必修三-Unit4-language-points

1、2021/8/21Unit 4 Astronomy: the science of the stars2021/8/22is the scientific study of the u_ and the heaven bodies (such as the sun, the moon, and s_), gas, and d_ within it. astronomerniversetarsust2021/8/23solar systemjrns vinsm:zmrkjridu:ptneptju:n st:n2021/8/24 Each religion and culture has its

2、 own ideas about how life began on earth. In Chinese legend, _ separates the sky from the earth and _ made humans. In Bible, _ created the world in _ days.NvwaPanguGod 7And God said, Let there be light: and there was light.神說(shuō)說(shuō)，要有光，就有了光。2021/8/25How life began on the earth?How life began on the earth

3、?2021/8/261. Whats the writing style of the text? A. Narrative A. Narrative B. Expository B. Expository C. Descriptive C. Descriptive D. Persuasive D. Persuasive2. How does the author develop A. Give examples B. In time order C. Comparison B. Expository 說(shuō)明文說(shuō)明文 B. In time order2021/8/27Choose the mai

4、n idea for each paragraph( )The arrival of humans and their impact on the earth( )The formation of the earth( )The development of plants and animals on the earth( )A widely accepted theory about the formation of the universe( )The importance of water for life542132021/8/28Para. 1It is a widely accep

5、ted theory that the universe began with a _.“Big Bang” threw _ in all directions, and atoms began to form and combine to create _ and other _.“Big Bang”matterstars bodies2021/8/29Para. 2: The formation of the earth For several billion years after the “Big Bang”, the earth was a _ and what it was to

6、become was _. Between 4.5 and 3.8 billion years ago, the dust settled into a _. However, the earth was so _ that it exploded with _ and _. As a result, they produced _, _, _ and other gases, which makes the earths _. As the earth cooled down, _ began to appear on its surface.cloud of dustwateratmosp

7、herecarbon dioxide nitrogen water vapourrockfireviolentsolid globeuncertain2021/8/210Para. 3: The importance of water for lifeWhich word in para. 3 has similar meaning with “important”?fundamentalThe _ _ of water is to the development of life.continued presence同義句改寫：同義句改寫：The continued presence of w

8、ater _.made it possible for life to develop2021/8/211Time Place Plants Animals 3 billion years ago540 million years ago250 million years ago65 million years ago Para. 4: The _ of life on the EarthOceans and seasSmall plantsEarly shellfish and all sorts of fishlandforestsGreen plantsInsects; amphibia

9、nsReptilesdinosaursMammalsdevelopmentevolution2021/8/212Para. 5: The arrival of humans and their impact on the earthWhats the main problem that humans bring to the earth?They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth. , the earth may be

10、come too hot to live on.2021/8/213What will happen when we put too What will happen when we put too much CO2 into the atmosphere?much CO2 into the atmosphere? greenhouse effectgreenhouse effectglobal warmingglobal warminganimals will die outanimals will die outplants will die outplants will die outT

11、here will be no life on the earthThere will be no life on the earthrise of the sea levelrise of the sea levelicebergs and glaciers melticebergs and glaciers melt2021/8/214 No one knows exactly how the earth began. Each 1 _ (religious) and culture has its own ideas about how life began on earth. Howe

12、ver, according to a widely accepted theory, the universe began with a Big Bang“. It exploded 2_(violent) with fire and rock. They were in time to produce carbon dioxide, nitrogen, water vapour and other gases. Water had also appeared on other planets like Mars 3_it had disappeared later. 4_ many sci

13、entists believe is that the continued presence of water allowed the earth to dissolve 5_ (harm) gases and acids into the oceans, which made it possible for life 6_ develop. religionviolentlybutWhatharmfulto2021/8/215Many millions of years later, the first extremely small plants 7_ (multiply) and fil

14、led the oceans and seas with oxygen. Later when the plants grew into forests, reptiles appeared for the first time. They produced young generally by 8_(lay) eggs.After that, some huge animals, 9_ (call) dinosaurs, developed. However, 65 million years ago the dinosaurs disappeared, which made possibl

15、e the rise of mammals on the earth. These animals were different from all life forms in the past, because they gave birth 10_ young baby animals and produced milk to feed them.tomultipliedlaying called2021/8/216 太陽(yáng)系太陽(yáng)系 使某人對(duì)某事感興趣使某人對(duì)某事感興趣 對(duì)對(duì)感興趣感興趣 生命的起源生命的起源 宗教和文化宗教和文化 一種普遍被接受的理論一種普遍被接受的理論 四面八方四面八方 及

16、時(shí)；終于及時(shí)；終于 地球的大氣層地球的大氣層 更為重要的是更為重要的是11.在它的表面在它的表面12.與地球不同與地球不同14.對(duì)對(duì)很重要很重要15.允許某人做某事允許某人做某事16.有害氣體有害氣體17.使生命發(fā)展成為可能使生命發(fā)展成為可能18.下蛋下蛋19.仍然是謎仍然是謎20.產(chǎn)生；分娩產(chǎn)生；分娩21.輪到某人；接著輪到某人；接著22.阻止某人做某事阻止某人做某事23.從從逃脫逃脫24.結(jié)果結(jié)果25.取決于；決定于；依靠取決于；決定于；依靠26.解決問(wèn)題解決問(wèn)題2021/8/217 太陽(yáng)系太陽(yáng)系 使某人對(duì)某事感興趣使某人對(duì)某事感興趣 對(duì)對(duì)感興趣感興趣 生命的起源生命的起源 宗教和文化宗教

