内容正文:
Unit 5
Revealing Nature
Period 5 Developing Ideas
1
What is language?
Activity 1 Free Talk
Other ways of animal communication
sound
touch
expression
body movement
vision
sound wave
flytrap
捕蝇草
The can _______ insects.
Its leaves can _______ when touched.
mimosa 含羞草
fold up
catch
pea
豌豆、豆角
The can sow(播种) its own ________.
seeds
attack
breathe
eat
sleep
move
speak
steal
think
2. What else can plants do?
Activity 2 Read the title and predict what questions may be mentioned in the passage.
Where can we find this passage?
A. In an economic book
B. In a history book
C. On a scientific magazine
D. In a novel
While-reading
Fast reading
Activity 1. Read for structure and genre.
The Secret Language of Plants
Plants can communicate .
Scientists are learning more about plants’ language.
Para 1~2
Para 3
Para 4
Para 5
Para 6
Using chemicals
Using sound
Using WWW
Narration(记叙文)
Exposition(说明文)
Argumentation(议论文)
Introduction
Body
Conclusion
Structure
Genre(文体)
8
Read for detailed information (para 1)
were said to have visited a talking tree in India.
trees can communicate with animals and people.
Para 1:talking plants in myths and legends
Alexander the Great
Marco polo
Avatar
With us long believing that talking plants are fantasy, new research has revealed something amazing: it appears that plants
can communicate after all.
Which of the following is not the functions of paragraph 2?
To lead to the following context
To arouse readers’ interests
To summarize the above
To further explain
Read for detailed information (para 2)
10
chemicals
a bean plant
insects
another bean plant
different
chemicals
wasp
attack
release
detect
release
kill
drive away
attract
kill
Read paragraph 3 carefully and fill in the mind map
11
According to para. 4, which of the following is not the thing plants use sound to do?
Listen whether their neighbors are helpful or not
B. Indicate the arrival of drought
C. Identify the unfriendly plants
D. Help each other get water
More surprisingly, plants also use sound to communicate. People can’t hear these sounds, but plants are making them. Some plants make noises with their roots. Corn and chilli plants do this. They also “listen” to the noise from other plants. Corn and A chilli plant can tell if a neighboring plant is helpful, or unfriendly Some trees make clicking noises when there is not enough water, indicating drought is arriving.
12
Type
Link every person on earth every _____________ in the forest
Linked by _____________ and _________________ underground ___________ which links the ___________ of different plants to each other
Use it to share _____________________ and ___________with each other
Cybercrime spread computer virus to attack others' ___________ steal ______________ from each other and spread _____________ to _____________other plants
Read para. 5 carefully and find the differences between "World Wide Web" and "Wood Wide Web".
World Wide Web
Wood Wide Web
plant
cables
satellites
fungi
roots
communicate, entertain, shop and study
information
food
computers
food
poisons
attack
Help to prevent attacks .
Wood wide web
According to para 6, what is the writer’s attitude towards the scientific research on the secret language of plants?
A. Positive B. Negative C. Neutral D. Indifferent
Scientists are learning more every day about the secret way in which plants talk to each other. Who knows? Maybe one day we will know enough about plant communication to be able to “talk” with them ourselves.
15
Organise information from the passage and complete the diagram.
Using chemicals
* The plant releases chemicals ____________ that are being eaten.
* When another plant detects the chemicals, it starts to ______________
____________________.
from the leaves
release its own, different chemicals
Using sound
* Some plants make noises _____________________.
* A chilli plant can __________
__________________________
__________________________.
* Some trees make ___________
__________________________.
with their roots
tell if a
neighbouring plant is
helpful, or unfriendly
clicking noises
to indicate drought’s coming
Using the “wood wide web”
* This fungal network links _____ ____________________________.
* Plants can __________________
_____________ with each other.
* Plants can __________________
_____________________ to attack other plants.
the roots
of different plants to each other
share information
steal food from each other
Modern research is showing that plants can __________________________.
Maybe one day we will be able to “talk” with plants.
communicate with each other
and even food
or spread poisons
16
组长(group leader)
记录员(recorder)
时间管理员(Timekeeper)
发言人(spokesperson)
信息提供者(Information Provider)(1-2)
Is it beneficial(有益处的) to explore nature? Why? (Give a talk)
Think & Share
As far as I'm concerned, exploring nature is beneficial. First of all, it can help us live better lives and make our world more amazing when we learn how nature works. In addition, it helps us with environmental management. By learning the secrets of nature, we can manage our planet and ensure a healthy environment for the future.Last but not least, we can improve public health by understanding nature.
All in all, exploring the secrets of nature is not just about satisfying our curiosity; it is about improving our lives.
Smart expressions
微量的
呼救(名词短语)
赶走
植物报警系统
发出咔哒的声音
最令人惊讶得
在某些方面
通过……连接起来
把不同植物的根联结起来
植物之间相互交谈的秘密方式
tiny amounts of
a call for help
drive… away
the plant warning system
make clicking noises
most surprisingly of all
in some ways
be linked by …
link the roots of different plants to each other
the secret way in which plants talk to each other
that/不填
Filling in the blanks with correct forms of the given words.
直击高考
Scientists are learning the secret ways in which plants “talk” to each other. It has been known for some time that plants use chemicals 1______________ (communicate) with each other. When 2________ (attack) by insects, the plant releases chemicals from the leaves that 3______________ (eat). This is like 4___ warning. When another plant detects the chemicals, it starts to release 5___ (it) own, different chemicals. Some chemicals drive insects away.
6____________ (surprising), plants also use sound to communicate. Some plants make noises with their roots. Some trees make clicking noises when there is not enough water, 7__________ (indicate) drought is arriving.
Most surprisingly of all, plants have an 8________ (amaze) system of communication that can link nearly every plant in a forest. It is called “ wood wide web”, 9______ is in some ways similar to the Internet we use. Using the wood wide web, plants can share information and even food 10_____ each other.
Surprisingly
indicating
amazing
which
with
to communicate
attacked
are being eaten
a
its
Activity 5 Organize the questions and answers.
Draw a mind map.
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23 Unit 5-3
英语选择性必修第一册
2019
Other
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