人教版高中英语必修3unit4reading(教育精品).ppt
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1、Astronomy:the science of the starsUnit 4Words and expressionsIn our solar system eight planetscircle around the sun.The Solar SystemWhat are the names of the eight planets that circle our sun?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Mercury Mercury 土星土
2、星Jupiter Jupiter 天王星天王星Neptune Neptune What 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?The beginning of the universeEach religion and
3、 culture has its own ideas about how life began on earth.What do you know?Legend V.S Science bBrainstormingPangu separates the sky from the earth.Nuwa makes human beingsAccording to Bible(圣经圣经),God created the world and the first man,Adam(亚当亚当)and the first woman,Eve(夏娃夏娃).God created the world in s
4、even days.Religious Beliefs Science:The Big Bang(大爆炸)(大爆炸)The universe began with a“Big Bang”Reading How Life Began on the EarthSkimmingReading strategy(策略策略):Go through the passage quickly to get the main idea of each paragraph.Task 1:Skim the passage and match the main idea with each paragraph.Par
5、a.1 The formation(形成)of the earth.Para.2 The importance of water for life.Para.3 A widely accepted theory about the formation of the universe.Para.4 The arrival of humans and their impact on the earth.Para.5 The development of plants and animals on the earth.Choose the best answer1.What made it poss
6、ible for life to begin and develop on the earth according to the passage?A.Harmful gases B.Water C.Carbon dioxide D.Oxygen Task 2:2.Which of the following is NOT true about the dinosaurs?A.They produced their young by laying eggs.B.Some of them were very huge.C.They produced their young form within
7、their bodies.D.They once lived on the earth for millions of years.3.The word“multiply”(Line 4,the 4th paragraph)means _.A.乘以 B.繁殖 C.减少 D.分解4.What is the main problem to be solved for life to continue on the earth?A.Food B.Water C.AIDS D.Global warming 5.Who knows how life began on the earth exactly?
8、A.Scientists.B.Astronomers.C.No one.D.Aliens(外星外星人人).6.What does“small clever animals”refer to?A.Insects.B.Reptiles.C.Dinosaurs.D.Humans.7.The earth was different from the other planets in that_.A.a cloud of dust was around the earth B.comfortable climate remained on the earth C.water remained on th
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