1、Welcome+Reading+languagepointsUnit 1 Nature in the balanceReview 对某物有害 做某事是个好主意/没有坏处 在国外生活/出国 万里挑一的人/物 两米长/宽/高/深 终于，最后；详细地，充分地 从从.到到.不等不等 群众群众,百姓百姓 大众传播大众传播媒介媒介 高于；超过；高于；超过；胜过胜过 现场演奏的音乐 对对.（没）有影响（没）有影响 do/cause harm to=be harmful to There is no harm in doing sth.=It is no harm to do sth.live oversea
2、s/go overseas one in a million two meters in length/width/height/depth=two meters long/wide/high/deep at length=in detail vary from.to the masses mass media tower over/above live music have/make an/no impact on.核心词汇1_ n.土壤；国土，领土，土地2_ adj.海外的，国外的adv.在海外，向国外3_ n.地区，区域；行政区4_ n.大陆，陆地，洲5_ num.一百万；许多，大量6_
3、 n.生物多样性7_ n.(pl.)种，物种soilsoiloverseasoverseasregionregioncontinentcontinentmillionmillionbiodiversitybiodiversityspeciesspecies8_ n.坚果9_ n.野生动植物，野生生物10_ prep.在下面，在下方；配不上11_ n.大量；团，块，堆；一大群adj.大批的，广泛的12_ adj.高大的，高耸的；出色的13_ adj.活着的，活的；在使用的n.生计，谋生；生活方式14_ n.蛙，青蛙15_ n.昆虫nutnutwildlifewildlifebeneathbene
4、athmassmasstoweringtoweringlivinglivingfrogfroginsectinsect16_ n.碳17_ n.氧，氧气18_ adv.因此，从而；这样19_ n.牛20_ n.影响，作用；撞击，冲撞vt.&vi.有影响；冲击21_ vt.&n.损坏，破坏，损害，伤害22_ n.气候；倾向，风气carboncarbonoxygenoxygenthusthuscattlecattleimpactimpactdamagedamageclimateclimate.拓展词汇1_ n&vt.伤害，损害_ adj.有害的_ adj.无害的2_ n长，长度；时间的长短；篇幅，
5、(电影)片长_ adj.&adv.长的；长期地_ vt.&vi.(使)延长，(使)变长3_ n不同种类；变化，多样性；变种，变体_ adj.各种各样的_ v相异，变化，多变4_ vi.生存，存活 vt.幸存，幸免于难_ n幸存_ n幸存者harmharmharmfulharmfulharmlessharmlesslengthlengthlonglonglengthenlengthenvarietyvarietyvariousvariousvaryvarysurvivesurvivesurvivalsurvivalsurvivorsurvivor5_ n营养素，营养物_ n营养；营养学_ adj
6、.有营养的6_ vi.不复存在，灭绝，消亡；消失；失踪_ vi.出现_ n消失；消亡7_ n农业，农学 _ adj.农业的，农艺的8_ n灭绝，绝种_ adj.灭绝的，绝种的nutrientnutrientnutritionnutritionnutritiousnutritiousdisappeardisappearappearappeardisappearancedisappearanceagricultureagricultureagriculturalagriculturalextinctionextinctionextinctextinctPre-readingWhat environ
7、mental problems can you find in the pictures?water pollutionrubbish pollutionmarine(海洋海洋)pollutiondeforestation(滥伐森林滥伐森林)soil pollutionforest fireair pollutionloss of biodiversityclimate changeglobal warmingacid rain(酸雨酸雨)desertification(荒漠化荒漠化)Let us not,however,flatter ourselves overmuch on accoun
8、t of our human victories over nature.For each such victory nature takes its revenge on us.Friedrich Engels 但是我们不要对我们人类对自然界的胜利过分自以为是。对于每一次这样的胜利，自然界都对我们进行报复。弗里德里希恩格斯1.flatter yourself(that)2.If something happens overmuch,it happens too much.3.on account of 4.If you take revenge on someone who has hurt
9、 you,you hurt them in return.自以为是自以为是;高看自己高看自己过度地过度地=because of 因为因为；由于由于报复报复 Pre-reading:Important phrases in Welcomethe human race_ do harm(to)_cut down _sound the alarm _be thankful for sth _find the solution(to sth)_对对有害有害人类人类砍伐，砍倒砍伐，砍倒发出警报发出警报对对感激；为感激；为庆幸庆幸找到解决找到解决的的方法方法Do you know where it is?
