当前位置:首页 >> 英语 >> 高中英语必修3

高中英语必修3


Book III Unit 4

Warming up

1. What’s the meaning of the word “Astronomy”?
Astronomy is the scientific study of the universe and the heaven bodies (such as the sun,

the moon, and stars), gas, and dust within it.

2. Do you know the following terms?
star, planet, the sun / moon / earth, solar system
恒星 ?行星 太阳系

3. How many planets are in the solar system?

4. Do you know the correct order of their distance to the sun? nearest to the sun?

farthest to the sun?

Scientists now think Pluto is too small to be called a planet.

5. The names of eight planets. ? Mercury 1) 水星 ? Venus 2) 金星 ? Earth 3) 地球 ? Mars 4) 火星 ? Jupiter 5) 木星 ? Saturn 6) 土星 ? Uranus 7) 天王星 ? Neptune 8) 海王星

In this unit, we’ll learn something more scientific. 1.What’s the title of the text?

2. From the title, we can predict that the text may tell us the origin of life on the earth. Do you know some stories about it?

In China:

sky

earth Pangu 盘古 separates(分) the sky ____________ from the earth.

_____________ Nuwa (女娲) made human beings.

In western countries:

God created the world in seven days

How life began on the earth
While-reading
Fast reading

Read the passage on P25 quickly, and match the right main idea of each paragraph. How many parts can the text be divided into?

Para.1 The importance of water for life Para.2 A theory about how the universe was formed

Para.3 The formation(形成) of the earth
Para.4
Part1: The development of the earth The arrival of humans and their effects on the earth

Para.5 The development of plants and animals
Part2:The development of life.

Detailed Reading

Part 1(1~3): The development of the earth

Part1 (para1~3) The development of the earth

1. After the Big Bang, what happened? 2. What happened to the solid globe next? 3. What did the water vapour and gases form? 4. What appeared after the earth cooled down 5. What did the water do?

1. After the Big Bang, what happened?

a cloud of dust Settled into a violent solid ball

2. What happened to the solid globe next?

exploded with In time produced water vapour and gases fire and rock

3. What did the water vapour and gases form?

the earth’s atmosphere

4.What appeared after the earth cooled down?

Water appeared on its surface which is important for the beginning of life on the earth.

5.What did the water do?

It allowed the earth to dissolve harmful gases and acids into the oceans and seas.

How did the earth come into being(产生)?
Big Bang a solid _______ ball/globe

dust a cloud of _____
slowly combine

fire and _____ rock it exploded loudly with _____ atmosphere the earth’s ___________

cooled down the earth ______

water

Part 2 (4~5) The development of life

Part 2 (para4~5) The development of life
1.What life developed after water appeared? 2. What life developed after forests appeared? 3. What life developed after dinosaurs? 4. What life developed after mammals?

Part 2 (para4~5) The development of life
1.What life developed after water appeared? arrival of small plants in water early shellfish and all sorts of fish

2. What life developed after forests appeared?
reptiles on land dinosaurs on land

How do reptiles produce young?
by laying eggs

3. What life developed after dinosaurs?
mammals on land

How do mammals produce young? by giving birth to baby animals and producing milk to feed them.

4. What life developed after mammals? small clever animals

1.Who are the small clever animals with hands and feet? 2. Are they taking care of the earth well? Why?

Because they are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.

The earth may become too hot to live on .

How to solve this problem?
To solve this problem, people should protect the earth carefully. They must stop putting too much carbon dioxide into the air , reduce pollution, control the population and so on .

The development of life

→ a solid ball → presence of water → small plants grow && other fish on the water → shellfish shellfish other fish begin toto grow on dry plants begin grow on dry appear→ plants land land → insects and amphibians appear →reptiles retiles appear appear → dinosaurs dinosaurs appear appear → mammals mammals appear appear
A cloud of dust

Homework
1. Read the passage more after class. 2.Do the Ex.2 on P27.


更多相关文档:

高中英语必修3课文逐句翻译(人教新课标)

高中英语必修3课文逐句翻译(人教新课标)_英语_高中教育_教育专区 暂无评价|0人阅读|0次下载|举报文档高中英语必修3课文逐句翻译(人教新课标)_英语_高中教育_教育...

高中英语必修3单词表

高中英语必修3单词表_英语_高中教育_教育专区。高中英语必修 3 单词表 Unit1 发生 美;美人 收获;收割 庆祝 狩猎者 (使)饿死 起源;起因 虔诚的 △季节的 祖先...

人教版高中英语必修三全套教案

人教版高中英语必修三全套教案_英语_高中教育_教育专区 暂无评价|0人阅读|0次下载|举报文档人教版高中英语必修三全套教案_英语_高中教育_教育专区。Module3 Unit 1...

高一英语人教版必修三 全册课文内容

高一英语人教版必修三 全册课文内容_英语_高中教育_教育专区 暂无评价|0人阅读|0次下载|举报文档高一英语人教版必修三 全册课文内容_英语_高中教育_教育专区。...

高中英语必修三重要知识点归纳

高中英语必修三重要知识点归纳_高一英语_英语_高中教育_教育专区 暂无评价|0人阅读|0次下载|举报文档高中英语必修三重要知识点归纳_高一英语_英语_高中教育_教育...

高中英语必修三知识点总结

高​中​英​语​必​修​三​知​识​点​总​结 暂无评价|0人阅读|0次下载|举报文档高中英语必修三知识点总结 Unit 1 1.mean doing ...

人教版高中英语必修三全套教案

人教版高中英语必修三全套教案_高一英语_英语_高中教育_教育专区。人教版高中英语必修三全套教案Module3 Unit 1 Festivals around the world Teaching aims and demand...

高一英语必修三单词表

高一英语必修三单词表_英语_高中教育_教育专区。必修三英语单词中英文对照及词性...adj. agriculture agricultural 必修三 parking lot △Valentine’s Day turn up...

高中英语必修3单词表(人教版)

高中英语必修3单词表(人教版)_英语_高中教育_教育专区。英语单词表 必修3 come about independent fall expression end up with … typhoon △tornado △Spanish ...

人教版高中英语_必修3_词汇表(带音标)

人教版高中英语_必修3_词汇表(带音标)_英语_高中教育_教育专区 暂无评价|0人阅读|0次下载|举报文档 人教版高中英语_必修3_词汇表(带音标)_英语_高中教育_教育...
更多相关标签:
高中英语必修3单词表 | 高中英语必修4 | 高中英语必修2 | 高中英语补课 | 高中英语必修1 | 高中英语必修3课文 | 高中英语必修3 unit1 | 高中英语 |
网站地图

文档资料共享网 nexoncn.com copyright ©right 2010-2020。
文档资料共享网内容来自网络,如有侵犯请联系客服。email:zhit325@126.com