Unit 1 Reading ppt课件-（2020）新牛津译林版高中英语必修第三册.ppt

1、ecosystem overseasregioncontinent million lengthbiodiversityspeciesn. 生态系统生态系统 adj. 海外的，国外的海外的，国外的adv. 向向（在）（在）海外，向海外，向（在）（在）国外国外 n. 地区，区域；行政区地区，区域；行政区 n. 大陆，陆地；洲大陆，陆地；洲 n. 一百万；许多，大量一百万；许多，大量 n. 长，长度；时间的长短；篇幅，长，长度；时间的长短；篇幅，（电影）（电影）片长片长 n. 生物多样性生物多样性n. (pl. species) 种，物种种，物种Read after the tape and sp

2、eak out the Chinese immediately.nut brazil nut lilywater lily variety wildlife beneath massn. 坚果坚果 巴西坚果巴西坚果 n. 百合百合（花）（花） 睡莲睡莲 n. 不同种类；变化，多样性；变不同种类；变化，多样性；变种，变体种，变体 n. 野生动植物，野生生物野生动植物，野生生物prep. 在在下面；在下面；在下方下方；配不上配不上n. 大量；团，块，堆；一大群大量；团，块，堆；一大群 adj. 大批的，广泛的大批的，广泛的 towering hardwood living mammaljaguar

3、 survive frog in turn insect adj. 高大的，高耸的；出色的高大的，高耸的；出色的 n. 阔叶树；硬材阔叶树；硬材（阔叶树的木材）（阔叶树的木材） adj. 活着的，活的；在使用的活着的，活的；在使用的 n. 生计，谋生；生活方式生计，谋生；生活方式 n. 哺乳动物哺乳动物 n. 美洲豹，美洲虎美洲豹，美洲虎 vi. 生存，存活生存，存活vt. 幸存，幸免于难幸存，幸免于难 n. 蛙，青蛙蛙，青蛙 相应地，转而相应地，转而 n. 昆虫昆虫 microorganismbreak down nutrient breathe life into carbon oxyge

4、n thus disappear due to n. 微生物微生物使分解使分解（为）（为），使变化，使变化（成）（成） n. 营养素，营养物营养素，营养物 给给带来起色，注入活力带来起色，注入活力n. 碳碳 n. 氧，氧气氧，氧气 adv. 因此，从而；这样因此，从而；这样 vi. 不复存在，灭绝，消亡；不复存在，灭绝，消亡；消失；失踪消失；失踪 由于，因为由于，因为 agriculture cattle impact extinction damage n. 农业，农学农业，农学n. 牛牛 n. 影响，作用；撞击，冲撞影响，作用；撞击，冲撞vi.&vt. 有影响；冲击有影响；冲击 n. 灭绝

5、，绝种灭绝，绝种 vt.&n. 损害，伤害，损坏，破坏损害，伤害，损坏，破坏Unit 1 Nature in the balanceP2 ReadingThe world we live in is full of . Watch the video about the natural wonder - and fill in the blanks.3,000largest20%Lungs of the PlanetSouth AmericafourmedicineWhat else do you want to know about the Amazon rainforest? The do

6、cumentary script below describes the Amazon rainforest.What plants or animals do you know about? What is special about them?Possible answer: Sloths (树懒树懒) are one of the slowest creatures on the Earth. They live hanging upside down in rainforest trees. Modern sloths are smaller than the extinct gian

7、t sloths which were as big as elephants and lived on the ground. Giant redwoods are impressive because they can grow as tall as 83 metres and as wide as 21 metres. You can drive a car through their trunks. They have been around since dinosaurs roamed (漫步漫步) the Earth but are now in danger of becomin

8、g extinct.What do you think this script is about judging from the title and pictures?Possible answer: I think the script “The Amazon rainforest: a natural treasure” is about the Amazon jungle and the plants and animals found there. They are all natural treasures because they are valuable to the Amaz

9、on. The pictures show that the plants and animals living in the Amazon rainforest are unusual and beautiful. There are different kinds of animals that depend on the rainforest for shelter and food.Now, lets read the documentary script to check your answer. Read and finish the tasks as quickly as pos

10、sible.Read the documentary script and write the main idea of each paragraph. P4 A1Para. 1: Introduction to the Amazon rainforestPara. 2: Basic information about the rainforestPara. 3: _Para. 4: _Para. 5: _ _Plant biodiversity; levels of the rainforestAnimal biodiversity; food chainThe rainforests va

11、lue to the human race; threats to the rainforestRead the documentary script again carefully and fill in the blanks with the figures. (1) _ countries and one overseas regionaround (2) _ km2 of forestabout (3) _ kmin lengthmore than (4) _plant speciesmore than (5) _bird speciesover (6) _ species of ma