10、The world(we live in)is full of natural wonders.Today we come to know the Amazon rainforest,which is home to a wide range of wildlife.When it comes to the Amazon rainforest,where is it?what plants or animals do you know about?do you know the great fire in 2019 there?Free talk The World Wildlife Foun
11、dation(WWF)says the worlds largest rainforest contains millions of species of plants and animals.Many of them are still unknown.Among the best known animals are jaguars,eagles,pink river dolphins,parrots,large snakes and many butterflies.More than 30 million people,including 350 indigenous and ethni
12、c groups,live in the Amazon area and depend on the forests for food and shelter.Whats in the Amazon?The fires not only destroy parts of the carbon-absorbing forests,but they release millions of metric tons of carbon into the air.The Amazon rainforest also is important to rainfall in the area.Defores
13、tation makes rains less frequent,extending the dry season.If 20 to 25 percent of the forest were destroyed,the dry season would expand.That would mean the area would no longer be a rainforest,but a tropical savannah热带稀树草原,or an area with grasslands and few trees.Unfortunately,we are already seeing s
14、igns of the Amazon turning into a savannah.What do the fires mean to the worlds climate?The current fires in the Amazon are not wildfires.They are mostly set illegally by people who are clearing the forest to raise cattle and crops.People clear the land by cutting down the trees during the rainy sea
15、son,letting the trees dry out and burning them during the dry season.Fully clearing the thick forest for agricultural use can take several years of cutting and burning.What is causing the fires?Fast readingPassage Structure IntroductionBasic informationPlant biodiversityDifferent levelsAnimal biodiv
16、ersityFood chainImportance&DangerFast reading:figuresoffering factsWhat is the purpose of using so many figures?To support the statement and make it more persuasive and convincing.Think about this question:Intensive readingPara.1Welcome to the jungle,a huge sea of green alive with the sounds of anim
17、als.This is the Amazon rainforest.As the largest rainforest in the world,it plays a significant role in maintaining the fine balance of the Earths ecosystem.Language points 一大片海洋一大片海洋充满了充满了prep.作为作为扮演举足轻重的角色扮演举足轻重的角色维持生态平衡：维持生态平衡：maintainthe banlance of ecosystem重点短语1_ 大量的，大片的2_ 充满，到处都是(活的或动的东西)3_ 在
18、中起着重要的作用;在中扮演重要角色4 _ 保持的微妙平衡a a huge sea huge sea ofofalive withalive withplay a significant role/part inplay a significant role/part inmaintain the fine balance of.maintain the fine balance of.Para.2:The Amazon rainforest crosses into eight countries,including Brazil and Peru,and one overseas regio
19、n of France,all on the South American continent.With an area of around 6 million square kilometres,the Amazon rainforest is more than half the size of China.穿过穿过南美洲大陆南美洲大陆prep.具有具有注：倍数注：倍数+名词名词 twice the popularity of;four times thetwice the popularity of;four times the height of height of 注：注：with
20、an income of;with a popuparity of.with an income of;with a popuparity of.超过超过Para.2: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.On its journey from the mountains to the ocean,the river supports ma
21、ny different ecosystems.They give this area the richest biodiversity on the Earth:one in ten known species in the world can be found here.prep.+wh-非限制性定语从句非限制性定语从句已知的已知的注：过去分词做前置定语，如注：过去分词做前置定语，如a detailed story;specified ordersa detailed story;specified orders 在长度上在长度上Intensive reading:Read careful
22、ly and answer questions Basic information about the rainforest_:8 countries and one overseas region _:around 6 million square kilometres of forest_:about 6,400 km in lengthlengthsizelocationIntensive reading:Read carefully and answer questions location:The Amazon rainforest crosses into eight countr
23、ies,including Brazil and Peru,and one overseas region of France,all on the South American continent.横越巴西横越巴西(占森林占森林60%60%面积面积)、哥伦比亚、哥伦比亚、秘鲁、委内瑞拉、厄瓜多尔、玻利维秘鲁、委内瑞拉、厄瓜多尔、玻利维亚、圭亚那、苏里南、法国（法属圭亚、圭亚那、苏里南、法国（法属圭亚那），占世界雨林面积的一半，全亚那），占世界雨林面积的一半，全球森林面积的球森林面积的20%20%，是全球最大及物种，是全球最大及物种最多的热带雨林。亚马孙雨林被人们最多的热带雨林。亚马孙雨林被人
