Unit 1 Nature in the balance Reading2 Language points(ppt课件)-2023新牛津译林版(2020)《高中英语》必修第三册.pptx

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1、 Language pointsLanguage pointsThe world we live in is full of natural wonders.The documentary script below describes the Amazon rainforest,which is home to a wide range of wildlife.be home to.是是.的家园的家园a wide range of.广泛的广泛的Welcome to the jungle,a huge sea of green alive with the sounds of animals.T

2、his 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.a sea of 大片的,成片的see a sea of smiling facesbe alive with 充满着,到处都是(活的或动的东西)play a/an important/vital/critical/crucial role/part in doing sth在.中起作用 The

3、 Amazon rainforest:a natural treasure欢迎来到丛林,这是一片绿色的海洋,处处都可以听到各种动物的声音。作为世界上最大的雨林,它在维系地球生态系统的良好平衡上扮演着重要的角色。作作the jungle 的同位语的同位语【语境应用语境应用】请请将下列汉语句子译成英语将下列汉语句子译成英语。1.1.北京北京是个生机勃勃的城市是个生机勃勃的城市。2.2.没有水,地球上将没有生物没有水,地球上将没有生物。3.3.我们不知道他是否还活着我们不知道他是否还活着。4.4.无论发生什么,请保持希望无论发生什么,请保持希望。Beijing is a lively city.Be

4、ijing is a lively city.Without water,there will be no living things on earth.Without water,there will be no living things on earth.We dont know whether he is alive or not.We dont know whether he is alive or not.Whatever happens,please keep your hope alive.Whatever happens,please keep your hope alive

5、.1.The enemy officer was caught _.2.The _ are more important to us than the dead.3.Last night there were millions of people watching the opening ceremony_ on TV.4.Young children are usually _.5.商店里到处都是五彩缤纷的装饰,我们都不知道先往哪里看。译:The store _ _ _ colorful decorations and we didnt know where to look first.u请

6、用 alivelivelivelylivingbe alive with填空alivelivinglivelivelywas alive with The Amazon rainforest crosses into eight countries,including Brazil and Peru,and one overseas region of France,all on the South American continent.With an area of around 6 million square kilometres,the Amazon rainforest is mor

7、e 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.On its journey from the mountains to the ocean,the river supports many different ecosystems.They give this area the riches

8、t biodiversity on the Earth:one in ten known species in the world can be found here.cross into 横跨横跨with an area of面积为面积为.介词+relative pronouns(which/whom),引导非限制性定语从句,用逗号隔开be close to (时间/空间)接近,几乎in length 在长度上roughly adv.粗略地,大约;粗暴地;粗糙地on the earth 在地球上on earth究竟,到底What on earth do you mean?one in ten

9、十分之一十分之一分数表达:分数表达:亚马孙雨林穿过包括巴西、秘鲁在内的八个国家,以及一块法国亚马孙雨林穿过包括巴西、秘鲁在内的八个国家,以及一块法国的海外领地,都位于南美洲大陆。亚马孙雨林的面积约为的海外领地,都位于南美洲大陆。亚马孙雨林的面积约为600600万万平方千米,比中国国土面积的一半还要大。平方千米,比中国国土面积的一半还要大。亚马孙雨林得名于亚亚马孙雨林得名于亚马孙河马孙河,亚马孙河长约亚马孙河长约6,400千米千米,比长江还长大约比长江还长大约100千米。这千米。这条河从高山到海洋的沿途中,它维系着多种不同的生态系统。它条河从高山到海洋的沿途中,它维系着多种不同的生态系统。它赋予

10、这片区域地球上最丰富的的生物多样性:赋予这片区域地球上最丰富的的生物多样性:全世界十分之一的全世界十分之一的已知物种,都可以在这里找到。已知物种,都可以在这里找到。NoImage 倍数的表达方式:倍数的表达方式:倍数倍数+the height/weight/length/size of 倍数倍数+as+adj/adv(long/high/large)+as (n-1)倍数倍数+adj/adv的的比较级比较级 than A +谓语动词谓语动词 +B地球是月球的地球是月球的4949倍。倍。The earth is 49 times the size of the moon.The earth is

11、 49 times as large as the moon.The earth is 48 times larger than the moon.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.The forests different le

12、vels support an unbelievable variety of wildlife.At the bottom,there is a system of roots beneath the ground.be known to 为.所知be known for 因.而出名=be famous forShe is known to everyone in the college.He is known for his beauty.be+adj.+enough to do sth 足够做某事He is old enough to go to school.lie down 躺下躺下

13、variety n.不同种类 U变化,多样性 C变种,变体a(wide/great/large)variety of 各种各样的=various of=all kinds/sorts ofa variety of+n复+v复各种各样的the variety of+n复+v单的品种various adj.各种各样的vary vi.变化;改变;相异vary in 在方面不同vary fromto从到之间变化/不等在我们已知的39万植物种类中,4万多种可以在亚马孙找到。这棵高大、古老的巴西坚果树结出我们可以食用的坚果;这些睡莲(叶片)大到可以躺在上面。雨林的不同层次养活的野生动物种类多到难以置信。在

14、底层是地下根系,往上是阴暗森林地表厚实的落叶层。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 the forest forms its

15、 own little world,home to different kinds of living things.leaf litter落叶层落叶层be made up of 由由.组成组成the tops of.在在.的顶部的顶部be home to.的家园的家园Above that位于句首,句子要完全倒装(谓语应与其后面的主语保持一致)mass n.C大量;许多,团;块;堆adj.(仅用在名词前)大批的;广泛的;大规模的;民众的the mass of 大多数=the majority ofa mass of=masses of 许多the masses群众massive adj.厚重的

