还剩42页未读，
继续阅读
英语选择性必修 第一册Unit 5 Revealing nature教案配套课件ppt
展开
这是一份英语选择性必修 第一册Unit 5 Revealing nature教案配套课件ppt，共50页。PPT课件主要包含了Reading，Group Work，Writing等内容，欢迎下载使用。
attackbreatheeatsleepmvespeakstealthink
Let’s find ut whether plants cmmunicate with each ther. If they d, hw?
Read the passage t srt ut the type f writing.
Read the passage and find ut the ways in which plants cmmunicate.
They can cmmunicate with each ther in three ways：by using chemicals sund and “wd wide web”
Intrductin with a tpic t catch readers’ attentin, and a thesis statement t present the main cncept f yur essay.
Bdy: the first, secnd, third… pint / argument with supprting evidence
Cnclusin with a cncise summary f yur key pints / a thesis statement.
Expsitry essay structure
Part 1 Intrductin and thesis statement
Part 3 Cnclusin
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.
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.
Read fr the main idea f each paragraph and the passage structure
Plants can cmmunicate
Plants have varius ways t cmmunicate
Scientists are learning mre abut plants’ language
Part 1 Intrductin and thesis statement
Part 3 Cnclusin
Talking plants have lng been a thing f myths and legends. Many cultures have stries f talking trees that give advice as well as warnings t peple. Alexander the Great and Marc Pl were said t have visited such a tree in India. And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple.
— a thing f myths and legends
Talking trees give _____________________ t peple, eg., Alexander the Great and Marc Pl were said t have visited such a tree in India.
Talking plants
Evidence frm stries f many cultures
Evidence frm _________________
sme mdern stries
animals and peple
advice and warnings
Read fr paragraph rganisatin:
With us lng believing that talking plants are fantasy, new research has revealed smething amazing: it appears that plants can cmmunicate after all.
Read t answer the questins:
1. What relatin is implied (暗含) between this part and the rest f Para. 2?
2. What’s the rle f Para. 2 in develping the whle passage?
Para 2 is used t clearly illustrate the thesis statement.It’s als a transitinal paragraph.
An adversative relatin (转折关系). (Fr lng we have believed that talking plants are just fantasy, hwever, plants d cmmunicate as revealed by research, which is amazing.)
tiny amunts f chemicals
different chemicals
sme f these chemicals __________________
drive insects away
thers attract __________
Read t wrk ut the graph:
Plants use chemicals t cmmunicate with each ther
Inspiratin fr scientific research
Scientists hpe t learn mre abut this ___________________, s that we can use it t grw crps withut _________.
plant warning system
Mre surprisingly, plants als use sund t cmmunicate. Peple can’t hear these sunds, but plants are making them. Sme plants make nises with their rts. Crn and chilli plants d this. They als “listen” t the nises frm ther plants. A chilli plant can tell if a neighburing plant is helpful, r unfriendly. Sme trees make clicking nises when there is nt enugh water, indicating drught is arriving.
Read t wrk ut the table:
____________ with their rtslisten t the nises frm ___________
ther plants
make clicking nises when there is nt ___________, indicating drught is arriving.
enugh water
A chilli plant can tell if a _____________________ is helpful, r unfriendly.
neighburing plant
Mst surprisingly f all, plants have an amazing system f cmmunicatin that can link nearly every plant in a frest. Scientists call this system the “wd wide web”. It is in sme ways similar t the Internet we use. While the Internet is a wrldwide netwrk f cmputers linked by cables and satellites, the wd wide web is linked undergrund by fungi. 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. Fr example, sme pine trees can send fd t smaller pine trees t help them grw. But just like ur wn Internet, the wd wide web has its wn versin f “cybercrime”. Plants can steal fd frm each ther, r spread pisns t attack ther plants. Perhaps ne day scientists will learn hw t create a “firewall” t help prevent these attacks within the wd wide web.
share infrmatin and even fd with each ther
Read t fill ut the table abut :
plants steal fd frm each therplants spread pisns t attack ther plants
wd wide web
hw it is linked
1. What is the functin f “Mst surprisingly f all”?
It’s a mark: the fllwing sentence will explre the same tpic as what has been mentined, yet develping the tpic t a deeper, further degree than all that has been written befre.
2. Hw’s wd wide web similar t Internet?
They are bth systems f cmmunicatin in essence (本质上), linked by fungi and cables and satellites respectively (分别地).
Scientists are learning mre every day abut the secret ways in which plants talk t each ther. Wh knws? Maybe ne day we will knw enugh abut plant cmmunicatin t be able t “talk” with them urselves.
What is the functin f Para. 6?
Para 6 is a cnclusin and a restatement (重述) f the passage tpic. It als raises an expectatin abut future research f plant cmmunicatin.
Read t answer the questin:
Mdern research is shwing that plants can 1_________________________.
Using chemicalsThe 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, different chemicals
Check the answers
Organise infrmatin frm the passage and cmplete the diagram.
Using sundSme 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.
1. What figure f speech is being used when the plants are described as calling fr help? What is its functin?
2. What des “wd wide web” mean?
Share yur thinking n the fllwing questins
Persnificatin. It can make descriptins mre vivid.
“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.
