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(共28张PPT)
Unit 5 Revealing nature
Developing ideas — Reading
目录
contents
Pre-reading
I
Post-reading
IV
Fast reading
II
Language points
Ⅴ
While-reading
III
VI
Homework
I
Pre-reading
Pre-reading: Lead-in
Look at the pictures and tick what plants can do.
attack
breathe
eat
sleep
move
speak
steal
think
Pre-reading: Lead-in
Now talk about what else you think plants can do and give examples.
In Avatar, trees can communicate with animals and people.
II
Fast reading
Fast reading: Skimming
Read the passage and find out the ways in which plants communicate.
They can communicate with each other by using chemicals, sound and “wood wide web”.
Fast reading: Skimming
Read for the main idea of each paragraph.
Para 1
Para 2
Para 3
Many cultures have stories of talking trees.
New research has revealed something amazing:
it appears that plants can communicate.
Plants use chemicals to communicate with each other.
Fast reading: Skimming
Read for the main idea of each paragraph.
Para 4
Para 5
Para 6
Plants also use sound to communicate.
Plants have an amazing system of communication called “wood wide web”.
Scientists are learning more about the secret ways in which plants talk to each other.
Fast reading: Scanning
Organise information from the passage and complete the diagram.
Modern research is showing that plants can 1 _______________
_______________.
Using chemicals
The plant releases chemicals 2 _____________ that are being eaten.
When another plant detects the chemicals, it starts to 3 _________________________________.
communicate
with each other
from the leaves
release its own, different
chemicals
Fast reading: Scanning
Using sound
Some plants make noises 4 _____________.
A chilli plant can 5 ___________________________
____________________.
Some trees make 6 ___________________________
_____________________________________.
with their roots
tell if a neighbouring plant is helpful, or unfriendly
clicking noises when there is not enough water, indicating drought is arriving
Organise information from the passage and complete the diagram.
Fast reading: Scanning
Using the “wood wide web”
This fungal network links 7 ______________________
_________________.
Plants can 8 ___________________________ with each other.
Plants can 9 ___________________________________
_______ to attack other plants.
the roots of different plants to each other
share information and even food
steal food from each other, or spread poisons
Maybe one day we will be able to “talk” with plants.
Organise information from the passage and complete the diagram.
III
While-reading
While-reading: Learning to learn
Personification means giving human characteristics to something that is not human. By using human characteristics to describe an object, animal or even a place, personification can make descriptions more vivid.
Language points
V
1. communicate vt & vi 传达，表达
communicate … to 传送给……
communicate with 与……联系，与……相通
Language points: Important words
1) 小组成员必须通过角色扮演互相交流。
2) 他们成功地把知识传授给他人。
Group members have to communicate with each other through role-play.
They successfully communicate their knowledge to others.
2. detect / detective
detect 发觉；察觉；探测 detective 侦探
Language points: Important words
1）一位知名侦探已发现了他的秘密。
2）他发现他的小弟弟正在阳台上抽烟。
A well-known detective has detected his secret.
He detected his little brother smoking in the balcony.
1. give advice _____________________
2. be said to _____________________
3. communicate … with _____________________
4. get attacked _____________________
5. release … from _____________________
6. drive away _____________________
给出建议
据说
与……交流
遭受攻击
从……释放
Language points: Important lexical chunks
把……赶走
7. make noises _____________________
8. after all _____________________
9. more surprisingly _____________________
10. be similar to _____________________
11. link … to _____________________
12. steal … from _____________________
发出噪音
毕竟
更令人吃惊的是
和……类似
把……和……连接起来
Language points: Important lexical chunks
从……偷……
Paraphrase: It is said that Alexander the Great and Marco Polo had gone to see a tree like that in India.
1. Alexander the Great and Marco Polo were said to have visited such a tree in India.
Language points: Important sentences
sb be said to do = It is said that sb … = People say sb … 据说某人做了某事
据说
1）据说Darwin是《物种起源》一书的作者。
It is said that Darwin is the writer of the book On the Origin of Species.
2) 据说他是一位有名的作家。
3）据说那辆车是他偷来的。
It is said that he is a famous writer.
= He is said to be a famous writer.
Language points: Important sentences
It is said that he stole that car.
= He is said to have stolen that car.
2. With us long believing that talking plants are fantasy, new research has revealed something amazing: it appears that plants can communicate after all.
Language points: Important sentences
with + 名词 / 代词 + 非谓语动词
Paraphrase: While we have believed for a long time that talking plants are unreal, new research has found out something amazing: it seems that plants can talk to each other after all.
Language points: Important sentences
with + 名词 / 代词 + 非谓语动词
1）由于Tim的引导，我们毫不费力地找到了目的地。
2）有好多工作有待完成，他很焦虑。
3）问题解决了，他如释重负。
With Tim guiding us, we had no difficulty in finding the destination.
With a lot of work to do, he felt anxious.
With the problem settled, he felt relieved.
2. With us long believing that talking plants are fantasy, new research has revealed something amazing: it appears that plants can communicate after all.
Language points: Important sentences
Don’t scold him anymore. After all, he is still a little kid.
毕竟，终究
别再批评他了，他毕竟还是个小孩。
3. This happens when a plant, say a bean plant, gets attacked by insects.
Language points: Important sentences
1）假定你的计划失败了，那么我们怎么办呢
2) 我们假设你是对的。
Say your plan fails, then what do we do
认为，假定，比如说
Let’s say that you are right.
Paraphrase: When a plant like a bean plant is attacked by insects, this happens.
4. Scientists call this system the “wood wide web.”
Language points: Important sentences
源于互联网词汇
world wide web
“Wood wide web” means an amazing system of communication that can link nearly every plant in a forest. It is linked underground by fungi and this fungal network links the roots of different plants to each other. Using the wood wide web, plants can share information and even food with each other.
Homework
VI
Homework
Use the words and expressions you have learned to write an essay about how plants communicate with each other.

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