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高中英语Unit 6 Nurturing nature课前预习课件ppt
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这是一份高中英语Unit 6 Nurturing nature课前预习课件ppt，共53页。PPT课件主要包含了length，现在分词短语作状语，现在完成进行时，同位语，过去分词作后定，过去分词短语作状语，Examples，n 礼物，目的状语等内容，欢迎下载使用。
Part 1Starting Out
Munt Kilimanjar乞力马扎罗山Tanzania 坦桑尼亚
Uluru, 乌鲁鲁,Australia 澳大利亚
Iguazú Falls 伊瓜苏瀑布Argentina and Brazil 阿根廷和巴西
Huanglng 黄龙China 中国
Starting ut
▪ Lk at the pictures and answer the questins.1. What d yu knw abut these places?2. What d these places have in cmmn?
Lcated in the nrth f Sichuan Prvince, Huanglng is a histric and scenic area widely knwn fr its ht springs and waterfalls, valleys, snw-capped peaks and frest. The area als has a ppulatin f endangered animals, including pandas and snub-nsed mnkeys.
▪ Huanglng 黄龙China 中国
The Iguazú Falls riginate frm the Iguazú River and are lcated n the brder f Argentina and Brazil. The heights f the falls vary frm 60 metres t 82 metres.
▪ Iguazú Falls 伊瓜苏瀑布Argentina and Brazil 阿根廷和巴西
Munt Kilimanjar is lcated in the nrth-east f Tanzania. It is at 5,895 metres abve sea level and is the highest muntain in Africa. Surrunded by frest, it is als the wrld’s highest free-standing muntain.
▪ Munt Kilimanjar乞力马扎罗山Tanzania 坦桑尼亚
Uluru is a large sandstne rck frmatin in the suth-west f Australia’s Nrthern Territry. A sacred site t indigenus Australians, Uluru rises 348 metres abve the desert plain and reaches a height f 863 metres abve sea level.
▪ Uluru, 乌鲁鲁,Australia 澳大利亚
▪ Watch the vide and answer the questins.1. What are the three types f Wrld Heritage Sites？2. What ther natural heritage sites in China d yu knw f?
What are the three types f Wrld Heritage Sites？2. What ther natural heritage sites in China d yu knw f?
There are three types f the Wrld Heritage Sites, cultural, natural and mixed. A mixed heritage site is a site that has bth cultural and natural significance.
Jiuzhaigu Naturae Reserve,Munt Tianshan,Hh Xil（可可西里）,……
Part 2Understanding Ideas
Pre-reading: Quiz
Wrk in pairs and cmplete the quiz. Try t guess if yu are nt sure f the answers.
p.62 Activity 1
1. Which is the highest railway in the wrld? a. The Trans-Siberian Railway. b. The Qinghai-Tibet Railway. c. The Chengdu-Kunming Railway.
2. In which year was the cmpleted Qinghai-Tibet Railway put int peratin? a. 1984. b. 2001. c. 2006.
3. Which f these statins is nt n the Qinghai-Tibet Railway? a. Lhasa b. Glmud. c. Lanzhu.
4. Which f these natural Wrld Heritage Sites des the Qinghai-Tibet Railway pass by? a. Xinjiang Tianshan. b. Qinghai Hh Xil. c. Suth China Karst.
The Suth China Karst regins: Shilin Karst (in Yunnan Prvince), Lib Karst (in Guizhu Prvince), and Wulng Karst (in Chngqing Municipality).
Once believed “impssible”, the highest railway in the wrld is a recrd f the effrts f the wrkers t vercme the mst difficult engineering challenges.
What is the text abut?
p.62 Activity 2
Please find ut the travelling rute.
While-reading
Read the passage and find ut why the railway is particularly special t the authr.
