新概念第三冊(cè) LessonPPT學(xué)習(xí)教案

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1、會(huì)計(jì)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(yè)/共47頁(yè)第2頁(yè)/共47頁(yè)第3頁(yè)/共47頁(yè)第4頁(yè)/共47頁(yè)Do you believe in aliens?Watch the viedo.第5頁(yè)/共47頁(yè)Question:Do you believe in aliens?第6頁(yè)/共47頁(yè)FROM THE EARTH:GREETINGS第7頁(yè)/共47頁(yè)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(yè)/共47頁(yè)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(yè)/共47頁(yè)astronomyrelative infinitelysolarVenusMarsorbit ast

4、ronomicalgenerateparticleJupiterblotanalysebacteriaoxygenrealmendeavour第10頁(yè)/共47頁(yè)The Solar Systemorbit第11頁(yè)/共47頁(yè)solar adj.太陽(yáng)的；太陽(yáng)能的 system太陽(yáng)系 radiation太陽(yáng)輻射 cell太陽(yáng)能電池lunar adj.月球的；月亮的a eclipse 月食第12頁(yè)/共47頁(yè)a total solar eclipsea total lunar a partial solar a partial lunar 全食，偏食第13頁(yè)/共47頁(yè)orbit n.(天體等運(yùn)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(shì)力范圍come/fall/be within sbs 進(jìn)入/落入/屬于某人的勢(shì)力范圍v.(around)sth 沿軌道運(yùn)行；圍繞.運(yùn)動(dòng)e.g-The earth takes a year to orbit the sun.第14頁(yè)/共47頁(yè)astronomy n.天文學(xué)astronomical adj.天文學(xué)的;(數(shù)量、價(jià)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(yè)/共

6、47頁(yè)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(yè)/共47頁(yè)Close your book and listen again.第17頁(yè)/共47頁(yè)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(jué)得到的detective n.偵探make 使變得，使成為“make+賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)”第18頁(yè)/共47頁(yè)小結(jié)：一、“make賓語(yǔ)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(duì)隊(duì)長(zhǎng)。二、“make賓語(yǔ)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(duì)贏了的消息使我們大家非常高興。第19頁(yè)/共47頁(yè)三、“make賓語(yǔ)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(yǔ)-ed（過(guò)去分詞作賓補(bǔ)）”這個(gè)結(jié)構(gòu)指賓語(yǔ)接受后面的那個(gè)動(dòng)作，表示被動(dòng)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(gè)好消息使我們興奮。第20頁(yè)/共47頁(yè)This is a major achievement because,in relative terms,planets are very small and do not emit light.in relative terms 相對(duì)來(lái)說(shuō)relative adj.相比較而言的e.g-幸福是一個(gè)相對(duì)的概念。-Happiness is a concept.relativity n.相對(duì)性the throry of 相對(duì)論第21頁(yè)/共47頁(yè)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(gè)主意已經(jīng)很困難了，實(shí)行起來(lái)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(yè)/共47頁(yè)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(yè)/共47頁(yè)infinitely adv.無(wú)限地，無(wú)窮地;非常e.g-你的英語(yǔ)比我的德語(yǔ)好太多了。-Your English is better than my German.e.g-人類(lèi)的適應(yīng)力是無(wú)限的。-Human beings are adapatable.infinite adj.infinity n.第24頁(yè)/共47頁(yè)grain of sand一沙見(jiàn)世界,一花窺天堂。手心握無(wú)限,須臾納永恒。在一顆沙粒中見(jiàn)一個(gè)世界，在一朵鮮花中見(jiàn)一片天空，在你的掌心里把握無(wú)限，在一個(gè)鐘點(diǎn)里把握無(wú)窮。從一粒沙看世界

12、，從一朵花看天堂，把永恒納進(jìn)一個(gè)時(shí)辰，把無(wú)限握在自己手心。一花一世界，一沙一天國(guó)，君掌盛無(wú)邊，剎那含永劫。第25頁(yè)/共47頁(yè)The first question to answer is whether a planet can actually support life.to answer不定式做后置定語(yǔ)whether a planet can actually support life是表語(yǔ)從句第26頁(yè)/共47頁(yè)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(jí)形容詞連用，表“太過(guò)于”e.g-It is far too dangerous to go out in a storm -暴風(fēng)中外出太過(guò)危險(xiǎn)。e.g-He is far too busy to deal with the trifles -他太忙碌，無(wú)暇處理這些瑣碎的事情。第27頁(yè)/共47頁(yè)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(yè)/共47頁(yè)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(yè)/共47頁(yè)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(kāi)始存在believe in the existence of.相信.的存在第30頁(yè)/共47頁(yè)第31頁(yè)/共47頁(yè)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(jí)為特征的社會(huì) -a class-based society第32頁(yè)/共47頁(yè)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(huì)引發(fā)一系列社會(huì)問(wèn)題

18、。-Serious unemployment will generate a series of social problems.第33頁(yè)/共47頁(yè)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(méi)有一點(diǎn)是真的。第34頁(yè)/共47頁(yè)第35頁(yè)/共47頁(yè)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(yǔ)從句so that“以便，為了”引導(dǎo)一個(gè)表示目的的狀語(yǔ)從句，此時(shí)可與 in order that 換用；從句謂語(yǔ)中常用情態(tài)動(dòng)詞 may/might,can/could,shoul

20、d,would 等；analyze=analyse(NAmE)analysis n.第36頁(yè)/共47頁(yè)第37頁(yè)/共47頁(yè)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(lái)還是重新考慮了。-In the first instance I was inclined to refuse,but then I reconsidered.第38頁(yè)/共47頁(yè)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(yè)/共47頁(yè)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(yè)/共47頁(yè)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(yè)/共47頁(yè)Close your book and listen again.第42頁(yè)/共47頁(yè)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(yè)/共47頁(yè)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(yè)/共47頁(yè)單詞背誦課后習(xí)題聽(tīng)抄（第三段）Homework第45頁(yè)/共47頁(yè)THE END第46頁(yè)/共47頁(yè)