17、和文化 一種普遍被接受的理論一種普遍被接受的理論 四面八方四面八方 及時(shí)；終于及時(shí)；終于 地球的大氣層地球的大氣層 更為重要的是更為重要的是11.在它的表面在它的表面12.與地球不同與地球不同 solar system interest sb. in sth. be interested in the origin of life religion and culture a widely accepted theory in all directions in time the earths atmosphere What is even more important is that . o

18、n its surface unlike the earth2021/8/21814.對(duì)對(duì)很重要很重要15.允許某人做某事允許某人做某事16.有害氣體有害氣體17.使生命發(fā)展成為可能使生命發(fā)展成為可能18.下蛋下蛋19.仍然是謎仍然是謎20.產(chǎn)生；分娩產(chǎn)生；分娩21.輪到某人；接著輪到某人；接著22.阻止某人做某事阻止某人做某事23.從從逃脫逃脫24.結(jié)果結(jié)果25.取決于；依靠取決于；依靠26.解決問(wèn)題解決問(wèn)題14. be fundamental to15. allow sb. to do16. harmful gases17. make it possible for life to dev

19、elop18. lay eggs19. remain a mystery20. give birth to21. in ones turn22. prevent from23. escape from24. as a result25.depend on26. solve the problem2021/8/219 _ it was to become was uncertain until between 4.5 and 3.8 billion years ago _ the dust settled into a solid globe. _ is even more important

20、is _ as the earth cooled down, water began to appear on its surface.1. _（使大家吃驚的是）（使大家吃驚的是）is that he didnt come to the meeting.2. _（他所做的）（他所做的）added to our difficulty.3. _（我們眾所周知的是）（我們眾所周知的是） is that the 2008 Olympic Games showed a new image of China to the world.重點(diǎn)句型重點(diǎn)句型What surprised usWhat he had

21、 doneWhat is known to us WhatWhatwhenthat2021/8/2203. 水對(duì)于生命的發(fā)展會(huì)起關(guān)鍵作用，這一點(diǎn)在當(dāng)時(shí)并水對(duì)于生命的發(fā)展會(huì)起關(guān)鍵作用，這一點(diǎn)在當(dāng)時(shí)并不明顯。不明顯。_ was not immediately obvious that water was _ _ fundamental _ the development of life.be to do sth. be going to do 計(jì)劃計(jì)劃 must, should 命令；義務(wù)命令；義務(wù) can 可能性可能性 if be to do, 表假設(shè)表假設(shè) No one is to witho

22、ut permission. Such books are to in the library. Their daughter is to soon. If I were to , I would do it well.Itto beto2021/8/2214. 這產(chǎn)生了連鎖反應(yīng)，使生命的發(fā)展成為可能。這產(chǎn)生了連鎖反應(yīng)，使生命的發(fā)展成為可能。This produced a _ _, which made it _ for _ to _.make it + adj. + (for sb. ) + to do sth. 使（某人）做某事變得使（某人）做某事變得翻譯：翻譯： 這個(gè)活動(dòng)讓我們有可能一起

23、合作。這個(gè)活動(dòng)讓我們有可能一起合作。1.新的理論讓他們更容易解決那個(gè)問(wèn)題。新的理論讓他們更容易解決那個(gè)問(wèn)題。The acitivity made it possible for us to work together.The new theory made it easy for them to solve the problem.chain reactionpossible life develop形式賓語(yǔ)形式賓語(yǔ) 真正的賓語(yǔ)真正的賓語(yǔ)2021/8/222拓展：拓展：on time _at times _in no time _once upon a time _kill time _準(zhǔn)時(shí)準(zhǔn)

24、時(shí)有時(shí)；偶爾有時(shí)；偶爾 立刻；馬上立刻；馬上 從前；曾經(jīng)從前；曾經(jīng)消磨時(shí)間消磨時(shí)間2021/8/223The naughty boy _ to me that the hen _ there just now had _ two eggs the day before.liedlyinglaid2021/8/224 消防員盡力阻止大火蔓延。消防員盡力阻止大火蔓延。（prevent from) 當(dāng)警察趕到時(shí)，人群向四面八方跑開(kāi)了。當(dāng)警察趕到時(shí)，人群向四面八方跑開(kāi)了。(in all directions） 自從我們進(jìn)入高中之后，作業(yè)就自從我們進(jìn)入高中之后，作業(yè)就成倍增加成倍增加。（Multiply

25、) 他們他們將將于六月畢業(yè)。于六月畢業(yè)。(be to) 更重要的是更重要的是他很誠(chéng)實(shí)。他很誠(chéng)實(shí)。(what is even more important) 勤奮工作勤奮工作是是成功成功的關(guān)鍵的關(guān)鍵. . ( (be fundamental to) 網(wǎng)上聊天網(wǎng)上聊天使使不同國(guó)家的人保持聯(lián)系不同國(guó)家的人保持聯(lián)系成為可能。成為可能。( (make it possible for sb. to do) 網(wǎng)上聊天網(wǎng)上聊天使使不同國(guó)家的人保持聯(lián)系不同國(guó)家的人保持聯(lián)系成為可能。成為可能。(allow sb. to do)2021/8/225 消防員盡力阻止大火蔓延。（消防員盡力阻止大火蔓延。（prevent from)2. 當(dāng)警察趕到時(shí)，人群當(dāng)警察趕到