外研版（2019）选择性必修第一册Unit 5 Revealing nature Developing ideas课件（16张PPT)

(共16张PPT)
The Secret Language of Plants
(Developing ideas)
SBU5
Lead in
Look at the pictures and tick what plants can do.
attack move
breathe speak
eat steal
sleep think
√
√
√
√
Pre-reading
What is the passage most likely to be taken from
A. A scientific magazine
B. A guide book
C. A fiction story
D. A news report
What is the writer’s purpose in writing the passage
To introduce the ways plants communicate with each other
To compare the differences between plants and humans
To predict where technology will take plants
To call on humans to protect the plants
While-reading
Read for sructure
The Secret Language of Plants
Plants can _____________in ways humans ______(can/can’t) notice.
communicate
can’t
Using chemicals
Sound
“Wood WIde Web”
Maybe humans will be able to “_______” with plants one day.
talk
Para. 1~2
Para. 3
Para. 4
Para. 5
Para. 6
While-reading
Read for details
Para.1-2: Introduction
Para.1 Talking plants have long been a thing of myths and legends.
Avatar
Alexander the Great
Marco Polo
While-reading
Read for details
Para.1-2: Introduction
Which of the following is not the functions of Para. 2
To lead to the following context
To arouse readers’ interests
To summarize the above
To further explain
While-reading
Read for details
Read Para. 3 carefully and fill in the mind map.
chemicals
a bean plant
insects
another bean plant
different
chemicals
wasp
While-reading
Read for details
chemicals
a bean plant
attack
insects
another bean plant
release
release
detect
different
chemicals
attract
wasp
kill
kill
drive away
Para.3: Using chemicals
While-reading
Read for details
Para.3: Using chemicals
Why do scientists do research on this plant warning system
To explore the wonders of nature
To apply it into agriculture
To protect plants
To predict the future of plants
While-reading
Read for details
Enjoy the sentence
This is like a warning, or a call for help:
”I’m being attacked”.
Which figure of speech is being used
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.
While-reading
Read for details
Para.4: Using sound
Some plants make noises ____________________________.
A chill plant can _____________________________________.
Some trees make ____________________________________.
with their roots
tell if a neighboring plant is helpful, or unfriendly
make clicking noises when there is not enough water, indicating drought is arriving
Which of the following is not the thing plants use sound to do
Listen whether their neighbors are helpful or not
Indicate the arrival of drought
Identify the unfriendly plants
Help each other get water
While-reading
Read for details
Para.5: Using the “Wood Wide Web”
Read Para. 5 carefully and complete the chart.
Find out the differences between “World Wide Web” and “Wood Wide Web”
System for ____________________among humans ___________________ among plants
Link every person on Earth every _______ in a forest
Linked by __________ and ___________ underground _______which links the ______ of different plants to each other
Use it to share _____________ and _______with each other
Cybercrime cheat someone out of his __________ spread computer virus to attack others’ ____________ steal _________ from each other
spread _________ to ______
other plants
communication
communication
plant
cables
satellites
fungi
roots
World Wide Web
Wood Wide Web
information
food
computers
money
food
poisons
attack
Short for
communicate
entertain
shop
While-reading
Read for details
Para.6: Conclusion
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
Post-reading
Think & Share
What do you think are the benefits of studying plant communication
What discoveries are described in the two reading passages in this unit and what do their meanings have in common
THANK YOU