Para. 1 A. Hw t prevent damage t wetlands and grasslands.Para. 2 B. Hw t prtect Cuna Lake.Para. 3 C. The train leaves Xining.Para. 4 D. Hw t prtect wild animals.Para. 5 E. We cnsider prtecting the delicate ec-system first.Para. 6 F. Hw t make sure the wrkers stayed healthy.Para. 7 G. I'm prud we built ur"Sky Railway".
Match the main idea with each paragraph.
1. Many freign experts claimed the Qinghai-Tibet Railway was .2. The Sky Railway was built n the “rf f the wrld”． T r F
Read the para.1 and answer the questins:
Sitting back in my seat, I can't quite believe that I'm abut t travel alng the railway that many freign experts claimed was “impssible”. The train has been racing alng steadily since it left Xining. All this time, the sng “Sky Railway” has been playing inside my head. The wrds “railways like massive dragns are winding amng the muntains” seem particularly vivid as I travel acrss the “rf f the wrld”.
“一条条巨龙翻山越岭”
黄昏我站在高高的山岗 盼望铁路修到我家乡一条条巨龙翻山越岭 为雪域高原送来安康
3．Accrding t the text，what is the writer?A．A traveller.B．A wrker n the train.C．A wildlife prtectr.D．A cnstructin wrker.4. When building the railway, engineers take ecsystem int cnsideratin.
(True r False)
Read the para.2 and answer the questins:
I was ne f the peple wh came frm all parts f China t wrk n this railway. Taking years t cmplete, the Qinghai-Tibet Railway is a recrd f all f ur effrts t vercme the mst difficult engineering challenges. Hw t prtect the delicate ecsystem was amng the tp cncerns.
“记录了我们克服最困难工程所做的一切努力”
5. What measure was taken t prtect wild animals?A. Building the wrld's lngest bridge.B. Building passages under the railway.C. Frbidding hunting the wild animals. D. Mving the wild animals t the fixed areas.
Read the para.3 and answer the questin:
The first landmark t catch my eye is the splendid Qingshuihe Bridge, the wrld's lngest bridge built ver permafrst. Lk! A grup f Tibetan antelpes is mving under the bridge, with sme stpping t eat grass at their leisure. Thirty-three passages have been built under the railway t allw the animals t mve safely and freely in their natural habitat. Wild animals such as these Tibetan antelpes have nw been using these passages fr years. They seem ttally unaware that we are speeding past at ver 100 kilmetres an hur.
T prevent damage t wetlands and grasslands, 675 bridges with a ttal length f abut 160 kilmetres were built between Glmud and Lhasa. We even mved 140,000 square metres f wetland t a new area in rder t prtect its distinct ecsystem.
6. T prevent damage wetlands and grasslands, 675 bridges with a ttal (lng) f abut 160 kilmetres were built.
Read the para.4 and answer the questin:
8. What is NOT the challenge fr the wrkers in Tanggula Statin?A．Thin air. B．Changeable weather.C．UV radiatin. D．Breaks.
7. Tanggula Statin was the (high)railway in the wrld.
Read the para.5 and answer the questin:
The jurney has been flying by, and befre I knw it, we have reached Tanggula Statin. Lcated at ver 5,000 metres abve sea level, this is the highest railway statin in the wrld. In lcatins such as this, the thin air, changeable weather and high levels f UV radiatin presented perhaps the greatest challenge fr railway wrkers. T make sure we stayed healthy, several xygen-making statins were cnstructed. We were als able t enjy regular breaks in lwer areas.
9. What was dne t prtect Cuna Lake?A. Building a wall alng the lake.B. Building a passage alng the lake. C. Building a bridge acrss the lake.D. Frbidding building any building alng the lake.
Read the para.6 and answer the questin:
As we pass Cuna Lake, I feel a sense f pride and achievement. Using thusands and thusands f sandbags, we built a twenty-kilmetre wall alng the lake t prtect it frm cnstructin waste. Cuna Lake is s clse t the railway that I want t reach ut and tuch its pale blue mirrr-like surface. Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery t life.
