Unit 6Nurturing nature主课文精读 ppt课件-（2019）新外研版高中英语选择性必修第一册.pptx

1、Preview the understanding ideas!Learning aims:1. By analyzing the important sentences to master some important language points;2. Through group discussion to solve the personal understanding problems;3. Through the relative exercises to further understand specific language points.Preview the underst

2、anding ideas!Step 1 With the help of leading paper ，you should finish the blanks. Pay more attention to the long and difficult sentences. (15m)Step 2 Underline the impotant points which you think important. (15m)Step 3 Translate the passage.(5m)Step 4 Group discussion (10m) The Sky RailwayUnderstand

3、ing ideasLearning aims:1. By analyzing the important sentences to master some important language points;2. Through group discussion to solve the personal understanding problems;3. Through the relative exercises to further understand specific language points.Sitting back in my seat, I cant quite beli

4、eve that Im about to travel along the railway that many foreign experts claimed was “impossible”. The train has been racing along steadily since it left Xining. All this time, the song “Sky Railway” has been playing inside my head. The words “railways like massive dragons are winding among the mount

5、ains” seem particularly vivid as I travel across the “roof of the world”.sitting是动词的现在分词，作方式状语，与逻辑主语I是主动关系关系代词that引导的定语从句，定语从句还原后为：many foreign experts claimed (that) the railway was impossible. 关系词在定语从句中作主语，不可以省略。 现在完成进行时，表示动作从某一时间开始，一直持续到现在，或者刚刚终止，或者可能仍然要继续下去。 其构成为：主语+助动词（have/has）+been+动词的现在分词+其他

6、成分。 Step1 Language points 1.Sitting back in my back, I cant quite believe that Im about to travel along the railway that many foreign experts claimed was “impossible”.Q1Q1：两个：两个that的作用是？的作用是？ Q2Q2：整句话的翻译？：整句话的翻译？1). be about to do .when; be doing.when；had done.when be on the point of doing.when; har

7、dly/ scarcely. when2). claim: 声称，夺去生命， 索赔，认领 claim to do/claim that He claimed to do something to prevent the river from being polluted.Translation exercise:1). 他刚要离开，这时电话响了。(be about to.when)2). 你来电话时我正要睡觉。（be on the point of doing.when)3). 他一离开就开始下雨了。（hardly. when)1) He was about to leave when the

8、 phone rang.2) I was on the point of going to bed when you rang.3) He had hardly left when it began to rain.I was one of the people who came from all parts of China to work on this railway. Taking years to complete, the Qinghai-Tibet Railway is a record of all of our efforts to overcome the most dif

9、ficult engineering challenges. How to protect the delicate ecosystem was among the top concerns.关系代词who引导的定语从句， 修饰先行词people, 关系词在定语从句中作主语，不可以省略taking动词的现在分词作状语，与逻辑主语the Qinghai-Tibet Railway是主动关系overcome the challenges 克服挑战NoImage点拨点拨非谓语动词作状语时，要看非谓语动词与句子主语之间的逻辑关系，作状语的动词与句子主语构成主动关系时，要用现在分词形式；构成被动关系时，

10、要用过去分词形式；表示目的，常用动词不定式，这时非谓语动词表示的动作与句子谓语动词的时间相比，是将来。2. Taking years to complete, the Qinghai-Tibet Railway is a record of all of our efforts to overcome the most difficult engineering challenges. How to protect the delicate ecosystem was among the top concerns.来把你认为的考点说一说：_concern1) n. C重要的事情；U,C 担心，

11、忧虑；U关爱，关心 concern about/ for/ about 对.的担心/ 忧虑2) vt. 让（某人）担忧 concern oneself about/ for. 为.担心3) vt. 涉及，影响，牵涉（某人）；与.有关 be concerned with 和.有关，涉及.4) concerning prep. 涉及，关于5) 相关词组搭配：a concerned look 担忧的表情 as far as sb is concerned 就某人而言Exercise:1.【语境串记】The mayor was very concerned about the workers safe

12、ty. He showed much concern for those who worked underground and asked them some questions concerning safety. He asked the officials concerned to put safety at the first place.2. 那时他关注的事情之一就是上大学。（concern）_3. 我写信是想表达我对我对计划的关切。（concern）_4. 对他而言，背叛(betray) 自己的朋友是不可能的。（concern）_At that time, one of his c

13、oncerns was to go to college.Im writing to express my concern about the plan.As far as he is concerned, it is impossible to betray his friends.The first landmark to catch my eye is the splendid Qingshuihe Bridge, the worlds longest bridge built over permafrost. Look! A group of Tibetan antelopes is

14、moving under the bridge, with some stopping to eat grass at their leisure. Thirty-three passages have been built under the railway to allow the animals to move safely and freely in their natural habitat. Wild animals such as these Tibetan antelopes have now been using these passages for years. They

15、seem totally unaware that we are speeding past at over 100 kilometres an hour.catch ones eys 吸引某人视线，吸引某人注意eye-catching adj 因人注目的，耀眼的，明显的 built过去分词作后置定语with+名词/代词+doing，作状语，表示伴随的状态，some和stopping之间是主动关系 悠闲地现在完成进行时，表示从过去到目前一直持续并可能继续下去的动作3. The first landmark to catch my eye is the splendid Qingshuihe B

