Unit 5 Revealing nature Developing ideas 课件-外研版高中英语（2019）选择性必修一

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（外研版高中英语）选择性必修一
Developing ideas
Revealing nature
Unit 5
Learning Aims
By the end of the class, you will be able to:
1. obtain information about three ways of plant communication and introduce them with mind map.
2. learn about the stylistic characteristics of exposition and personification.
3. enhance the awareness of exploring the secret of nature.
What can plants do
Think
The Secret Language of Plants
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)
Alexander the Great
Marco Polo
Avatar/ v tɑ (r)/
Talking plants：myths and legend
Para.1-2: Introduction
Why
Fantasy
New research：plants can communicate.
1. How does the author explain the ways
2. What’re the functions of the ways
3. What are the benefits of studying plant communication
Using chemicals
Using sounds
Using WWW
Reveal secret(3-5)
Using chemicals
Using sounds
Using WWW
bean plant
corn/chilli plant/
some trees
grow crops without
pesticides
indicate drought is arriving
pine tree
prevent attacks
within the
Wood Wide Web
like a warning or
a call for help
drive insects away
attract insects
tell if helpful or unfriendly
indicate drought
share information even food
steal food
spread poisons
Reveal secret(3-5)
I am being attacked.
listen to the noises
a warning
a call for help
drive insects away
attract insects
tell helpful or unfriendly
no enough water
share information even food
steal food
spread poisons
What figure of speech(修辞手法) is being used What is its function
Personificiation
can make descriptions more vivid.
using chemicals
Introduce one of the plant communication using mind map.
using sounds
using Wood Wide Web
Group work
Evaluation criteria(评价标准)
Is the view of the group concise(简洁)
Are the examples appropriate
Is the process illustrated logically
Is the language accurate
Is the mind map vivid
Show time
Maybe one day we will know enough about plant communication to be able to “talk” with them ourselves.
What is scientists’ expectation
Para.6 Conclusion
How
We can have a better understanding of plants.
We can make better use of plants for the benefit of mankind.
We can better protect nature and live in harmony with nature.
Why do we try to reveal secrets of plants
Keep revealing nature!
Further-thinking
Homework
Write a summary of the passage within 100 words.
Watch a nature documentary and share the secrets of
nature it revealed.
Content
1.Objectives
2.Lead-in
3.Pre-reading
4.While-reading
5.Post-reading
6.Summary
8.Assessment
7.Homework
Learning objectives
By the end of the lesson, I will be able to...
01
02
03
04
learn some core words and expressions of the text;
retell how to make a cartoon;
understand the structure of the article；
understand the structure of the article.