10. What makes the authr feel prud?A. We built the"impssible"railway.B. We prtected the ecsystem.C. We built the“impssible"railway,nt destry the ecsystem. D. Passengers call it "Sky Railway".
Read the para.7 and answer the questin:
The Qinghai-Tibet Plateau has been attracting peple's admiratin fr centuries. Nw, thanks t ur effrts, passengers frm all ver the cuntry have been enjying these magical landscapes. I am prud that we built ur “impssible” railway, and did s with the care that the envirnment deserves. It truly is an extrardinary “Sky Railway”.
1. T prve that humans can cnquer nature.2. T highlight the amunt f wrk required t build the Qinghai-Tibet Railway.3. T praise the wrkers' effrts in building the Qinghai-Tibet Railway.
Chse the authr's purpse in writing the passage.
Part 3Language Pints
Sitting back in my seat, I can’t quite believe that I’m abut t travel alng the railway that many freign experts claimed was “impssible”.
be abut t d sth. 即将做某事
◆claim v. （战争、事故等）夺去（生命）； 声称，断言；索要，索取
claim t d sth./ that ... 声称/主张claim fr 要求/索要某物
◆claim n. 声称，断言；索赔
make a claim fr 要求...，就...提出要求
靠坐在火车的座位上，我简直不敢相信，我将要沿着许多外国专家声称“不可能建成”的铁路旅行。
The train has been racing alng steadily since it left Xining. All this time, the sng “Sky Railway” has been playing inside my head.
火车从西宁出发，向前平稳行驶。一路上，《天路》这首歌一直在我的脑海中回响。
The wrds “railways like massive dragns are winding amng the muntains” seem particularly vivid as I travel acrss the “rf f the wrld”.
wind v.使呼吸困难; 给（婴儿）拍嗝; 蜿蜒; 缠绕; 给…上发条 n.风,气流; 胃气; 呼吸; 趋势
当火车开过“世界屋脊”时，“一条条巨龙翻山越岭”的歌词显得格外生动鲜活。
I was ne f the peple wh came frm all parts f China t wrk n this railway. Taking years t cmplete, the Qinghai-Tibet Railway is a recrd f all f ur effrts t vercme the mst difficult engineering challenges.
recrd v. 记录，记载 n.纪录，记载；唱片
set/ break/ hld a recrd (fr ...) 刷新/ 打破/ 保持 (...的) 纪录
修建青藏铁路的工人来自全国各地，而我就是其中之一。它历时数年建成，凝聚着我们攻克种种工程难题的全部心血。
Hw t prtect the delicate ecsystem was amng the tp cncerns.
“疑问词+不定式”作主语
cncern v.涉及,与...有关；使担心/担忧 n.担心，忧虑，焦虑
express/shw cncern abut/fr sth.对...表示关心
cncerned adj.焦急的,担忧的,关注的,相关的
as far as I’m cncerned 就我而言be cncerned abut/fr 为...担心be cncerned with=get/be invlved with与...有关
cncerning prep. 有关；关于
tp cncern 最关心的问题
其中，如何保护脆弱的生态系统是需要我们首要问题之一。
The first landmark t catch my eye is the splendid Qingshuihe Bridge, the wrld’s lngest bridge built ver permafrst.
catch ne’s eye 吸引某人的注意catch up with 赶上
最先映入眼帘的地标性建筑是壮观的清水河大桥，它是世界上最长的高原冻土铁路桥。
Lk! A grup f Tibetan antelpes is mving under the bridge, with sme stpping t eat grass at their leisure. Thirty-three passages have been built under the railway t allw the animals t mve safely and freely in their natural habitat.
passage n.通道,走廊; 段落; 流逝; 旅程; 通行许可
Wild animals such as these Tibetan antelpes have nw been using these passages fr years. They seem ttally unaware that we are speeding past at ver 100 kilmetres an hur.
speed v. 超速行驶；加快，促进 n.速度，快，迅速
at a speed f 以...的速度
seem unaware that 似乎不知道/未意识到...