24、们称为称为“地球之肺地球之肺”和和“绿色心脏绿色心脏”。Intensive reading:Read carefully and answer questions size:With an area of around 6 million square kilometres,the Amazon rainforest is more than half the size of China.=China is more than twice _ _ _ the Amazon rainforest.asbig/largeasIntensive reading:Read carefully and
25、answer questions length:The Amazon River,from which the rainforest gets its name,is close to 6,400 kilometres in length roughy 100 kilometres longer than the Yangtze River.On its journey from the mountains to the ocean,the river supports many different ecosystems.重点短语5 _ 超过，很，非常6 _ 在长度上more more tha
26、nthanin lengthin lengthRead Para.3 Plant biodiversitywater lilybrazil nut treePara.3:Of the 390,000 plant species known to us,more than 40,000 can be found in the Amazon.This tall and ancient brazil nut tree produces nuts(that we can eat);these water lilies are big enough to lie down on.prep.在在.中中可以
27、躺在上面可以躺在上面比较：比较：These water lilies are big enough to lie down on.These water lilies are big enough to lie down on.These soldiers are tired enough to lie down.These soldiers are tired enough to lie down.Para.3:The forests different levels support an unbelievable variety of wildlife.At the bottom,ther
28、e 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 of shorter plants with large leaves.Then there are the towering ancient hardwoods,and finally the tops of the tallest trees many metres above the ground.Each level of th
29、e forest forms its own little world,home to different kinds of living things.在底部在底部落叶层落叶层prep.在在.表面之下表面之下prep.在在.上面上面由由.组成组成.的家园的家园I dont want this _I cant _ loveI try to find _ to pull us apartIt aint workin cause youre _And I know that youre _ itI cant walk _ ohEven though were going _ itIf it mak
30、es you feel aloneJust know that I would die for youBaby I would die for you yeahfeelingaffordreasonperfectworthawaythrough Figure out different layers of the forest.Vertical/vtk()l/纵向的Read Para.3 Plant biodiversitya system of rootsthe tops of the tallest treesthe mass of leaf littershorter plants wi
31、th large leavestowering ancient hardwoodsThe forests different levels support a variety of wildlife.an unbelievableHome to different kinds of living things重点短语7 _ 躺在上面8 _ 各种各样的9._ 一大块,一大堆10._ 由组成11._ 的家园lie down onlie down ona variety ofa variety ofthe mass ofthe mass ofbe made up ofbe made up ofbe
32、home tobe home toPara.4:More than 1,300 species of birds and over 400 species of mammals hide among the jungles plant life.This jaguar is one example.It has a yellowish-brown coat with black spots.While a significant number of jaguars survive here,they are only one element of this forests food chain
33、.They feed on at least 87 species,including frogs.These frogs,in turn,feed on insects which eat leaves and fruit.When a jaguar dies,a tiny army of microorganisms helps break down its body and return the nutrients to the earth.黄棕色黄棕色相应地；转而相应地；转而数量可观的数量可观的以以.为食为食分解分解注：注：a number of a number of 加不同形容词来
34、表示数量的多寡及程度。例如：加不同形容词来表示数量的多寡及程度。例如：a significant number of;a small number of;a huge number of.a significant number of;a small number of;a huge number of.Jaguars87 species,including frogsMicroorganisms Para.4 Animal biodiversity&food chainInsectsCircular/skjl(r)/循环的 Complete the following chart about
35、 the food chain in the rainforest.giving an exampledifferent plant levelscomplicate food chainsoffer places to live(habitat)provide food and nutrients The reason why Amazon rainforest has the richest biodiversity in the worldthe richest biodiversity12_ 以为食13_ 相应地，转而14_ 使分解(为)，使变化(成)15_ 大量的+可数名词 feed
36、 on.feed on.in turnin turnbreak downbreak downa number ofa number ofPara.5:The Amazon rainforest breathes life into the planet by fixing carbon and producing over 20 per cent of all the Earths oxygen.Thus,it is often known as the“lungs of the planet”.Moreover,the Amazon rainforest is a treasure hous
37、e of species(that can be used for food or medicine).Yet there is one major danger to these irreplaceable plants and animals:us.为为.注入活力注入活力被称作被称作（be considered as;be recognised as）处理碳处理碳生产生产.氧气氧气宝库宝库注：注：yetyet adv.adv.仍然；还仍然；还 I havent realized my goal yet.I havent realized my goal yet.conj.conj.然而；但
