外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课前预习ppt课件

这是一份外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课前预习ppt课件，共35页。PPT课件主要包含了 Lead in，attack，eat，move，sleep，breathe ，Structure，Summary等内容，欢迎下载使用。
Develping ideasThe Secret Language f Plants Reading
At the end f the class, yu will be able t:1. find ut the ways in which plants cmmunicate; rganize infrmatin frm the passage and cmplete a diagram;2. integrate the infrmatin and describe the ways f cmmunicatin between plants;3. vice yur pinin f the benefits f studying plant cmmunicatin.
1. Lk at the pictures and tick what plants can d.
( ) attack ( ) mve ( ) breathe ( ) speak( ) eat ( ) steal( ) sleep ( ) think
2. Talk abut what else yu think plants can d and give examples.
Watch a shrt vide t get mre infrmatin.
Things a plant can d: nurture the yung; listen secretly t the neighbrs; mve; digest, etc.
Make a predictin.The Secret Language f Plants
Read fr general idea.
Read the passage quickly t find ut the general idea f this passage by using the key wrds.
Plants can cmmunicate
Read the passage and find ut the ways in which plants cmmunicate. Hw many ways are mentined? What are they?
Three. Plants can cmmunicate with each ther by using chemicals, sund and “wd wide web”.
Hw d plants use the ways t cmmunicate? Organise the infrmatin frm the passage and cmplete the diagram.
Read fr detailed infrmatin.
Mdern research is shwing that plants can 1 .
Using chemicals♦♦
Using sund♦※ ※
Using the “wd wide web”♦♦♦
Maybe ne day we will be able t “talk” with plants.
cmmunicate with each ther
Mdern research is shwing that plants can 1
cmmunicate with each ther.
Using chemicals♦The plant releases chemicals 2 that are being eaten.♦When anther plant detects the chemicals, it starts t 3
frm the leaves
release its wn, different chemicals.
Using sund♦Sme plants make nises 4♦A chili plant can 5♦Sme trees make 6
with their rts.
tell if a neighburing plant is helpful r unfriendly.
clicking nises when there is nt enugh water, indicating drught is arriving.
Using the “wd wide web”This fungal netwrk links 7 Plants can 8 t attack ther plants.
the rts f different plants t each ther.
steal fd frm each ther, r spread pisns
The bdy part
Plants can cmmunicate by using
chemicals… sund… the “wd wide web”…
The bdy part
It has been knwn fr sme time that plants use chemicals t cmmunicate with each ther.
Mst surprisingly, plants als use sund t cmmunicate.
Mst surprisingly f all, plants have amazing system f cmmunicatin that can link nearly every plant in a frest.
Pst-reading
Mdern research is shwing that plants can cmmunicate.
Wrk ut the structure f the passage.
Using chemicals♦Explanatin 1♦Explanatin 2
Using sund♦Explanatin 3♦Example 1♦Example 2
Using the “wd wide web”♦Explanatin 4♦Explanatin 5
Shw Time Retell the passage.
(1) What figure f speech is being used when the plants are described as calling fr help? What is its functin?
Persnificatin.It can make descriptins mre vivid.
(2) What des “wd wide web” mean?
It means an amazing system f cmmunicatin that can link nearly every plant in a frest. It is linked undergrund by fungi and this fungal netwrk links rts f different plants t each ther. Using the rts f different plants can share infrmatin and even fd with each ther.
(3) What d yu think are the benefits f studying plant cmmunicatin?
e.g. We can use it t grw crps withut pesticides. We can imprve crp quality and agrnmic perfrmance. …
(4) What discveries are described in the tw reading passages in this unit and what d their meanings have in cmmn?
Passage 1 reveals the discvery f evlutin and Passage 2 reveals the discvery f cmmunicatin between plants. They all reflect that there are numerus secrets in nature that remain t be explred.
Lk at the pictures and tick what plants can d.
Think again and add mre.
( ) attack ( ) mve ( ) breathe ( ) speak( ) eat ( ) steal( ) sleep ( ) think
( ) fd( ) warn…
Amazing and awesme
Let animals and plants live happily and harmniusly with us!
Clear waters and green muntains are as gd as muntains f gld and silver.
Let’s answer the call f ur cuntry t advcate harmnius cexistence between humans and nature, and stick t the path f green and sustainable develpment.