就像现在的这群藏羚羊一样，野生动物们使用这些通道已有数年，它们似乎完全没有意识到我们正以每小时100多千米的速度呼啸而过。
T prevent damage t wetlands and grasslands, 675 bridges with a ttal length f abut 160 kilmetres were built between Glmud and Lhasa.
damage v. 损害，毁坏，破坏 n. 损坏，破坏，损失；损害，伤害
d damage t 对...造成损害/破坏
with a ttal length f 总长... lng adj./ lengthen v.
为了避免破坏湿地和草原，我们在格尔木和拉萨之间建造了675座大桥，总长度约160千米。
We even mved 140,000 square metres f wetland t a new area in rder t prtect its distinct ecsystem.
The jurney has been flying by, and befre I knw it, we have reached Tanggula Statin.
in rder t d sth. 为了做某事
fly by/ g by （时间）飞逝
Lcated at ver 5,000 metres abve sea level, this is the highest railway statin in the wrld.
be lcated in/ n/ at ... 坐落于lcatin n.地点，位置
它位于海拔5,000多米的地方，是世界上海拔最高的火车站。
In lcatins such as this, the thin air, changeable weather and high levels f UV radiatin presented perhaps the greatest challenge fr railway wrkers.
present v. 提交；呈现/ n.礼物/ adj. 目前的; 出席的
在这样的高海拔环境中，稀薄的氧气，多变的天气，还有强烈的紫外线辐射，这些恐怕是我们铁路工人面临的最大挑战。
present sth. t sb. = present sb. with sth. 把...交给...；把...授予 present = nw 目前，现在
Can yu tell us smething abut the present situatin?What present did yu receive frm yur parents?There were many peple present.On his birthday, his friends presented him with a watch / presented a watch t him.
adj. 当前的, 现在的（前置）
adj. 在场的, 出席的（后置）
vt. 赠予, 赠给
present sb. with sth. = present sth. t sb.
The present president present at the meeting presented us with presents.
出席会议的现任的总统给我们颁发了礼物
T make sure we stayed healthy, several xygen-making statins were cnstructed. We were als able t enjy regular breaks in lwer areas.
为了确保工人的身体健康，我们建造了多个制氧站。我们还会定期到低海拔地区休整。
make sure 确保,设法保证；查明,核实; 弄清(某事属实或已做)make sure f 查明，弄清楚；确保，设法保证
As we pass Cuna Lake, I feel a sense f pride and achievement. Using thusands and thusands f sandbags, we built a twenty-kilmetre wall alng the lake t prtect it frm cnstructin waste.
a sense f pride and achievement 自豪感和成就感prtect ... frm ... 保护...免受...
火车经过措那湖时，一股自豪感和成就感在我心中油然而生。当年，我们沿着措那湖边用成千上万个沙袋筑起了一道二十千米的保护墙，使它免受建筑废料的污染。
Cuna Lake is s clse t the railway that I want t reach ut and tuch its pale blue mirrr-like surface.
reach ut fr... 伸手去拿……reach ut t sb. 向某人寻求帮助within sb.'s reach 在某人触手可及的地方ut f sb.'s reach 在某人手够不到的地方beynd sb.'s reach 超出(某人)的理解范围
reach ut 伸出(手) ---及物&不及物短语
现在，措那湖离火车这么近，我好想伸手去触摸它那镜面似的浅蓝色湖面。
Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery t life.
bring ... t life 使...更有趣；使...更生动
cme t life 苏醒，活跃起来save/ lse ne’s life 拯救/失去某人的生命live/ lead a ... life 过着...的生活
湖中嬉戏的水鸟，在草原上游荡的牛羊，让这片风景充满勃勃生机。
Nw, thanks t ur effrts, passengers frm all ver the cuntry have been enjying these magical landscapes.
