高中英語(yǔ)必修三-Unit4-Reading

1、2021/8/141Unit 4 Unit 4 ReadingHow Life Began on the Earth?How Life Began on the Earth?2021/8/142 Spelling Bee 拼字大會(huì)拼字大會(huì) Chinese -English 1 理論，學(xué)說(shuō)理論，學(xué)說(shuō) 2 猛烈的猛烈的 3.不像不像 4.有害的有害的 5.下蛋下蛋 6 存在存在 7 產(chǎn)生產(chǎn)生,分娩分娩 8 輪到輪到sb 9 阻止，制止阻止，制止 10謎，難題謎，難題 11 及時(shí)，終于及時(shí)，終于 English-Chinese 1Big Bang 2atom 3thus 4billion 5 glo

2、be 6 global 7violent 8 carbon dioxide 9 nitrogen 10 vapour 11 atmosphere 12 fundamental 13 presence 14 dissolve 15 acid 16 chain reaction 17 dinosaur 18 multiply 19 oxygen 20 shellfish 21 amphibian 22. reptile 23 mammal 2021/8/143Pre-reading Have you ever asked your mother, “Mom, where do I come fro

3、m”?2. How do human beings come into being? How does the earth come into being?3. In China, there are two legends about these puzzles. Do you know the names?2021/8/144Chinese Legends (傳說(shuō)傳說(shuō)) Pangu separated the sky from the earth.His whole body then turned into all kinds of things in the universe.盤(pán)古開(kāi)天

4、辟地盤(pán)古開(kāi)天辟地2021/8/145Legend: The Goddess Nvwa mended the heaven and created human beings from the clay(粘土粘土).2021/8/146 4. In the western culture, who creates everything in the world?2021/8/1471.Do you believe in such stories? 2.Are they based on science?Think about2021/8/148How life began on the earth

5、 ?2021/8/149P27/2: Put the order of development of life. 8392612105741112021/8/1410Match the main idea with each paragraph. Para. 1 A.The formation(形成形成) of the earth.Para. 2 B.The importance of water for life.Para. 3 C.A widely accepted theory about the formation of the universe.Para. 4 D. The arri

6、val of humans and their impact(影響影響) on the earth. Para. 5 E.The development of plants and animals on the earth.2021/8/1411 Detailed reading This text can mainly divided into two stages.Stage 1 : The development of the _Stage 2 : The development of _(para: 4 5 )(para : 1 3 )earthlife2021/8/1412 Whic

7、h of the following is NOT true? A The earth was a cloud of dust between 4.5 and 3.8 billion years ago. B The earth became violent because it exploded C The earth produced some matter when exploding D Water appeared when the earth explodedcooled down2021/8/1413 Which of the following is true?A There

8、is also water on Mars today.B At first the importance of water was very obviousC Water is based on the development of lifeD The water in the oceans and seas can break down harmful things2021/8/14143 . It can be known from the passage that _. A . Plants and animals appeared on the earth at the same t

9、ime B . Plants appeared later on the earth than animals C . Early shellfish appeared earlier than plants D. Animals appeared later on the earth than plantsD2021/8/14154 . How many years did dinosaurs exist on the earth? A . More than 140 billion years B. More than 140 million years C . More than 140

10、 thousand years D . More than 140 years2021/8/14165 . Why can the earth become too hot to live on? A . Small clever animals produce more heat B. Small clever animals produce too much carbon dioxide C . Small clever animals dont want heat to escape from the earth D . Small clever animals like to live

11、 on a hot planet2021/8/1417Post readingStage 1: The development of the earth.After the Big Bang, The earth was still just a solid globe a cloud of dustThe dust settled into_2021/8/1418with fire and rockCarbon,nitrogen,water vapour and other gases(2) What happened next?The earth exploded Produced_ 20

12、21/8/1419(3) What did they make?the earths atmosphere2021/8/1420began to appeared on it surface(4) What appeared as the earth cooled down?Water2021/8/1421Stage2 The development of lifeStage2 The development of life2021/8/1422 Paragraph4Many millions of years later , began to appear. small plants2021

