资源简介

(共25张PPT)
Reading
Unit 5
Looking into nature
学习目标
理解文章主旨，掌握关键词汇和短语，并完成与文章相关的问题。
运用文章中的单词和表达填写图表，正确总结琥珀如何帮助我们了解地球上的生命历史。
思考并讨论其他了解自然奥秘的方式，并用英语清晰地表达自己的观点。
3
2
1
This golden stone is amber.
What do you think is inside it
What is this
We can find parts of old life. They help us learn about the past.
新课讲授
Pre-reading
Look at the title and the pictures. What is the passage about
Use the word cloud to help you.
secrets of nature
unlock
discovery
change
prove
a window on the past
key
What does the title mean
被时间封存的秘密
What is the passage about
The process of how amber is formed and where in the world it can be found.
B. It is about amber as a window
on the past, which helps us
discover and prove the secrets
of nature.
C. How to make amber and use it
in daily life.
How many parts can the passage be divided into
Three.
Part 1
Part 2
Part 3
Match the idea with each part.
Introduction
Three Discoveries
Conclusion
While-reading
Task 1 Skimming
1. What is the dinosaur doing in the ancient forest
It opens its mouth and raises its beautiful feather-covered arms.
It is running around looking for its next meal.
2. What does the dinosaur do when it makes an angry cry
Task 2 Read Para 1 carefully and answer the questions.
1.What did people think dinosaurs looked like
They thought dinosaurs looked like huge lizards.
2.What did scientists find in the amber from Southeast Asia
They found the tail of a dinosaur with feathers.
Task 2.1 Read Para 2 carefully and answer the questions.
1.What did scientists find in a piece
of amber from Northern Europe
They found a flower.
2. What does the flower in amber prove
It proves that the flower grew in Northern Europe 35 million years ago.
Task 2.2 Read Para 3 carefully and answer the questions.
1. How many unknown species have been discovered thanks
to amber
They found 13 ants.
More than 300 unknown species.
2. What did scientists find in a piece of amber from Africa
Task 2.3 Read Para 4 carefully and answer the questions.
1. What has amber been described as in the passage
We should put more effort into research.
2. What should we do to unlock more secrets of nature
A window on the past.
Task 3 Read Para 5 carefully and answer the questions.
Task 4 Choose where you are most likely to read this passage.
a in a popular science magazine about findings in nature
b in a newspaper report on exhibitions about dinosaurs
c in a sci-fi book about travelling 160 million years into the past
Task 5 Complete the diagram with the correct form of
the words and expressions from the passage.
Amber shows us 1__________ caught in time.
secrets
It shows us what ancient species looked like.
It helps us understand that life on earth has ________.
It helps us discover new species.
changed
It shows us what ancient species looked like.
It helps us understand that life on earth has ________.
It helps us discover new species.
changed
2__________ a piece of amber, scientists
know that dinosaurs had feathers.
A piece of amber proves that a species of flower grew in Northern Europe 4________ years ago.
More than 300 5__________ species have been discovered.
Scientists found a new species of 6________ in a piece of amber from Africa.
Thanks to
35 million
unknown
ant
Amber is a(n) 7_________ on the past,and a key to unlock more secrets of 8_______________.
window
secrets of nature
Post-reading
Think and share
I feel the beginning is vivid, interesting and exciting. It creates a clear picture of a dinosaur in my mind, catch my attention and makes me curious about what will happen next.
1) What do you think of Paragraph 1
Why does the writer begin like this
Learning to think for question 1 Writers have different writing styles. They use different methods to achieve their goals. These goals include making the text alive, making their arguments strong, getting readers' attention, etc.
2. What are some other ways for you to learn about nature's secrets
visiting museums
We can learn about nature's secrets by
reading
doing experiments
watching videos
在一个远古森林
寻找它的下一餐
羽毛覆盖的手臂
数百年间
看起来就像巨大的蜥蜴
多亏…
…的尾巴
带有羽毛
Language points
美丽的金色石头（指琥珀）
过去的碎片
地球上的生命
一片，一块
北欧
不再生长
3500 万年前
久而久之
Language points
多亏…
超过，不只是
过去常常认为
地球的北半球
改变了旧的观念
蚂蚁的历史
告诉我们更多秘密
Language points
used to, be used to do, be used to doing 的用法
used to
be used to do
be used to doing
过去常常做某事,现在不做了
I used to play football after school.
被用来做某事是被动语态，表示用途。
Bamboo can be used to build houses.
习惯于做某事。
He is used to getting up early now.
be used to doing 中的 to 是介词，千万不能接动词原形！
Language points
作为通往过去的一扇窗
被大量研究
未被完全理解
投入更多精力进行研究
用这把钥匙解锁
大自然的秘密
Language points
Learn some new words:
dinosaur, feather, amber whether, belief, fully, unlock …
Learn a passage about Secrets caught in time.
We can know more about nature.
课堂总结
Must do:
1.记忆本节课的单词和短语，重点句型;
2.完成课后的相关练习。
Choose to do:
科普小报告
查阅资料，了解琥珀中还发现了哪些有趣的
古生物（如昆虫、植物、小型动物），用英
文写一段 50 词左右的小报告，介绍其中一种。
Homework

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