all ver the cuntry 全国
如今，由于我们的努力，来自全国各地的旅客都能亲眼观赏到这片神奇的土地。
Part 1Starting Out
Munt Kilimanjar乞力马扎罗山Tanzania 坦桑尼亚
Uluru, 乌鲁鲁,Australia 澳大利亚
Iguazú Falls 伊瓜苏瀑布Argentina and Brazil 阿根廷和巴西
Huanglng 黄龙China 中国
Starting ut
▪ Lk at the pictures and answer the questins.1. What d yu knw abut these places?2. What d these places have in cmmn?
Lcated in the nrth f Sichuan Prvince, Huanglng is a histric and scenic area widely knwn fr its ht springs and waterfalls, valleys, snw-capped peaks and frest. The area als has a ppulatin f endangered animals, including pandas and snub-nsed mnkeys.
▪ Huanglng 黄龙China 中国
The Iguazú Falls riginate frm the Iguazú River and are lcated n the brder f Argentina and Brazil. The heights f the falls vary frm 60 metres t 82 metres.
▪ Iguazú Falls 伊瓜苏瀑布Argentina and Brazil 阿根廷和巴西
Munt Kilimanjar is lcated in the nrth-east f Tanzania. It is at 5,895 metres abve sea level and is the highest muntain in Africa. Surrunded by frest, it is als the wrld’s highest free-standing muntain.
▪ Munt Kilimanjar乞力马扎罗山Tanzania 坦桑尼亚
Uluru is a large sandstne rck frmatin in the suth-west f Australia’s Nrthern Territry. A sacred site t indigenus Australians, Uluru rises 348 metres abve the desert plain and reaches a height f 863 metres abve sea level.
▪ Uluru, 乌鲁鲁,Australia 澳大利亚
▪ Watch the vide and answer the questins.1. What are the three types f Wrld Heritage Sites？2. What ther natural heritage sites in China d yu knw f?
What are the three types f Wrld Heritage Sites？2. What ther natural heritage sites in China d yu knw f?
There are three types f the Wrld Heritage Sites, cultural, natural and mixed. A mixed heritage site is a site that has bth cultural and natural significance.
Jiuzhaigu Naturae Reserve,Munt Tianshan,Hh Xil（可可西里）,……
Part 2Understanding Ideas
Pre-reading: Quiz
Wrk in pairs and cmplete the quiz. Try t guess if yu are nt sure f the answers.
p.62 Activity 1
1. Which is the highest railway in the wrld? a. The Trans-Siberian Railway. b. The Qinghai-Tibet Railway. c. The Chengdu-Kunming Railway.
2. In which year was the cmpleted Qinghai-Tibet Railway put int peratin? a. 1984. b. 2001. c. 2006.
3. Which f these statins is nt n the Qinghai-Tibet Railway? a. Lhasa b. Glmud. c. Lanzhu.
4. Which f these natural Wrld Heritage Sites des the Qinghai-Tibet Railway pass by? a. Xinjiang Tianshan. b. Qinghai Hh Xil. c. Suth China Karst.
The Suth China Karst regins: Shilin Karst (in Yunnan Prvince), Lib Karst (in Guizhu Prvince), and Wulng Karst (in Chngqing Municipality).
Once believed “impssible”, the highest railway in the wrld is a recrd f the effrts f the wrkers t vercme the mst difficult engineering challenges.
What is the text abut?
p.62 Activity 2
Please find ut the travelling rute.
While-reading
Read the passage and find ut why the railway is particularly special t the authr.
Para. 1 A. Hw t prevent damage t wetlands and grasslands.Para. 2 B. Hw t prtect Cuna Lake.Para. 3 C. The train leaves Xining.Para. 4 D. Hw t prtect wild animals.Para. 5 E. We cnsider prtecting the delicate ec-system first.Para. 6 F. Hw t make sure the wrkers stayed healthy.Para. 7 G. I'm prud we built ur"Sky Railway".