12、mmalsover (7) _ of all the Earths oxygen producedabout (8) _ of the rainforest lost over the past 50 years86 million6,40040,0001,30040020%17%P4 A2the tops of the tallest trees the towering ancient hardwoodsshorter plants with large leavesthe mass of leaf Read Para. 3 again and match the sentences wi

13、th the correct part.a system of roots beneath the groundRead Para. 4 again and finish the food chain. 01020304051. _2. _3. _4. _5. _Jaguarsfrogs and other speciesinsectsleaves and fruitmicro-organismsIn pairs, discuss the following questions.1. What makes the Amazon rainforest a natural treasure acc

14、ording to the script?2. What is your answer to the question at the end of the script? Support your opinion with information from the script or other sources.P4 A31. What makes the Amazon rainforest a natural treasure according to the script?The Amazon rainforest is unique, beautiful and valuable. It

15、 contains 10% of all known species on the Earth. It produces over 20% of the planets oxygen. Its wonderful plant and animal species have enabled humans to make amazing discoveries.2. What is your answer to the question at the end of the script? Support your opinion with information from the script o

16、r other sources.No. The Amazon rainforest is far too important for us to allow it to be destroyed. It helps maintain the balance of the ecosystem and provides our society with food and medicine.analysing, mindmap, summary, retellingPassage Structure Analysis1. The Amazon River, from which the rainfo

17、rest gets its name, is close to 6,400 kilometres in length - roughly 100 kilometres longer than the Yangtze River.非限制性定语从句非限制性定语从句be close to 接近接近; 靠近靠近; 亲近亲近; 临近临近 The children are close to each other in age. If the planet be close to the sun, its speed increases.这些儿童彼此的年龄很这些儿童彼此的年龄很接近接近。如果行星如果行星接近

18、接近太阳，其运转速度就会加快。太阳，其运转速度就会加快。亚马孙雨林得名于亚马孙河，亚马孙河长接近亚马孙雨林得名于亚马孙河，亚马孙河长接近64006400千米，比长江还长约千米，比长江还长约100100千米。千米。Sentence analysing for better understanding.用在一个解释性的分句或句子前面用在一个解释性的分句或句子前面2. As the impact of human activities continues to grow and the list of species in danger of extinction becomes longer, w

19、e are left with a question: can we afford to damage the “lungs of the planet”?as引导的时间状语从句，引导的时间状语从句，as “随着随着”afford to 负担得起负担得起 We cannot afford to drop behind our competitors. Then you have to work out whether you can afford to ignore it. 我们可我们可担当担当不不起起落后于竞争对手的后果。落后于竞争对手的后果。那么你不得不考虑，是否那么你不得不考虑，是否承担

20、得起承担得起无视这种情况的代无视这种情况的代价。价。随着人类活动影响随着人类活动影响的的不断增加，濒危物种的名单不断增加，濒危物种的名单越来越长，这留给我们一个问题：我们能承担得越来越长，这留给我们一个问题：我们能承担得起损害起损害“地球之肺地球之肺”的后果吗？的后果吗？Possible answer: The Three Parallel Rivers of Yunnan Protected Areas (云南三江并流保护区云南三江并流保护区) is a natural property consisting of 15 protected areas. The property is of

21、 outstanding value for its diversity of landscapes and rich biodiversity. In its 15 different protected areas, there are over 6,000 plant species, around 200 mammal species and more than 400 bird species. A large number of rare animals such as Yunnan golden monkeys, snow leopards and black necked cr

22、anes can be found here. Are there any places with rich biodiversity like the Amazon rainforest in China? What are they? Introduce one to the class.P4 A31. a sea of2. alive with3. in turn4. break down5. breathe life into6. due to大量的，大片的大量的，大片的充满，到处都是充满，到处都是( (活的或动的东西活的或动的东西) )相应地，转而相应地，转而使分解使分解（为）（为）

23、，使变化，使变化（成）（成）由于，因为由于，因为给给带来起色，注入活带来起色，注入活力力注注: 另附另附word文档，点此链接文档，点此链接Translate the following sentences into Chinese.他往下看，看到他往下看，看到一张张一张张笑脸。笑脸。2. The pond was alive with frogs.池塘里池塘里满是满是青蛙。青蛙。3. Increasing production costs will, in turn, lead to higher prices.生产成本不断提高生产成本不断提高相应地相应地会引起价格上涨。会引起价格上涨。4.

24、 We need some new people to breathe life into this project.我们需要一些新人来我们需要一些新人来为为这个项目这个项目注入活力注入活力。5. The flight was cancelled due to bad weather.由于由于天气不好，航班被取消了。天气不好，航班被取消了。1. He looked down and saw a sea of smiling faces.1. What do you know about the Amazon rainforest? 2. Can you understand the main idea of the documentary script?3. What can you do to protect the Amazon rainforest?1. Finish the exercises in Learning English.2. Write a passage to introduce a place with rich biodiversity like the Amazon rainforest in China.