16、;巨大的再往上一层由较矮的阔叶植物组成。然后是高耸、古老的阔叶树,再往上一层由较矮的阔叶植物组成。然后是高耸、古老的阔叶树,最后是那些离地数米之高的大树的树冠。雨林的每一层都形成自最后是那些离地数米之高的大树的树冠。雨林的每一层都形成自己的小世界,成为各种生物的家。己的小世界,成为各种生物的家。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 c

17、oat with black spots.While a significant number of jaguars survive here,they are only one element of this forests food chain.a number of.大量的+名词的复数the number of.的数量+名词的复数more than超过less than 少于survive vi.生存,存活;继续存在survive on 依靠生存下来 vt.幸存;艰难渡过;比活(存在)的时间长She survived her husband by ten years.survivor n

18、.幸存者survival n.幸存U;残余物;幸存物C1,3001,300多种鸟和多种鸟和400400多种哺乳多种哺乳动物藏身于这片丛林的植被动物藏身于这片丛林的植被中。中。美洲豹就是个例子。它美洲豹就是个例子。它黄棕色的皮毛上遍布着黑点。黄棕色的皮毛上遍布着黑点。尽管相当多的美洲豹生存在尽管相当多的美洲豹生存在这里,但它们仅仅是雨林食这里,但它们仅仅是雨林食物链上的一环。物链上的一环。break down使分解,使变化;消除;打破;出故障;抛锚;失败;崩溃;垮掉break n.破裂;间歇;休息;中断;暂停 v.(broke,broken)损坏;中断;使破,裂take/have a break

19、 休息一会儿without a break 连续不断地 它们捕食的物种至少有它们捕食的物种至少有8787种,种,其中包括青蛙。相应地,这些其中包括青蛙。相应地,这些青蛙以昆虫为食,这些昆虫吃青蛙以昆虫为食,这些昆虫吃树叶和水果。当一只美洲豹死树叶和水果。当一只美洲豹死后,一小群微生物会帮助分解后,一小群微生物会帮助分解尸体,让营养素重回土壤中。尸体,让营养素重回土壤中。in turn 相应地;转而;in return作为回报by turns 轮流地in ones turn 轮到某人take turns to do sth/(in)doing sth轮流做某事Its ones turn to d

20、o sth.轮到某人做某事。the turn of the century/year 世纪之交/新年伊始;辞旧迎新之际 One good turn deserves another.善有善报。They feed on at least 87 species,including frogs.These frogs,in turn,feed on insects which eat leaves and fruit.When a jaguar d i e s,a t i n y a r m y o f microorganisms helps break down its body and ret

21、urn the nutrients to the earth.feed on以.为食 at least 至少tiny(adj)极小的,微小的an tiny army of 一小群return to 回到,返回,表示回到哪里回到,返回,表示回到哪里 return back返回,归还,报答,回报,返回,归还,报答,回报,常用于归还东西常用于归还东西If I could return the time,I would put you first in my life.The Amazon rainforest breathes life into the planet by fixing carbo

22、n 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 house of species that can be used for food or medicine.Yet there is one major danger to these irreplaceable plants and animals:us.breathe life int

23、o 给.带来起色,注入活力be known as 作为.而出名+角色,身份be known/famous for以.而闻名be used for sth/doing sth被用来做某事used to do sth表示过去的动作和状态would do sth表示过去的动作be used to doing sth习惯于irreplaceable不可替代的replace-replaceable-irreplaceable亚马孙雨林通过固定碳,亚马孙雨林通过固定碳,以及生成占全球总量以及生成占全球总量20%20%以以上的氧气来为地球注入活上的氧气来为地球注入活力。因此,它也常常被称力。因此,它也常常被

24、称作为作为“地球之肺地球之肺”。此外,此外,亚马孙雨林还是可以用作亚马孙雨林还是可以用作食物和药物材料的物种食物和药物材料的物种宝宝库库。然而,这些无可取代。然而,这些无可取代的动植物面临的一个主要的动植物面临的一个主要威胁就是:我们。威胁就是:我们。due to(状/表/后定,不在句首)=because of(状,指出原因)/owing to(状;可放句首)由于due adj.应付的,到期的Payment is due on 1 October.adj.预订的;预期发生(到达)的be due to do 预计/预期做adj.欠下的;应给的(+to sb/sth)adj.适当的disappea

25、r vi.不复存在,灭绝;消亡;失踪disappear behind/under/into 消失在disappear from sight/view从视野中消失disappearance n.消失appearance n.出现;外表;容貌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

26、 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”?be in(great)danger处于危险之中in danger of 处于.危险之中extinct(adj)灭绝的,消亡的extinction(n)灭绝afford to do sth 支付得起去做某事impact=influence影响(n/v)have an effect/impact/inf

27、luence on=impact on对.有影响damage vt.损害/坏,破坏n.U损害,伤害 pl损害赔偿金do damage to 对造成伤害在过去的在过去的5050年里,由于农年里,由于农耕和养牛等人类活动,耕和养牛等人类活动,17%17%的雨林已经消失。的雨林已经消失。随着人随着人类活动影响的不断增加,类活动影响的不断增加,濒危物种的名单越来越长,濒危物种的名单越来越长,这留给我们一个问题:我这留给我们一个问题:我们能承担得起损害们能承担得起损害“地球地球之肺之肺”的后果吗?的后果吗?1.for+时间段;I have learned English for ten years 2常见的副词:lately;recently,just,up to now,till now,so far,these days,in the past few yearsmonthsweeksdays 3注意:for+时间段;since+时间点 They have lived in Beijing for five years They have lived in Beijing since l995 4 第几次做某事,后面跟现在完成时This is the first time that I have watched stars through a telescope

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