Unit 1 Nature in the balance Reading 公开课（ppt课件+视频）-2024新牛津译林版（2020）《高中英语》必修第三册.zip

Unit 1 Nature in the balanceReading 1The Amazon rainforest:a natural treasureLet us not,however,flatter ourselves overmuch on account of our human victories over nature.For each such victory nature takes its revenge on us.Friedrich Engels但是我们不要过分陶醉于人类对自然界的胜利。对于每一次这样的胜利，自然都会对我们进行报复。弗里德里希恩格斯Pre-readingWhat plants or animals do you know about?What is special about them?What plants do you know about?What is special about them?Pre-readingWatch a videoJudging from the title and pictures,What do you think this script is about?Pre-readingexplore the title&pictures1.the Amazon jungle and the plants and animals found there.natural treasures because they are valuable to the Amazon.2.The plants and animals living in the Amazon rainforest are unusual and beautiful.A wide variety of animals depend on the rainforest for shelter and food.Skim and grasp the main idea Amazon rainforstPara.2Basic information about the rainforestPara.3Plant biodiversity;levels of the rainforestPara.1Introduction to the Amazon rainforestPara.5Animal biodiversity;food chainPara.4Animal biodiversity;food chainA1Detailed reading Paragraph 1 Question：What is the topic sentence?As the largest rainforest in the world,it plays a significant role in maintaining the fine balance of the Earths ecosystem.0201030406050708_countries and one overseas regionAround _ km2 of forestAbout _km in lengthmore than _ plant speciesMore than _ bird speciesOver _species of mammals Over _of all the Earths oxygen producedAbout _ the rainforest lost over the past 50 years86 million6,40040,0001,30040020%17%Work out figuresRead Paragraph 3 and complete the mind map about different levels of the rainforest.Detailed readingThe forests different levels(4)(3)(2)(1)a system of roots beneath the groundthe mass of leaf littershorter plants with large leavestowering ancient hardwoodsthe tops of the tallest treesRead Paragraph 4 and complete the following chart about the food chain in the rainforest.nutrients in the earthinsects(4)leaves and fruits(1)(2)(3)frogsjaguarsmicroorganismsThe forests food chainDetailed readingMind mapBasic informationlocation and sizeName:getting its name from(1)_richest(2)_ Amazon rainforestAnimalsmore than 1,300 species of birds and over 400 species of(5)_ elements of this forests(6)_ Plantsmore than 40,000(3)_different(4)_ of the forest Significancefix carbon and producing(7)_ having species used for(8)_ Dangerthe major danger:(9)_ disappearing due to human activities such as(10)_ and cattle farmingthe Amazon riverbiodiversityplant specieslevelsmammalsfood chainoxygenfood or medicineus/human beingsagricultureDiscussion1.What makes the Amazon rainforest a natural treasure according to the script?unique beautiful valuableIt 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.In the sentence“Yet there is one major danger to these irreplaceable plants and animals:us.”(Page 3,Lines 3334),why“us”is used instead of“human beings”here?emphasize the responsibility dutyDiscussionDiscussion3.What is your answer to the question at the end of the script?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 the essential object for us to live.Whats the purpose of this passage?lTo introduce the basic information of the rainforest.lTo appeal to people to protect the natural treasure the Amazon rainforest.How does the documentary script make clear the size of the Amazon rainforest and the length of the Amazon River?AppreciationSentences using comparison:With an area of around 6 million square kilometres,the Amazon rainforest is more than half the size of China.The Amazon River,from which the rainforest gets its name,is close to 6,400 kilometres in lengthroughly 100 kilometres longer than the Yangtze River.”AppreciationHere are some expressions used to make comparisons:倍数+as large as倍数+larger than倍数+the size ofmaking comparisons with familiar places or objects：gain a better understanding.large numberConsolidationThe Chinese government recently finalized a plan to set up a Giant Panda National Park(GPNP)._56_(cover)an area about three times _57_ size of Yellowstone National Park,the GPNP will be one of the first national parks in the country.The plan will extend protection to a significant number of areas that _58_(be)previously unprotected,bringing many of the existing protected areas for giant pandas under one authority _59_(increase)effectiveness and reduce inconsistencies in management.2022年（新高考年（新高考I卷）卷）Covering the was to increaseSummary 根据所读内容在空白处填入1个适当的单词或括号内单词的适当形式。As the largest rainforest in the world,the Amazon rainforest plays an 1._（absolute）significant role in maintaining the fine balance of the Earths ecosystem.One in ten known species in the world can 2._（find）here.The forests different levels support an unbelievable variety of wildlife.At the bottom,there is a system of roots beneath the ground.Above that is the mass of leaf litter on the dark forest floor.The next level is made up 3._ shorter plants with large leaves.Then there are the 4._（tower）ancient hardwoods,and finally the tops of the tallest trees many metres above the ground.Many species of birds and mammals hide among the jungles plant life.For example,while 5._ sea of jaguars survive here,they are only one element of this forests food chain.They feed on at least 87 species,including frogs.These frogs,in turn,feed on insects 6._ eat leaves and fruit.When a jaguar dies,microorganisms help break down its body and return the nutrients to the earth.Yet there is one major danger to these irreplaceable plants and animals:us.Over the past 50 years,about 17 per cent of the rainforest 7._（disappear）due to human activities.As the impact of human activities continues to grow 8._ the list of species in danger of extinction becomes 9._（long）,we are left with a question:can we afford 10._（damage）the lungs of the planet?absolutely be found of towering a which/that has disappeared and longer to damage Writing Write an article to call on people to protect the environment.Nowadays,a wide variety of wildlife have been in danger of extinction,especially in the Amazon rainforest._ We,We,We,We,humanhumanhumanhuman beings,beings,beings,beings,shouldshouldshouldshould assume assume assume assume the responsibility to take active the responsibility to take active the responsibility to take active the responsibility to take active measures to protect our homemeasures to protect our homemeasures to protect our homemeasures to protect our homethe earth.the earth.the earth.the earth.