高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课文配套课件ppt

这是一份高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课文配套课件ppt，共38页。PPT课件主要包含了contents，Homework，III，给出建议，与交流，遭受攻击，从释放，把赶走，发出噪音，更令人吃惊的是等内容，欢迎下载使用。
Pre-reading
Pst-reading
Fast reading
Language pints
While-reading
Pre-reading: Lead-in
Lk at the pictures and tick what plants can d.
attack breathe eat sleep
mve speak steal think
Nw talk abut what else yu think plants can d and give examples.
In Avatar, trees can cmmunicate with animals and peple.
Fast reading: Skimming
Read the passage and find ut the ways in which plants cmmunicate.
They can cmmunicate with each ther by using chemicals, sund and “wd wide web”.
Read fr the main idea f each paragraph.
Para 1Para 2Para 3
Many cultures have stries f talking trees.
New research has revealed smething amazing:it appears that plants can cmmunicate.
Plants use chemicals t cmmunicate with each ther.
Para 4Para 5Para 6
Plants als use sund t cmmunicate.
Plants have an amazing system f cmmunicatin called “wd wide web”.
Scientists are learning mre abut the secret ways in which plants talk t each ther.
Fast reading: Scanning
Organise infrmatin frm the passage and cmplete the diagram.
Mdern research is shwing that plants can 1 _______________ _______________.
Using chemicals♦The plant releases chemicals 2 _____________ that are being eaten.♦When anther plant detects the chemicals, it starts t 3 _________________________________.
cmmunicate with each ther
frm the leaves
release its wn, differentchemicals
Using sund♦Sme plants make nises 4 _____________.♦A chilli 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 ___________________________ with each ther.Plants can 9 ___________________________________ _______ t attack ther plants.
the rts f different plants t each ther
share infrmatin and even fd
steal fd frm each ther, r spread pisns
Maybe ne day we will be able t “talk” with plants.
While-reading: Learning t learn
Persnificatin means giving human characteristics t smething that is nt human. By using human characteristics t describe an bject, animal r even a place, persnificatin can make descriptins mre vivid.
While-reading: Answer the questins
What figure f speech is being used when the plants are described as calling fr help? What is its functin?What des “wd wide web” mean?What d yu think are the benefits f studying plant cmmunicatin?What discveries are described in the tw reading passages in this unit and what d their meanings have in cmmn?
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?
“Wd wide web” 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 the rts f different plants t each ther. Using the wd wide web, plants can share infrmatin and even fd with each ther.
3. What d yu think are the benefits f studying plant cmmunicatin?
It will help us knw mre abut the wrld f plants and then get a better understanding f the secret f nature and encurage us t explre mre abut the mysterius nature. What’s mre, it will teach us an imprtant lessn, that is, human shuld live in harmny with mther nature. And it is ur respnsibility t fulfill the missin.
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.
Pst-reading: Wrk in grups
Give a talk abut cmmunicatin between living things.
1. Read the passage again and talk abut hw plants cmmunicate.2. Think abut and discuss the fllwing ways f cmmunicatin in the animal wrld.
• Bees “dance” t signal t ther bees that they have fund fd.• Ants cmmunicate with each ther thrugh tuch, chemical signals, mving their bdies and even using their legs t make sunds.What ther ways can yu think f?
While-reading: Wrk in grups
3. Organise yur ideas fllwing the steps belw.• Begin with what living things yu have chsen t talk abut.• Explain hw they cmmunicate and give examples.• Cnclude by explaining what we have learnt frm their behaviur.
4. Give a talk t the class abut cmmunicatin between living things.
Nw talk abut hw well yu cntributed t yur grup discussin and help each ther t make imprvements.
1. cmmunicate vt & vi 传达，表达 cmmunicate … t 传送给…… cmmunicate … with 与……联系，与……相通
Language pints: Imprtant wrds
1) 小组成员必须通过角色扮演互相交流。2) 他们成功地把知识传授给他人。
Grup members have t cmmunicate with each ther thrugh rle-play.
They successfully cmmunicate their knwledge t thers.
2. detect / detectivedetect 发觉；察觉；探测 detective 侦探
1）一位知名侦探已发现了他的秘密。2）他发现他的小弟弟正在阳台上抽烟。
A well-knwn detective has detected his secret.
He detected his little brther smking in the balcny.
1. give advice _____________________ 2. be said t _____________________ 3. cmmunicate … with _____________________ 4. get attacked _____________________ 5. release … frm _____________________ 6. drive away _____________________
Language pints: Imprtant lexical chunks
7. make nises _____________________ 8. after all _____________________ 9. mre surprisingly _____________________ 10. be similar t _____________________ 11. link … t _____________________12. steal … frm _____________________
Paraphrase: It is said that Alexander the Great and Marc Pl had gne t see a tree like that in India.
1. Alexander the Great and Marc Pl were said t have visited such a tree in India.
Language pints: Imprtant sentences
sb be said t d = It is said that sb … = Peple say sb … 据说某人做了某事
1）据说Darwin是《物种起源》一书的作者。
It is said that Darwin is the writer f the bk On the Origin f Species.
2) 据说他是一位有名的作家。3）据说那辆车是他偷来的。
It is said that he is a famus writer.= He is said t be a famus writer.
It is said that he stle that car.= He is said t have stlen that car.
2. With us lng believing that talking plants are fantasy, new research has revealed smething amazing: it appears that plants can cmmunicate after all.
with + 名词 / 代词 + 非谓语动词
Paraphrase: While we have believed fr a lng time that talking plants are unreal, new research has fund ut smething amazing: it seems that plants can talk t each ther after all.
with + 名词 / 代词 + 非谓语动词 1）由于Tim的引导，我们毫不费力地找到了目的地。 2）有好多工作有待完成，他很焦虑。 3）问题解决了，他如释重负。
With Tim guiding us, we had n difficulty in finding the destinatin.
With a lt f wrk t d, he felt anxius.
With the prblem settled, he felt relieved.
Dn’t scld him anymre. After all, he is still a little kid.
别再批评他了，他毕竟还是个小孩。
3. This happens when a plant, say a bean plant, gets attacked by insects.
1）假定你的计划失败了，那么我们怎么办呢? 2) 我们假设你是对的。
Say yur plan fails, then what d we d?
Let’s say that yu are right.
Paraphrase: When a plant like a bean plant is attacked by insects, this happens.
4. Scientists call this system the “wd wide web.”
源于互联网词汇wrld wide web