38、是然而；但是 Yet Ill keep trying.Yet Ill keep trying.然而然而Para.5:Over the past 50 years,about 17 per cent of the rainforest has disappeared due to human activities such as agriculture and cattle farming.As the impact of human activities continues to grow and the list of species in danger of extinction beco
39、mes longer,we are left with a question:can we afford to damage the“lungs of the planet”?注意主谓一致注意主谓一致由于；因为由于；因为conj.因为因为面临灭绝的危险；濒危面临灭绝的危险；濒危注：注：afford to doafford to do 承担得起做某事（的后果）承担得起做某事（的后果）留给我们一个问题留给我们一个问题lungs of the planetPara.5 Importance&Dangerfix carbonproduce oxygena treasure house of speci
40、es2.What is the major threat to the rainforest?1.What is the function of the rainforest to us?Us.using metaphors16_ 给带来起色，注入活力17_ 被称作;作为出名18_ 由于，因为19._ 承担得起做breathe life into.breathe life into.be known as.be known as.due todue toafford to doafford to doPost-reading.重点句型1亚马孙雨林面积约600万平方千米，是中国国土面积的一半以上
41、。With an area of around 6 million square kilometres,the Amazon rainforest _ China.2亚马孙雨林得名自亚马孙河。亚马孙河长约6 400千米，比长江还长约100千米。The Amazon River,_ the rainforest gets its name,is close to 6，400 kilometres in lengthroughly 100 kilometres longer than the Yangtze River.3随着人类活动的影响不断增加，濒危物种的名单越来越长，这留给我们一个问题：我们
42、能承担得起损害“地球之肺”的后果吗？_ the impact of human activities continues to grow and the list of species in danger of extinction becomes longer,we are left with a question:can we afford to damage the“lungs of the planet”？is more than half the size ofis more than half the size offrom whichfrom whichAsAs The worl
43、d we live in is full of amazing w_.Among them,the Amazon rainforest is a natural treasure,A huge sea of green _ with the sounds of animals.As the largest rainforest in the world,it plays a s_ role in m_ the fine balance of theEarths e_.Fill in the blanks according to the scriptondersaliveignificanta
44、intainingycosystem The Amazon rainforest c_ into eight countries and one o_ region,all on the South America c_.With an _ of around 6 million square kilometres,theAmazon rainforest is more than half the _ of China.The Amazon River,_which the rainforest gets its name,is close to 6,400 kilometres in l_
45、r_ 100 kilometres l_ than the Yangtze River._ its journey from the mountains to the ocean,the river supports many different e_.They give this area the r_ biodiversity on the Earth.rossesverseasontinentareasizeengthouglyongerOncosystemsichestfromFill in the blanks according to the script More than 40
46、,000 plant s_ can be found in the Amazon.The forests different levels support an u_ variety of wildlife.At the b_,there is a system of roots b_ the ground.Above that _ the mass of leaf litter on the dark floor.The next level is _shorter plants with large leaves.Then there are the t_ ancient hardwood
47、s,and finally the tops of the tallest trees many metres above the ground.Each level of the forest forms its own little world,_ to different kinds of living things.peciesnbelievableottomeneathismade up ofoweringhomeFill in the blanks according to the scriptThe Amazon rainforest b_ life into the plane
48、t by f_carbon and p_ over 20%of all the Earths oxygen.Thus,it is k_ as the“lungs of the planet”.M_,the Amazon rainforest is a treasure house of species,used for food or m_.Yet,there are some hidden unavoidable dangers to these i_ plants and animals.One danger is that the soil in the Amazon is poor i
49、n n_.Actually,the poor soil can not support a_ for morethan a few years.Why is the soil so poor?reathesixingroducingnownoreoveredicinerreplaceableutrientsgricutureFill in the blanks according to the script_,the rainy seasons water _ away the nutrients in the soil.For another thing,on _ of the hot cl
50、imate,it is hard for the soil to b_ _ enough nutrients.The nutrients of dead plants and animals are soon t_ in by the roots of plants b_ the ground,and then are l_ up in the plants themselves,thus _(allow)them to grow at an u_ speed.Finally,the soil will become poorer with time going by.takesuildupa
