高中英语必修三Astronomy:the-science-of-the-stars课件.ppt
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- 高中英语 必修 Astronomy the_science_of_the_stars 课件
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1、Unit 4Astronomy:the science of the starsSection Warming Up&ReadingPreparing预习多维感知预习多维感知Section 预习多维感知预习多维感知 Step One:Ask and Discussion1Do you know how many planets circle around the sun in our solar system?_答案:答案:Venus(金星金星);Earth(地球地球);Mars(火星火星);Mercury(水星水星);Jupiter(木星木星);Saturn(土星土星);Uranus(天王星
2、天王星);Neptune(海王星海王星)2Each religion and culture has its own ideas about how life began on earth.What do you know?_答案:答案:In China,we all know that Pangu separates the sky from the earth.In western culture,God created the world in six days.Many scientists believe that the universe began with a huge exp
3、losion called the“Big Bang”Step Two:Fast ReadingScan the text and then choose the best answer according to the text.1What is the correct order according to the text?The clever animals with hands and feet appeared and spread all over the earth.The“Big Bang.”Small plants began to appear on the surface
4、 of the water.65 million years ago,the age of the dinosaurs ended.ABC D答案:答案:D2How did the atmosphere on the earth appear?AIt came from space.BIt came from the explosion.CIt came from the oceans.DIt came from the forests.答案:答案:B3In our solar system,why does life only exist on the earth?ABecause it i
5、s very warm on the earth.BBecause it is cool enough on the earth.CBecause there is plenty of water on the earth.DBecause it is big enough.答案:答案:C4Why did plants appear earlier than animals?ABecause plants could produce oxygen,which was important for animals.BBecause plants were more advanced than an
6、imals.CBecause animals needed more water.DBecause plants needed more water.答案:答案:A5According to the passage we can know _.Aonly the earth has life on it in spaceBoxygen in the atmosphere on the earth came from the“Big Bang”Chumans are the cleverest animals of the earthDplants played an important par
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