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1、人教高中英语必修人教高中英语必修3Unit4reading-(3Unit4reading-(共共3131张张PPT)PPT)Unit4Astronomy：the science of the starsHow many planets in the solar system?What are the names of the eight planets that circle our sun?Questions:海王星海王星 Saturn Saturn 水星水星Uranus Uranus 金星金星Venus Venus 地球地球Earth Earth 火星火星Mars Mars 木星木星Mer
2、cury Mercury 土星土星Jupiter Jupiter 天王星天王星Neptune Neptune Knowledge aims:Get the students to learn some useful words and expressions.Ability aims:Develop the students reading ability and let them learn to use some reading strategies.Emotional aims:Stimulate the students love for nature by getting them
3、to protect our only earth.1.The origin of life on earth is a question that interests astronomers.What do you know about it?Pre-reading2.Each religion and culture has its own ideas about how life began on earth.What do you know?In China,we all know that Pangu separates the sky from the earth and Nvwa
4、 made humans.Pangu separates the sky from the earth.中国神话传说中有盘古开天地的说法。中国神话传说中有盘古开天地的说法。巨人盘古用一把利斧劈开混沌巨人盘古用一把利斧劈开混沌,将天地分将天地分开。死后开。死后,他的气息化成风和云他的气息化成风和云,声音变声音变成轰轰的雷声成轰轰的雷声,左眼化为太阳左眼化为太阳,右眼化为右眼化为月亮月亮,手足与四肢变成大地的四极与五方手足与四肢变成大地的四极与五方的名山的名山,血液化成江河血液化成江河,筋脉铺成道路筋脉铺成道路,肌肌肉形成田地肉形成田地,须发成为星星须发成为星星,牙齿和骨骼牙齿和骨骼化为金属、珍珠
5、、玉石化为金属、珍珠、玉石,汗水成为滋润万汗水成为滋润万物生长的甘霖和雨露。物生长的甘霖和雨露。Nvwa made humans.Other legends about the beginning of universe.The Biblical AccountDay 1:God spoke and separated light from darkness creating Day and Night.Day 2:God spoke and separated the water creating sky and ocean.Day 3:God spoke and created dry l
6、and.Day 4:God spoke and created the sun,moon and stars.Day 5:God spoke and created living creatures in the air and sea.Day 6:God spoke and created the land animals and man.Day 7:God rested and blessed this day calling it Holy.ReadingHOW LIFE BEGAN ON THE EARTHScanningI.Read the passage quickly and m
7、atch the main idea with each paragraph.Para.1 A.The arrival of humans and their impact on the earth.Para.2 B.The formation(形成形成)of the earth.Para.3 C.The development of plants and animals on the earth.Para.4 D.A widely accepted theory about the formation of the universe.Para.5 E.The importance of wa
8、ter for life.Please discuss with your partners in group to solve the problems you have come across when you did the exercise of the workbook.The answers are following:1.D 2.B 3.C 4.A 5.D Please express your own opinions and explain the reasons.Close reading Read the passage carefully and put the ord
9、er of development of life into a timeline according to the text of your workbook.Big Bangcloud of dustsolid ballwatersmall plantsshellfish and fishgreen plantsamphibiansreptilesdinosaursmammalsclever animalsWhat you have learnt from last sentence of the text?There are so many lives on the earth,but
10、we have only one earth.So we should try our best to protect it.Think and discuss“What should we do for our earth?”.DiscussionYou can use the following words or phrases to help you:prevent from harmful global warming carbon dioxide in turn depend on as a result thus atmosphereLets take part in the ac
11、tivities to save the earth!Earth is our homeland so write a short passage using the title “EARTH-OUR HOMELAND”to express your opinions.A Quiz Game 1.How old is the earth?A.About 3.5 billion years B.About 4.5 billion years C.About 5.5 billion years D.About 6.5 billion years 2._ of the earth surface i
12、s covered by water.A.20%B.30%C.50%D.70%3.How long does the rotation(自转自转)of the earth take?A.12 hours B.24 hours C.a month D.365 days4.Which continent is the smallest?A.Africa B.North America C.South America D.Oceania 5.On what day is the Earth day celebrated?A.April 22 B.May 4 C.August 21 D.Novembe
13、r 11How life began on the earth“Big Bang”other bodies_ starsEarth:a cloud of _atomsdustSummary a solid _the earths _other 4._Water:_ to the development of lifewater vapour nitrogen carbonextremely small _ on the surface of the waterglobegasesatmospherefundamentalplantsearly _ and all sorts of fishgreen plants on landland animalsinsectsamphibians_huge animals(dinosaurs)the rise of _human beingsshellfishreptilesmammals结束！结束！