资源简介

(共19张PPT)
Unit 5
Looking into nature
----- Understanding ideas
dinosaur / da n s /
feather / fe /
feather-covered / fe k v d/
lizard / l z d/
amber / mb /
whether / we /
species / spi i z/
unknown / n n n/
northern / n n/
African / fr k n/
n. 恐龙
n. 羽毛，翎
adj. 羽毛覆盖的
n. 蜥蜴
n. 琥珀
conj. 是否（用于表示选择
或对某事不确定）
n. 物种
adj. 不知道的，未知的
adj. 北部的
adj. 非洲的，非洲人的
belief /b li f/
fully / f li/
unlock / n l k/
unlock the secrets of sth
finding / fa nd /
newspaper / nju s pe p /
writing / ra t /
style /sta l/
method / meθ d/
alive / la v/
argument / ɑ ɡj m nt/
n. 观点
adv. 完全地；充分地；彻底地
v. 解锁
揭开某事的秘密
n. 发现，（调查、研究等的）结果
n. 报纸
n. 写作，著书
n. 风格
n. 方法，办法
adj. 变得兴味盎然，生动起来
n. 论点，论据
It is about things in the past. It can tell us how things have changed over time。
Look and say.
1. What is this
A piece of amber.
/' ambe/
2. Is amber about things in the past or things in the future
Look and guess.
What is the passage about
The passage is about how amber helps scientists unlock the secrets of nature.It serves as a window on the past and leads to important discoveries. It also shows how life has changed over time, offering a key to understanding the history of species.
Skim and check.
What is the passage about
Look and guess.
A. How amber helps scientistsunlock the secrets of nature.
B.How to make amber and use itin daily life.
C. How amber came into being.
What is the passage about
The secret
about the flower
Scan and answer.
How many secrets are mentioned in the passage What are they
Three.
The secret
about the dinosaur
The secret
about the ants
About the dinosaur
What’s in the amber
Where was it found
What did scientists find through it
What secrets does it tell
A dinosaur tail with feathers.
In Southeast Asia.
Dinosaurs had feathers.
What dinosaurs looked like.
Read Paragraphs 1–2 and fill in the form.
About the flower
What’s in the amber
Where was it found
What did scientists find through it
What secrets does it tell
A flower.
In Northern Europe.
The flower grew there 35 million years ago.
Life on earth has always changed.
Read Paragraphs 3 and fill in the form.
About the ants
What’s in the amber
Where was it found
What did scientists find through it
What secrets does it tell
13 ants.
In Africa.
The ants are a completely new species. Ants did not only come from the northern half of the earth; they also lived in Africa.
There are many unknown species for us to discover.
Read Paragraphs 4 and fill in the form.
Read Paragraph 5 and answer.
What does the writer compare amber to
A window on the past and a key to unlock more secrets of nature.
Amber shows us
what dinosaurs looked like.
life on earth has always changed.
a window on the past
a key to unlock more secrets of nature
there are many unknown species for us to discover.
√
Choose where you are most likely to read this passage.
Option a. In a popular science magazine, we can read about real scientific discoveries in nature. This passage talks about amber and what scientists have discovered, so it is a good match.
Option b. A newspaper report is usually about events, for example an exhibition. But this passage is not about an event. It is about scientific facts, so this is not correct.
Option c. A sci-fi book tells imaginary (想象的) stories, like travelling into the past. But this passage is not a story. It gives real facts, so this is also not correct.
Why do you choose this option
Complete the diagram with the words and expressions from the passage.
1. secrets
2. Thanks to
Complete the diagram with the words and expressions from the passage.
1. secrets
2. Thanks to
3. (always) changed
4. 35 million / thirty-five million
Complete the diagram with the words and expressions from the passage.
1. secrets
2. Thanks to
3. (always) changed
4. 35 million / thirty-five million
5. unknown
6. ant
7. window
8. nature
Retell the passage.
about the dinosaur
about the flower
about the ants
a window on the past
a key to unlock more secrets of nature
Think and share.
Paragraph 1 is exciting and interesting. The writer begins like this to draw readers’ interest and make them want to read more.
1. What do you think of Paragraph 1
Why does the writer begin like this
Think and share.
We can learn about nature’s secrets by reading, visiting museums, exploring the outdoors, doing research or doing experiments.
2. What are some other ways for you to learn about nature's secrets

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