Do you believe in aliens?第6頁/共47頁FROM THE EARTH:GREETINGS第7頁/共47頁Which life forms are most likely to develop on distant planet?uIt

2、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.第8頁/共47頁Why cant all planets support life?uNot all planets can support life because conditions have to be just right:the size an

3、d 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.第9頁/共47頁astronomyrelative infinitelysolarVenusMarsorbit ast

4、ronomicalgenerateparticleJupiterblotanalysebacteriaoxygenrealmendeavour第10頁/共47頁The Solar Systemorbit第11頁/共47頁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 月食第12頁/共47頁a total solar eclipsea total lunar a partial solar a partial lunar 全食,偏食第13頁/共47頁orbit n.(天體等運行的)軌道b

5、e 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(jìn)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.第14頁/共47頁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.這些都是天文數(shù)字。astronomer n.天文學(xué)家Words relate to astronomy:第15頁/共

6、47頁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(tuán)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第16頁/共47頁Close your book and listen again.第17頁/共47頁Recent developments in astronomy have made it pos

7、sible 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”第18頁/共47頁小結(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、“make賓語adj.”意為“使某人/某事(變得)”。如:e.g-The news that our tea

8、m had won made us very happy.我們隊贏了的消息使我們大家非常高興。第19頁/共47頁三、“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 made us frightened.奇怪的聲音使我們感到恐懼。e.g-The good news made us excit

9、ed.這個好消息使我們興奮。第20頁/共47頁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 相對論第21頁/共47頁Finding planets is proving hard enough,but finding life

10、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.第22頁/共47頁譯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 is proving hard enough,but finding one with a high sa

11、lary will prove infinitely more difficult.第23頁/共47頁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.第24頁/共47頁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

12、,從一朵花看天堂,把永恒納進(jìn)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。第25頁/共47頁The first question to answer is whether a planet can actually support life.to answer不定式做后置定語whether a planet can actually support life是表語從句第26頁/共47頁In our own solar system,for example,Venus is far too hot and Mars is far too cold to suppo

13、rt 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 far too busy to deal with the trifles -他太忙碌,無暇處理這些瑣碎的事情。第27頁/共47頁Only the Earth provides ideal conditions,and even here it has taken more than four billion years for plant and animal life to evolve.

14、Whether a planet can support life depends on the size and brightness of its star,that is its sun.depend on依賴,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.第28頁/共47頁Imagine a star up to twenty times larger,brighter and hotter than our own sun.A planet would have to be a

15、very long way from it to be capable of supporting life.Alternatively,if the star were small,the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.provide sb.with sth.provide sth.for sb.第29頁/共47頁But how would we find suc

16、h a planet?At present,there is no telescope in existence that is capable of detecting the presence of life.at present現(xiàn)在,目前in existence 存在come into existence 開始存在believe in the existence of.相信.的存在第30頁/共47頁第31頁/共47頁It is impossible to look for life on another planet using earth-based telescopes.-based

17、 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第32頁/共47頁Our own warm atmosphere and the heat generated by the telescope would make it impossible 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

18、。-Serious unemployment will generate a series of social problems.第33頁/共47頁Even a telescope in orbit round the earth,like the very successful Hubble telescope,would not be suitable 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

19、話沒有一點是真的。第34頁/共47頁第35頁/共47頁Once we detected a planet,we would 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,shoul

20、d,would 等;analyze=analyse(NAmE)analysis n.第36頁/共47頁第37頁/共47頁In the first instance,we would be looking for plant life,rather than little green men.for instance 例如in the first 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.第38頁/共47頁The life

21、forms most likely to develop on a planet would be bacteria.bacteria plural or singular?bacteriumdatumdata,mediummedia,bacteriumbacteria,curriculumcurricula第39頁/共47頁For most of the earths history they have been the only form of life on our planet.But this hope is always in the realms of science ficti

22、on.If we were able to discover lowly forms of life like bacteria on another planet,it would completely change our view of ourselves.realm:an area of activity,interest,or knowledgee.g-in the realm of literature -在文學(xué)領(lǐng)域第40頁/共47頁As Daniel Goldin of NASA ovserved,Finding life elsewhere would change every

23、thing.No human endeavour or thought would be unchanged by it.formorAdministratorofNASA第41頁/共47頁Close your book and listen again.第42頁/共47頁Tell us about a science-fiction film that you have seen and enjoyed and would recommend to other people.Topics for discussion第43頁/共47頁The text says that if we were to discover life on another planet,it would completely change our view of ourselves.Would it?How?第44頁/共47頁單詞背誦課后習(xí)題聽抄(第三段)Homework第45頁/共47頁THE END第46頁/共47頁

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