人教高中英语必修3Unit4Reading优秀课件26.pptx（纯ppt,可能不含音视频素材）

1、Book 3 Unit 4Astronomy:the science of the starsReading:How life began on the earth1、Grasp(掌握掌握)the main words and phrases that are relevant to this text,understand the general information about how earth began and how life began on the earth by reading.Learning aims:2、Cultivate（培养）（培养）the ability of

2、 skimming,scanning,searching for the main idea in a short time and the speaking ability.3、Realize the importance of protecting our home-earth.水星水星 金星金星地球地球火星火星木星木星土星土星天王星天王星海王星海王星 Scientists now think Pluto is too small to be called a planet.How did life begin on the earth?How did life begin on the

3、earth?In Chinese culture:Pangu separated the sky and the earth;Nvwa made human beings with clay(黏土黏土).How did life begin on the earth?How did life begin on the earth?In Western culture:God created the world in 7 days.On the 6th day,he created humans:Adam and Eve ”(大爆炸大爆炸)How did life begin on earth?

4、How did life begin on earth?According to a widely accepted theoryuniverseformationearthformationimportancewaterdevelopmentplantsanimalshumansarrivalinfluenceDevelopment of lifeDevelopment of earth-which made it possible for life to developDevelopment of earth:P1-3globeDevelopment of life:P4-5 After

5、water appeared,small plants appeared_,which encouraged the development of _.shellfish and all sorts of fishon the surface of the waterNext,green plants began to grow _as well as_-_and _,which can live both on land and in the water.amphibianson land land animalsinsects Later,when plants grew into_,_

6、appeared for the first time.Some huge animals,called _,developed,they produced young by laying eggs.reptilesdinosaursforestsWhat kind of animals developed after dinosaurs?About 65 million years ago,dinosaurs disappeared,after that,_ became more important.mammals came into being and spread all over t

7、he world.What kind of animals developed after mammals?HumansThey developed new methods of growing food,hunting and moving around.As time went by they covered the earth and have become the most important animals on the planet.small clever animalsConsolidationWork in pairs to find out the right answer

8、 of each question.Then tell us where did you find the answer.1.According to a widely accepted theory,the universe began with _A.a legend B.a story C.a“Big Bang”D.an earthquake2.The earth at first was just a cloud of _,then it settled into a solid _.At last it exploded loudly with _ and _.Choose the

9、right order of the answers.A.globe rock fire dustB.dust globe fire rockC.dust fire rock globeD.fire rock dust globe3.Which is not the matter to make the earths atmosphere?A.carbon dioxide B.nitrogen C.atoms D.water vapour4.In which planets had water appeared?A.Venus and Earth B.Mars and SaturnC.Eart

10、h and Mars D.Jupiter and Earth5.What made it possible for life to develop on the earth?A.the oceans and seas B.presence of waterC.a chain reaction D.gases and acidConsolidationNow,I m worried about the future of myself and humansAs a student,what little things can we do for the earth?What can we do

11、to take care of the earth?use solar energypurify(净化净化)air plant treessave waterrecycle（循环）（循环）rubbishprevent desertification（荒漠化）（荒漠化）use cloth bagsuse plastic(塑料的塑料的)bagstake a bus to go to schoolride bikes to go to schooltake a car to go to schoolset off fireworkssave paperturn off the tap(水龙头水龙头)

12、after using turn off lights on timeeat more meatprotect animalsMan has but one earth!To save the earth is to save ourselves!SummaryformationformationimportancedevelopmentarrivalinfluenceuniverseearthwaterplantsanimalshumansHomework1.Write a short passage about how to protect the earth.2.Read and ret

13、ell the passage to learn the main and difficult language points.1.美育包括美术教育和审美教育,文化是美育的底色和灵魂,不能忽视文化精神的培养。2.欣赏中国绘画,应该了解其中计白当黑、浓淡生趣、意境天成等艺术手法和精神追求。3.美育在中国近代历史上是一个很重要的概念,一直承载了爱国救亡、除弊振新的重任。4.当下美育应重传统轻西方,融汇西方与民族、古典与现代的文化,形成好的审美教育体系。5.要推动人工智能规模化应用,就必须推动人工智能与各行业融合创新,在制造、农业、物流、金融等重点行业和领域开展人工智能应用。6.美国各执行机构每年与白宫主管预算科技政策办公室沟通,说明优先推动人工智能发展情况,按时列明计划,可期获得该项目预算优先权。7用金银珠玉来装点堂皇的宫殿庙宇，这种行为使得大量珍贵的人力物力降低为符号的陪衬，只能揭示意义的贫瘠和精神的无力。8让日常的景色转换成大师的杰作，使普通的词语凝结成千古不朽的诗句，这些审美和艺术创造，体现着人的精神世界的富足。9“富”的美应该是一种由内而外的富贵气，它是一种自然流露的美，它得自个人长期的、自觉的涵养，也得自社会的普遍氛围，与金钱没有必然关系。