1、 Unit4 Astronomy:thescience of the starsWhat interests you in astronomy?Do you know any questions that astronomers are interested in?Warming upHow the universe began?How life began?Is there life on other planets?Are there other life forms in the universe?Do you know how many planets circle around th
2、e sun in our solar system?What are they?Can you match the names with the planets?Pre-readingReading1.Each religion and culture has its own ideas about how life began on earth.Discuss the pictures in pairs and match them.AIn China,we all know that Pangu separates the sky from the earth.BThe Goddess N
3、wa mended the heaven and created human beings.CIn western culture,God created the world in six days.DNowadays it is widely accepted that universe began with a“Big Bang”BCAD Paragraph 1 Paragraph 2 Paragraph 3 Paragraph 4 Paragraph 5 AHow humans appeared and what effects they have caused to the earth
4、.BWater is very important for life on the earth.CHow the earth formed.DHow the plants and animals on the earth developed.EIt is widely accepted that the universe began with a“Big Skim the passage and match the main idea with each paragraph.Put the order of development of life into a timeline.A.Insec
5、ts and amphibians appeared.B.Dinosaurs appeared.C.The earth became a solid ball.D.Small plants grew on the water.E.Reptiles appeared.F.Plants began to grow on land.G.The earth was a cloud of dust.H.Water appeared on the earth.I.Shellfish and other fish appeared.J.The universe began with a“Big Bang”K
6、.Clever animals with hands and feet appeared.L.Mammals appeared.JGCHDIFAEBLKRead the passage and then choose the best answers according to the passage.1What began to appear on the earth s surface when it cooled down?AWater.BGases.CAcids.DCarbon.2From the last paragraph we can infer that the author i
7、s _.Aconfident BsadCconcerned DangryCareful reading3.What does the word“they”refer to in the sentences“It exploded loudly with fire and rock.They were in time to produce carbon,nitrogen,water vapour and.”？A.Planets B.Stars C.Gases D.Fire and rock.4Which is the right order of the development of life?
8、ASmall clever animalsshellfishdinosaursmammals.BShellfishdinosaurssmall clever animalsmammals.CShellfishdinosaursmammalssmall clever animals.DDinosaursshellfishmammalssmall clever animals.5Why were mammals different from other life forms?ABecause they gave birth to young baby animals and produced mi
9、lk to feed them.BBecause they produced young generally by laying eggs.CBecause they were able to live on land as well as in the water.DBecause they live on grass.Discussion1.Why was the earth different from the other planets?Because water remained on the earth.2.Why did the plants grow before the an
10、imals came?Because plants provided oxygen for animals to breathe.3.Why is it wrong to show films with dinosaurs and people together?Because dinosaurs died out long before human beings developed on the earth.4.There used to be nine planets in the solar system.Recently scientists have decided that one
11、 of them can no longer be considered a planet.Do you know the name of that planet?Do you know why they removed it?The name is Pluto.Scientists now think it is too small to be called a planet.5.What problem is caused by human beings?Human beings cause global warming.1.Small plants in water2._ and all
12、 sorts of fish3.Green _ on land4._(on land)5.Amphibians(on land and in _)6.Plants grew into _.8._(on land)9._(on land)Talk about the development of life7._(on land)10._(small clever animals on land)ShellfishInsectswaterplantsforestsReptilesDinosaursMammalsHuman beingsHomework1.Search the Internet fo
13、r information of the development of life and find more solutions to global warming.2.Finish the exercises on page 28.1.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。
