河北省新乐市第一中学高中英语必修三课件unit4共33张PPT.docx

1、河北省新乐市第一中学高中英语必修三课件unit4共33张PPTUnit 4KAGAYA ahttp:/www. hoshinavi.wm/ .systemtheory religion religious billion, million globe, global violent, violence atmosphere unlikepersent, presenceharmful, be harmful toharm do harm toact action reactionmultiplyexist, existencepuzzle, puzzling, puzzledbiology,

2、biologist, geologist, physicistgravitysatellitegentle, gentlyclimatecrashfloatweightlesslyexhaust, exhausted, exhaustinglay eggsgive birth to in one，s turn preventfrom block out cheer up now that break out watch out1太阳系2.全球的 4 宗教5 气氛6激烈的，强暴的 7 有害的8乘，增加9.下蛋 10产生，分娩11.挡住12.既然13.当心14重力15.人造卫星 16.温和的 17

3、 气候MainBodyParagraph 1 A widely accepted theory about the formation of the universeParagraph 2: The formation of the earth Paragraph 3: The importance of water for lifeParagraph 4 The development of plants and animals on the earthParagraph 5: The arrival of humans and their impact on the earthQ1:Wha

4、fs the main idea of the text?A.how did water begin?B.how did earth begin ?C how did man begin ?bhow did life begin ?The development of lifewaterPlants in the waterPlants onShellfishand fishInsects and amphibiansReptilesDinosaursA cloud of dustCombine into a soZAf ball xpZ0dlft.with fire & rock (prod

5、uce carbon,nitrogen9water vapour and other gases) Cool downLife begandissolve harmful gases into .The development of lifesmall plants grow oresenee of waterappearlandplants begin to grow on dryI reptiles appeardinosaurs appearinsects and amphibia ns appearIn some films and stories, we can see dinosa

6、urs and people together. Is it right? Why?HOUL.YVW3ODBecause dinosaurs died out long before human beings developed on the earth.According to a widely accepted with a “Big Band” that threw matterFor several billion years after that, the earth was just aanin all directionscloud of dust. The earth beca

7、me sothat it was notclear the shape would last or not. It loudlywith fire and rock, which were to produce 期iolentwater vapour and other gases. Then small plants grew .They W 嘉nd filled the oceans and seas withoxygen. Many millions of years later the first greeitl)ltilBLC began to on land. When the p

8、lants grew into forests, appeared for the first time. They produced young generallyilmiltipliggs.explodedgrowreptileslayingpreventsfrom escapingdepend onAfter that, dinosaurs developed. They eggs too andjjon the earth for more than 140 million years. Whymi&tedrs suddenly disappeared still a mystery.

9、When they disappeared, became more remainsimports nt. Now small clever animals with appeared and all over thethey covered the earth and they are putting too much carb on dioxide into the from continue on earth for whether this problem can be solvedatmosphere1 .According to a widely accept接受）theory,

10、theuniverse began with a 6Big Bang99 that threw2.what it was to become was imcertain.3.The earth became so violent that it was not clear whether the shape would last or not.4.They were in time to produce carbon,nitrogen, water vapour and other gases, which were to make the earths atmosphere.5.what i

11、s even more important is that as the earth cooled down, water began to appear on its surface.6.It was not immediately obvious that water was to be fundamental to the development of life.7.what many scientists believe is that the continues presence of water allowed the earth to dissolve harmful gases

12、 and acids into the oceans and seas.8.This produced a chain reaction, whiclmade it possible for life to develop.9.They multiplied and filled the oceans and seas with oxygen, which encouraged the later development of early shellfish and all sorts of fish.10.Why they suddenly disappeared still remains

13、 a mystery.11.They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.12.Sowhetheriife will continue on the earth for millions of years to come will depend on whether this problem can be solved.l.The discovery of gold in Australia led

14、 thousands tobelieve that ai forture A. is madeBe would makeC. was to be madeDe had made（2001 海）2. In such dry weather, the flowers will have to be watered if they1 他处于极度痛苦之中，因此他表现得很粗暴, 一切都以暴力对待。He was in violent pain. As a result, he behaved violently and treated everything with violence.2月球上没有东西生存

15、，因为那里没有水和空气。Nothing exists on the moon as there is no water and no air.3我们很有可能下周会考试。It is likely that we will take an exam next week.We are likely to take an exam next week.4.玩手机对我们学生有害。Playing mobilphone does harm to us students.Playing mobilphone is harmful to us students.5他脸上困惑的表情表明了他对那个令人困惑的数 学问

16、题感到困惑。The puzzled look on his face suggested that he was puzzled about the puzzling math problemThe puzzled look on his face suggested that he was puzzling about/over the puzzling math problem.6只要你不放弃，总有一天你会成功的。You will succeed in time so long as you doif t give up.7.这周轮到我打扫教室了。It is my turn to clea

17、n the classroom this week.We take turns to clean the blackboard.9.没有什么能够阻止我努力学习。Nothing could prevent me from studying hard.10.他的努力学习使他成功成为可能。His hard study made it possible for him to succeed.11.那个孩子撒谎说刚才躺在这的公鸡两天前下了两个蛋The boy lied that the cock that lay here just now laid two eggs two days before.1

18、2.恐龙为什么突然消失了还是一个迷.Why the dinosaurs suddenly disappeared still remains a mystery.很明显人类让地球生病了很多树木被砍伐引发了很多 沙尘暴有害气体未经处理就被排(release)到大气中由于二 氧化碳的过度排放(over emission)全球变暖越来越严重我 们要怎么做才能阻止地球进一步被污染呢？首先，我们应该 尽可能多的植树来吸收二氧化碳其次，我们可以循环使用 像水，纸张等资源第三，如果我们更多的使用公共交通的话 会更节能更环保只有当我们意识到好的环境对我们的生活是根本的时候才能有效果未来 的生活是否回持续下去取

19、决于我们人类自己.It is obvious that man is making the earth sick. Many trees have been cut down，thus causing more sandstorms. Many harmful gases have been released into the atmosphere without being dealt with. The global warming is becoming increasingly serious as a result of the over emission of carbon dio

20、xide. What can we do to prevent the earth from being polluted further? First, we should plant as many trees as possible, for they can take in carbon dioxide. Second，we are expected to recycle the resources such as water and paper. Third, it would be better if we use public transportation which will

21、be energy saving and environmentally friendly. Only when we all realize a good climate is fundamental to our life can we make a difference. Whether life will continue on the earth depends on us human beings.Using language1.The two boys finally arrived home after three days trip， (exhaust).2.On weeke

22、nds，father bed and asks me to run with him.3旦你掌握了技巧，游泳就不会那么难了。Swimming is not that difficulty once you it.4.The boy looked at his father， A.toamaze B.amazing C.amazed D.being amazed5.Its just among countries to host the Olympicsas to win an Olympic medaLA .much as a competition B.as a much competiti

23、on Cas much a competition D.a competition as much6.Some parts in South China have experienced thisyear as they did last yeanA twice as much rain B rain twice as muchC as twice much rain D. twice rain as much7.Before we left，Li Yanping explained to me that the forceof gravity would change three times

24、 and the firstchange would be the most powerful.飞机在山中坠毁，结果死了60人。The plane crashed in the mountains, killing 60 people.2. Be careful when you open an unknown document. It might contain the deadly virus which could entirely your computer system in a minute.A. explode B. crash C. multiply D. dissolve离站，使摆脱困境匆忙穿上拆毁恢复健康，度过难关pull outpull onpull uppull down pull through get through live throughThe doctor doubted whether the patient would live through that month.It is hard to see how people will get through the winter.