Match the main idea with each paragraph.
1. Many freign experts claimed the Qinghai-Tibet Railway was .2. The Sky Railway was built n the “rf f the wrld”． T r F
Read the para.1 and answer the questins:
Sitting back in my seat, I can't quite believe that I'm abut t travel alng the railway that many freign experts claimed was “impssible”. The train has been racing alng steadily since it left Xining. All this time, the sng “Sky Railway” has been playing inside my head. The wrds “railways like massive dragns are winding amng the muntains” seem particularly vivid as I travel acrss the “rf f the wrld”.
“一条条巨龙翻山越岭”
黄昏我站在高高的山岗 盼望铁路修到我家乡一条条巨龙翻山越岭 为雪域高原送来安康
3．Accrding t the text，what is the writer?A．A traveller.B．A wrker n the train.C．A wildlife prtectr.D．A cnstructin wrker.4. When building the railway, engineers take ecsystem int cnsideratin.
(True r False)
Read the para.2 and answer the questins:
I was ne f the peple wh came frm all parts f China t wrk n this railway. Taking years t cmplete, the Qinghai-Tibet Railway is a recrd f all f ur effrts t vercme the mst difficult engineering challenges. Hw t prtect the delicate ecsystem was amng the tp cncerns.
“记录了我们克服最困难工程所做的一切努力”
5. What measure was taken t prtect wild animals?A. Building the wrld's lngest bridge.B. Building passages under the railway.C. Frbidding hunting the wild animals. D. Mving the wild animals t the fixed areas.
Read the para.3 and answer the questin:
The first landmark t catch my eye is the splendid Qingshuihe Bridge, the wrld's lngest bridge built ver permafrst. Lk! A grup f Tibetan antelpes is mving under the bridge, with sme stpping t eat grass at their leisure. Thirty-three passages have been built under the railway t allw the animals t mve safely and freely in their natural habitat. Wild animals such as these Tibetan antelpes have nw been using these passages fr years. They seem ttally unaware that we are speeding past at ver 100 kilmetres an hur.
T prevent damage t wetlands and grasslands, 675 bridges with a ttal length f abut 160 kilmetres were built between Glmud and Lhasa. We even mved 140,000 square metres f wetland t a new area in rder t prtect its distinct ecsystem.
6. T prevent damage wetlands and grasslands, 675 bridges with a ttal (lng) f abut 160 kilmetres were built.
Read the para.4 and answer the questin:
8. What is NOT the challenge fr the wrkers in Tanggula Statin?A．Thin air. B．Changeable weather.C．UV radiatin. D．Breaks.
7. Tanggula Statin was the (high)railway in the wrld.
Read the para.5 and answer the questin:
The jurney has been flying by, and befre I knw it, we have reached Tanggula Statin. Lcated at ver 5,000 metres abve sea level, this is the highest railway statin in the wrld. In lcatins such as this, the thin air, changeable weather and high levels f UV radiatin presented perhaps the greatest challenge fr railway wrkers. T make sure we stayed healthy, several xygen-making statins were cnstructed. We were als able t enjy regular breaks in lwer areas.
9. What was dne t prtect Cuna Lake?A. Building a wall alng the lake.B. Building a passage alng the lake. C. Building a bridge acrss the lake.D. Frbidding building any building alng the lake.
Read the para.6 and answer the questin:
As we pass Cuna Lake, I feel a sense f pride and achievement. Using thusands and thusands f sandbags, we built a twenty-kilmetre wall alng the lake t prtect it frm cnstructin waste. Cuna Lake is s clse t the railway that I want t reach ut and tuch its pale blue mirrr-like surface. Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery t life.
10. What makes the authr feel prud?A. We built the"impssible"railway.B. We prtected the ecsystem.C. We built the“impssible"railway,nt destry the ecsystem. D. Passengers call it "Sky Railway".