16、ridge, the worlds longest bridge built over permafrost.1) the first/ second/ third.time to do2) catch my eye - catch my attention - draw ones attention 吸引某人的注意 catch ones breath屏住呼吸 catch hold of抓住 catch on理解；受欢迎，流行起来 catch up with赶上 catch sight of 发现，瞥见 catch a cold伤风，感冒3) look sb. in the eye 正视某人

17、keep an eye on sb./sth. 照看某人/某物 turn a blind eye to 视而不见，对.置若罔闻 keep an eye for sth. 对某物有鉴赏力4. They seem totally unaware that we are speeding past at over 100 kilometres an hour.1) be (un)aware that +clause: She was unaware that she was being filmed. be (un)aware of +n. : He seemed to be unaware of

18、the trouble he was causing.2) speed v. 快速前行；加速，促进 speed by (时间等) 飞快地过去； speed (.) up (使.)加速 n. 速度；快，迅速 at low/ high/ full/ top speed 以低/高/全/最高速 at a speed of .以.的速度 pick up speed 加速 at speed 迅速at the price ofat a slow and relaxed paceThe journey has been flying by, and before I know it, we have reac

19、hed Tanggula Station. Located at over 5,000 metres above sea level, this is the highest railway station in the world. In locations such as this, the thin air, changeable weather and high levels of UV radiation presented perhaps the greatest challenge for railway workers. To make sure we stayed healt

20、hy, several oxygen-making stations were constructed. We were also able to enjoy regular breaks in lower areas.fly by飞逝present the greatest challenge 面临最大的挑战 海拔5000米be located at/in+地点,位于. 5. In locations such as this, the thin air, changeable weather and high levels of UV radiation presented perhaps

21、 the greatest challenge for railway workers.present v. 引起，造成；赠送；颁发，授予；呈现；提出 adj. 现在的，目前的；出席的，在场的1) The ships in the bay present a beautiful sight. _2) Each member should present (or offer) a question to be questioned. _3) Some girl students present the foreign visitors with flowers as soon as they a

22、rrived. _4) She was presented with an award. _5) This presented a problem for many financial consumers. _6) It was noticeable that none of the family were present. _7) We must take the present economic situation into consideration. _ v. .呈现呈现 v. v.提出提出v.v.赠送赠送 v. v. 颁发，颁发，授予 v.引起，造成 adj.出席的，在场的 adj.

23、现在的， 目前的 As we pass Cuona Lake, I feel a sense of pride and achievement. Using thousands and thousands of sandbags, we built a twenty-kilometre wall along the lake to protect it from construction waste. Cuona Lake is so close to the railway that I want to reach out and touch its pale blue mirror-lik

24、e surface. Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life.自豪感和成就感动词的现在分词作方式状语，与句子主语we之间是主动关系保护.免受.之害伸出手独立主格结构：名词/代词+现在分词，名词/代词与现在分词之间是主动关系使.生动起来 6. Cuona Lake is so close to the railway that I want to reach out and touch its pale blue mirror-

25、like surface. Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life.1) so. that. 如此.以至于.但是达尔文的科学研究是如此具有说服力，以至于越来越多的人开始相信他的理论。_2) bring.to life 使.更有趣，使.更生动 come to life 变得活跃，变得更有趣；复活，苏醒 新来的老师给我们英语教的生动活泼。_ 当他看到当地居民的生活场景时，这个故事在他的心中变得鲜活起来。 当这个男人醒来的时候，发现

26、自己被朋友们围绕着。_But Darwins scientific studies were so convincing that more and more people started to believe his theory.The new teacher really brought English to life for us.This story came to life when he saw how people lived there.When the man came to life, he found himself surrounded by his friends.

27、 The Qinghai-Tibet Plateau has been attracting peoples admiration for centuries. Now, thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes. I am proud that we built our “impossible” railway, and did so with the care that the environment deserves. It

28、 truly is an extraordinary “Sky Railway”.attract peoples admiration 使人向往现在完成进行时定语从句：环境应该得到的（关爱） 1. Sitting back in my back, I cant quite believe that Im about to travel along the railway that many foreign experts claimed was “impossible”.2. Taking years to complete, the Qinghai-Tibet Railway is a re

29、cord of all of our efforts to overcome the most difficult engineering challenges. How to protect the delicate ecosystem was among the top concerns.3. The first landmark to catch my eye is the splendid Qingshuihe Bridge, the worlds longest bridge built over permafrost.4. They seem totally unaware tha

30、t we are speeding past at over 100 kilometres an hour.5. In locations such as this, the thin air, changeable weather and high levels of UV radiation presented perhaps the greatest challenge for railway workers.6. Cuona Lake is so close to the railway that I want to reach out and touch its pale blue

31、mirror-like surface. Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life.7. The Qinghai-Tibet Plateau has been attracting peoples admiration for centuries.8. I am proud that we built our “impossible” railway, and did so with the care that the environment deserves. It truly is an extraordinary “Sky Railway”.Step3 Listen, repeat and read, thinking.Step 4 Filling-inFill the blanks on your leading paper.Step5 Conclusion1. Concerning important language points, got it?2. About personal understanding problems, no problem?