【创新设计】2014-2015学年高中英语配套课件：必修3 Unit 4 Section Ⅰ(人教版,课标通用)

astrometry, celestial navigation, observational astronomy, and
the making of calendars, but professional astronomy is nowadays often considered to be synonymous with astrophysics.
Unit 4 Astronomy：the science of the stars
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Astronomy is a natural science that deals with the study of celestial objects (such as moons, planets, stars, nebulae(曙光星云), and galaxies); physics, chemistry,
答案
1.A
2.C
3.D
4.C
5.A
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Ⅱ.短文填词(根据Reading内容完成短文)
As the result of “Big Bang”， the violent earth slowly
settled into a globe __1__ (move) around the sun. The gases which were to make the earth's __2__ (大气层)came into being from the explosion of the dust ball, with water __3__ (follow) them while the earth cooled down. It allowed the
A．confident
C．concerned
B．sad
D．angry
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3 ． 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. C．Gases. B．Stars. D．Fire and rock.
____________________
5．What problems have been caused by humans to the earth? (Please answer within 10 words.) ____________________ 答案 1.The text mainly tells us the formation of the earth 2.Because there is water
) )
答案
1.F
2.T
3.T
4.T
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Unit 4 Astronomy：the science of the stars
Section ⅠWarming Up & Reading 课件（人 教版必修3，课标通用）
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Ⅰ.阅读理解(根据Reading内容选择答案)
mathematics, and evolution of such objects; and
phenomena that originate outside the atmosphere of Earth (such as supernovae explosions, gamma ray bursts, and cosmic background radiation). A related but distinct subject, cosmology, is concerned with
studying the universe as a whole.
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Astronomy is one of the oldest sciences. Prehistoric cultures
left behind astronomical artifacts such as the Egy混点
Notes： ①celestial [sə'lestʃəl] adj.天的，天空的 n．天人，神仙；(指封建时代的)中国人，天朝之人 ②cosmology [kɔz'mɔlədʒi] n．宇宙学 ③methodical [mi'θɔdikəl] adj.有方法的；有条不紊的；井然
)
)
2．The oldest sciences include astronomy and others. ( 3．The field of professional astronomy was split into observational and theoretical branches. 4．Theoretical results need to be tested by the facts. ( (
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5．Why were mammals different from other life forms? A．Because they gave birth to young baby animals and
produced milk to feed them.
B．Because they produced young generally by laying eggs. C．Because they were able to live on land as well as in the water. D．Because they lived on grass.
monuments and Nubian monuments, and early civilizations such as the Babylonians, Greeks, Chinese, Indians, Iranians and Maya performed methodical observations of the night sky. However, the invention of the telescope was required before astronomy was able to develop into a modern science. Historically, astronomy has included disciplines as diverse as
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During the 20th century, the field of professional
astronomy split into observational and theoretical branches.
Observational astronomy is focused on acquiring data from observations of astronomical objects, which is then analyzed using basic principles of physics. Theoretical astronomy is oriented towards the development of computer or analytical
models to describe astronomical objects and phenomena. The
two fields complement each other, with theoretical astronomy seeking to explain the observational results, and observations being used to confirm theoretical results.
1．What's the main idea of the text? (Please answer within 20 words.) ____________________ 2．Why was the earth different from the other planets？ (Please answer within 10 words.) ____________________
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Read the passage carefully and judge the following sentences true(T) or false(F)．
1．Astronomy is only used for the study of stars.
(
but cause damage to it.
答案 1.moving 2.atmosphere 6.on 3.following ter 9.which
5 ． extremely 10.good
7.multiplying
8.oxygen
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Ⅲ.阅读表达(根据Reading内容完成下列各题)
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As time passed, green plants taking in carbon dioxide and
producing __8__( 氧气 )came to land and grew into forest. Later the chains of lives continued, such as insects, amphibians, reptiles, dinosaurs and mammals, the typical of __9__ is human being. They don't only do __10__ to the earth