Read the para.7 and answer the questin:
The Qinghai-Tibet Plateau has been attracting peple's admiratin fr centuries. Nw, thanks t ur effrts, passengers frm all ver the cuntry have been enjying these magical landscapes. I am prud that we built ur “impssible” railway, and did s with the care that the envirnment deserves. It truly is an extrardinary “Sky Railway”.
1. T prve that humans can cnquer nature.2. T highlight the amunt f wrk required t build the Qinghai-Tibet Railway.3. T praise the wrkers' effrts in building the Qinghai-Tibet Railway.
Chse the authr's purpse in writing the passage.
Part 3Language Pints
Sitting back in my seat, I can’t quite believe that I’m abut t travel alng the railway that many freign experts claimed was “impssible”.
be abut t d sth. 即将做某事
◆claim v. （战争、事故等）夺去（生命）； 声称，断言；索要，索取
claim t d sth./ that ... 声称/主张claim fr 要求/索要某物
◆claim n. 声称，断言；索赔
make a claim fr 要求...，就...提出要求
靠坐在火车的座位上，我简直不敢相信，我将要沿着许多外国专家声称“不可能建成”的铁路旅行。
The train has been racing alng steadily since it left Xining. All this time, the sng “Sky Railway” has been playing inside my head.
火车从西宁出发，向前平稳行驶。一路上，《天路》这首歌一直在我的脑海中回响。
The wrds “railways like massive dragns are winding amng the muntains” seem particularly vivid as I travel acrss the “rf f the wrld”.
wind v.使呼吸困难; 给（婴儿）拍嗝; 蜿蜒; 缠绕; 给…上发条 n.风,气流; 胃气; 呼吸; 趋势
当火车开过“世界屋脊”时，“一条条巨龙翻山越岭”的歌词显得格外生动鲜活。
I was ne f the peple wh came frm all parts f China t wrk n this railway. Taking years t cmplete, the Qinghai-Tibet Railway is a recrd f all f ur effrts t vercme the mst difficult engineering challenges.
recrd v. 记录，记载 n.纪录，记载；唱片
set/ break/ hld a recrd (fr ...) 刷新/ 打破/ 保持 (...的) 纪录
修建青藏铁路的工人来自全国各地，而我就是其中之一。它历时数年建成，凝聚着我们攻克种种工程难题的全部心血。
Hw t prtect the delicate ecsystem was amng the tp cncerns.
“疑问词+不定式”作主语
cncern v.涉及,与...有关；使担心/担忧 n.担心，忧虑，焦虑
express/shw cncern abut/fr sth.对...表示关心
cncerned adj.焦急的,担忧的,关注的,相关的
as far as I’m cncerned 就我而言be cncerned abut/fr 为...担心be cncerned with=get/be invlved with与...有关
cncerning prep. 有关；关于
tp cncern 最关心的问题
其中，如何保护脆弱的生态系统是需要我们首要问题之一。
The first landmark t catch my eye is the splendid Qingshuihe Bridge, the wrld’s lngest bridge built ver permafrst.
catch ne’s eye 吸引某人的注意catch up with 赶上
最先映入眼帘的地标性建筑是壮观的清水河大桥，它是世界上最长的高原冻土铁路桥。
Lk! A grup f Tibetan antelpes is mving under the bridge, with sme stpping t eat grass at their leisure. Thirty-three passages have been built under the railway t allw the animals t mve safely and freely in their natural habitat.
passage n.通道,走廊; 段落; 流逝; 旅程; 通行许可
Wild animals such as these Tibetan antelpes have nw been using these passages fr years. They seem ttally unaware that we are speeding past at ver 100 kilmetres an hur.
speed v. 超速行驶；加快，促进 n.速度，快，迅速
at a speed f 以...的速度
seem unaware that 似乎不知道/未意识到...
