外研版（2019）选择性必修第一册Unit 5 Revealing nature Developing ideas课件（共19张PPT)

(共19张PPT)
XB1 Unit 5 Revealing nature
FREE TALK
What’s the plant that can communicate
Lead-in
Let’s explore the secret of plants.
Let’s explore the secret of plants.
mimosa(含羞草)
Pre-reading
flytrap(捕蝇草)
Read for main idea of each para. and think about the structure of the passage
______________have been a thing of myths and legends.
New research has revealed that
_______________________________________________
Plants use __________ to communicate with each other.
Plants use ______ to communicate.
Para. 1
Para. 2
Para. 3
Para. 4
Plants use _______________ to communicate.
Maybe one day we will be able to____________
Para. 5
Para. 6
plants can communicate with each other.
Talking plants
chemicals
sound
the wood wide web
talk with plants.
Fast-reading
What’s the genre (/ nr / n.体裁） of the passage
A. Exposition
B. Argumentation
C. Narration
(to explain, introduce)
(说明文)
(议论文)
(记叙文)
(to argue/defend)
(to tell a story)
Read Para.1 for detailed information:
What are the myths and legends about talking plants
They were said to have visited _______________ in India.
Trees can _________________
Careful-reading
Alexander
the Great
Marco polo
Avatar
a talking tree
communicate with
animals and people
__________________.
Read Para.2 for detailed information:
We believe that ______________________.
How is the opinion about talking plants before and after a new research
Before the new research
After the new research
It appears that___________________________.
Careful-reading
talking plants are fantasy
communicate after all
plants can
Read para.3 to complete the food chain.
chemicals
a bean plant
insects
another bean plant
different
chemicals
wasp
attack
release
detect
release
drive away
attract
kill
Careful-reading
Read Para.4: communicate by sound
Careful-reading
What’s the sound
1. Some plants ___________ with their roots.
2. They can also “______” to the noises from other plants. A chilli plant can ____ if a neighboring plant is helpful, or __________.
3. Some trees __________________ when there is not enough water, including drought is arriving.
make noise
tell
unfriendly
make clicking noises
listen
1. What does “wood wide web” mean
Careful-reading
Read Para.5： communicate by wood wide web
2. What links “wood wide web” underground
A. fungi B. bacteria C. roots
3. What can plants do by “wood wide web”
1. What does “wood wide web” mean
“Wood wide web” is an amazing system of communication that can link nearly every plant in a forest.
Careful-reading
Read Para.5： communicate by wood wide web
Careful-reading
Read Para.5： communicate by wood wide web
2. What substance(物质) underground links “wood wide web”
A. fungi B. bacteria C. roots
While the Internet is a worldwide network of computers linked by cables and satellites, the wood wide web is linked by fungi.
Careful-reading
Read Para.5： communicate by wood wide web
3. What can plants do by “wood wide web”
Plants can ____________________________
with each other.
share information and even food
Plants can ____________________________
steal food or spread poisons
to attack other plants.
Read Para.6 for detailed information::
1. What are scientists doing
2. What’s the author‘s conclusion in the passage
They are __________________________
_________________________________.
Careful-reading
learning more about the secret
ways in which plants talk to each other
A. Talking plants have been a thing of myths and legends.
B. Plants can communicate with each other.
C. Maybe one day we will be able to “talk” with plants.
Careful-reading
What is the writer’s attitude towards the scientific research on the secret language of plants
A. Positive B. Negative
C. Neutral D. Indifferent
Read Para.6 for detailed information:
Post-reading
Think and share
If you were a plant, how would you communicate with others
Situation 1
If your food were stolen by other plants, what would you do
Situation 2
If you saw an insect attacking a chilli pant, what would you do
Homework
What do you learn form the communication of plants Can you write an expository writing to introduce the ways of communication between classmates.
Thank you
Get ready to explore the world and reveal more secrets!
You may be the next Darwin!