13、/8/1423shellfish and all sorts of fish (2) next?The later development of early 2021/8/1424 insects(3)on land? began to grow on land ,including some Green plants2021/8/14254. next on land?others called on land as well as in the water . amphibiansLater the plants grew into forests2021/8/1426 reptiles

14、appeared dinosaur developed 5.after forests , what appeared? 2021/8/1427mammals on land6.What after dinosaurs?2021/8/1428 small clever animals7. What life developed after mammals?Para.52021/8/1429We are making the world better.We are making the world worse.Discussion2021/8/1430 solar energy plant tr

15、ees recycle rubbish prevent desertificationsave water purify airWhat can we do to take care of the earth?2021/8/1431Whether life will continue on the earth depends on human beings.2021/8/1432What can we do to take care of the earth?Dear fellow students,Its necessary for sb to do sth As we all know,I

16、nstead of ,It is a waste of 2021/8/1433 1.課本課本63頁(yè)頁(yè) ：1, 2, 4題題. 2.準(zhǔn)備明天的單詞測(cè)驗(yàn)。準(zhǔn)備明天的單詞測(cè)驗(yàn)。Homework2021/8/14341.Why is it wrong to show films with dinosaurs and people together?Because dinosaurs died out long before human beings developed on the earth.2. What problem is caused by human beings?Global warmi

17、ng.Post reading2021/8/1435 1.Who are the small clever animals with hands and feet? 2. Are they taking care of the earth well? Why? Para.5Discussion2021/8/1436 Because they are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.The earth m

18、ay become too hot to live on .2021/8/1437ComprehendingChoose the right answer.金版學(xué)案金版學(xué)案 P84 Task22021/8/1438Sum up According to the passage ,we know the passage mainly explains .After the earth exploded and produced whose continued presence made it possible for life to develop, plants and including a

19、ppeared on the earth.how life beganon the earthwateranimalshuman beings2021/8/1439Post readingDiscuss the following questions.1. Why was the earth different from the other planets?3. Why is it wrong to show films with dinosaurs and people together?2. Why did the plants grow before the animals came?B

20、ecause the water remained on the earth.Because dinosaurs died out long before human beings developed on the earth.Because plants provided oxygen for animals to breathe.2021/8/14404. There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be

21、considered a planet. Do you know the name of it? Do you know why they removed it?5. What problem is caused by human beings?Its name is Pluto. Scientists now think it is too small to be called a planet.Global warming.2021/8/1441Can you find their English in the reading?1. 隨后它會(huì)變成什么一直無(wú)法確定隨后它會(huì)變成什么一直無(wú)法確定

22、, 直到約直到約45億至億至38億年億年, 這團(tuán)塵埃最終變成一個(gè)固體圓球。這團(tuán)塵埃最終變成一個(gè)固體圓球。2. 地球變得如此激烈動(dòng)蕩地球變得如此激烈動(dòng)蕩, 以致于不知道這個(gè)以致于不知道這個(gè)形狀是否會(huì)繼續(xù)存在下去。形狀是否會(huì)繼續(xù)存在下去。3. 更重要的事，隨著地球的冷卻，地球的表面更重要的事，隨著地球的冷卻，地球的表面就開(kāi)始出現(xiàn)了水。就開(kāi)始出現(xiàn)了水。4. 很多科學(xué)家相信很多科學(xué)家相信, 水的繼續(xù)存在使地球得以水的繼續(xù)存在使地球得以把有害氣體和酸的物質(zhì)溶解到海洋里。把有害氣體和酸的物質(zhì)溶解到海洋里。2021/8/1442Lets review the evolution of life on the

23、 earth.2021/8/1443After the “Big Bang”, the earth was full of water.2021/8/1444Original cells appeared in the ocean.2021/8/1445The cells in the water began to separate. Marine animals came into being.2021/8/1446Some animals (amphibian & insects) came to land.2021/8/1447Reptile appeared.2021/8/1448dinosaurs 2021/8/1449mammals2021/8/1450Man had evolved from apes. 2021/8/1451Understand the meaning of the new wordstheory n. 學(xué)說(shuō)；理論學(xué)說(shuō)；理論 harmful adj. 有害的有害的 Big Bang 宇宙大爆炸宇宙大爆炸 a