就像现在的这群藏羚羊一样，野生动物们使用这些通道已有数年，它们似乎完全没有意识到我们正以每小时100多千米的速度呼啸而过。
T prevent damage t wetlands and grasslands, 675 bridges with a ttal length f abut 160 kilmetres were built between Glmud and Lhasa.
damage v. 损害，毁坏，破坏 n. 损坏，破坏，损失；损害，伤害
d damage t 对...造成损害/破坏
with a ttal length f 总长... lng adj./ lengthen v.
为了避免破坏湿地和草原，我们在格尔木和拉萨之间建造了675座大桥，总长度约160千米。
We even mved 140,000 square metres f wetland t a new area in rder t prtect its distinct ecsystem.
The jurney has been flying by, and befre I knw it, we have reached Tanggula Statin.
in rder t d sth. 为了做某事
fly by/ g by （时间）飞逝
Lcated at ver 5,000 metres abve sea level, this is the highest railway statin in the wrld.
be lcated in/ n/ at ... 坐落于lcatin n.地点，位置
它位于海拔5,000多米的地方，是世界上海拔最高的火车站。
In lcatins such as this, the thin air, changeable weather and high levels f UV radiatin presented perhaps the greatest challenge fr railway wrkers.
present v. 提交；呈现/ n.礼物/ adj. 目前的; 出席的
在这样的高海拔环境中，稀薄的氧气，多变的天气，还有强烈的紫外线辐射，这些恐怕是我们铁路工人面临的最大挑战。
present sth. t sb. = present sb. with sth. 把...交给...；把...授予 present = nw 目前，现在
Can yu tell us smething abut the present situatin?What present did yu receive frm yur parents?There were many peple present.On his birthday, his friends presented him with a watch / presented a watch t him.
adj. 当前的, 现在的（前置）
adj. 在场的, 出席的（后置）
vt. 赠予, 赠给
present sb. with sth. = present sth. t sb.
The present president present at the meeting presented us with presents.
出席会议的现任的总统给我们颁发了礼物
T make sure we stayed healthy, several xygen-making statins were cnstructed. We were als able t enjy regular breaks in lwer areas.
为了确保工人的身体健康，我们建造了多个制氧站。我们还会定期到低海拔地区休整。
make sure 确保,设法保证；查明,核实; 弄清(某事属实或已做)make sure f 查明，弄清楚；确保，设法保证
As we pass Cuna Lake, I feel a sense f pride and achievement. Using thusands and thusands f sandbags, we built a twenty-kilmetre wall alng the lake t prtect it frm cnstructin waste.
a sense f pride and achievement 自豪感和成就感prtect ... frm ... 保护...免受...
火车经过措那湖时，一股自豪感和成就感在我心中油然而生。当年，我们沿着措那湖边用成千上万个沙袋筑起了一道二十千米的保护墙，使它免受建筑废料的污染。
Cuna Lake is s clse t the railway that I want t reach ut and tuch its pale blue mirrr-like surface.
reach ut fr... 伸手去拿……reach ut t sb. 向某人寻求帮助within sb.'s reach 在某人触手可及的地方ut f sb.'s reach 在某人手够不到的地方beynd sb.'s reach 超出(某人)的理解范围
reach ut 伸出(手) ---及物&不及物短语
现在，措那湖离火车这么近，我好想伸手去触摸它那镜面似的浅蓝色湖面。
Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery t life.
bring ... t life 使...更有趣；使...更生动
cme t life 苏醒，活跃起来save/ lse ne’s life 拯救/失去某人的生命live/ lead a ... life 过着...的生活
湖中嬉戏的水鸟，在草原上游荡的牛羊，让这片风景充满勃勃生机。
Nw, thanks t ur effrts, passengers frm all ver the cuntry have been enjying these magical landscapes.
all ver the cuntry 全国
如今，由于我们的努力，来自全国各地的旅客都能亲眼观赏到这片神奇的土地。
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