Scientists are learning the secret ways in which plants “talk” t each ther. It has been knwn fr sme time that plants use chemicals 1______________ (cmmunicate) with each ther. When 2________ (attack) by insects, the plant releases chemicals frm the leaves that 3______________ (eat). This is like 4___ warning. When anther plant detects the chemicals, it starts t release 5___ (it) wn, different chemicals. Sme chemicals drive insects away. 6____________ (surprising), plants als use sund t cmmunicate. Sme plants make nises with their rts. Sme trees make clicking nises when there is nt enugh water, 7__________ (indicate) drught is arriving. Mst surprisingly f all, plants have an 8________ (amaze) system f cmmunicatin that can link nearly every plant in a frest. It is called “ wd wide web”, 9______ is in sme ways similar t the Internet we use. Using the wd wide web, plants can share infrmatin and even fd 10_____ each ther.
Surprisingly
indicating
t cmmunicate
are being eaten
Cmplete the summary by filling crrect wrds r crrect frms f the given wrds.
1. What d yu think are the benefits f studying plant cmmunicatin?
Think Share
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.
2. 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. They all reflect that there are numerus secrets in nature that remain t be explred.
Passage 2 reveals the discvery f cmmunicatin between plants.
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?
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.
Writing an bservatinal jurnal
They were planted side by side in sil, with the pinted ends facing up.
The leaves grew in a sunny, but cl place.
The flwers are yellw and white, and shaped like trumpets.
Wrk in pairs and lk at the pictures and talk abut hw the sunflwers grw. Then write an bservatinal jurnal abut the sunflwers.
1 JuneCvered with 1-2 cm f mist sil, the sunflwer seed takes a few days t cme up after being planted. Water has been added regularly and the hard seed cat sftens in the damp sil t allw the first rt t pierce dwnwards and the first leaves t push t the sil surface.
6 JulyThe rt cntinues t grw dwnwards. The single stem grws hllw and smth, revealing large spade-shaped leaves frm the grwing tip. Gradually, the plant’s grwing tip reveals the first hints f develpment f the flwer bud. The plant stem becmes mre wdy.
26 JulyAbut three weeks after the flwer bud first becmes visible at the tip f the sunflwer stem, it enlarges and begins t reveal a flattened disc. Over the curse f ne week, the yellw ray flrets, the disc flrets blm acrss the cre f the sunflwer blssm. It is yellw, lking beautiful.
Language Pints
Para. 1myths and legends 神话和传说as well as 也；又cmmunicate with sb. 与某人交流Para. 2-3after all 毕竟；终究It has been knwn that… 众所周知…get attacked by 被…袭击tiny amunts f 微量的drive…away 把…赶走s that 以便
Para. 4-6in sme ways 不完全地；在某种程度上be similar t 与…相似fungus n. 真菌(复数：fungi)fungal adj. 真菌的
Talking plants have lng been a thing f myths and legends. Many cultures have stries f talking trees that give advice as well as warnings t peple. 会说话的植物一直是神话传说中的一大元素。在许多种文化中流传下来的故事里，会说话的树给予人们忠告和警示。Alexander the Great and Marc Pl were said t have visited such a tree in India. 据说亚历山大大帝和马可·波罗曾在印度见过一棵会说话的树。And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple.在一些现代故事，例如电影《阿凡达》中，树可以与人类和动物沟通交流。
that引导定从，修饰talking trees
1. Talking plants have lng been a thing f myths and legends.
Talking plants即“会说话的树”，talking 为现在分词作定语，它与所修饰的名词之间存在逻辑上的主谓关系，可以替换成一个定语从句，即Plants that talk。【拓展】单个分词作定语时，通常放在被修饰的名词之前；分词短语作定语时，放在被修饰的名词之后。现在分词作前置定语，通常表示正在进行的主动动作，也可以表示主动但不是正在进行的动作。过去分词作前置定语，通常表示被动，且有时有已完成的含义。
After reading — key wrds and expressins
【例句】A falling bdy is accelerated by the attractin f the earth.（单个分词，前置）The cinema standing acrss the street was set up last year.（分词短语，后置）The injured man was rushed t the hspital.（单个分词，前置）Mst f the yung men invited t the party were Jack’s classmates.（分词短语，后置）a sleeping child, a falling star（主动，正在进行）a prmising child, a walking dictinary（主动，但不是正在进行）fried eggs, biled water（被动完成）
2. Alexander the Great and Marc Pl were said t have visited such a tree in India. And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple.
【例句】据说 Darwin是《物种起源》一书的作者。Darwin is said t be the writer f the bk On the Origin f Species.=It is said that Darwin is the writer f the bk On the Origin f Species.=Peple say (that) Darwin is the writer f the bk On the Origin f Species.
sb be said t d sth结构的含义和用法：sb be said t d sth = It is said that sb d sth = peple say (that) sb d sth“据说某人做了某事”。
With us lng believing that talking plants are fantasy, new research has revealed smething amazing: it appears that plants can cmmunicate after all.我们一直认为会说话的植物只存在于幻想之中，但新研究有了令人惊奇的发现：植物间似乎确实可以交流。
3. With us lng believing that talking plants are fantasy, new research has revealed smething amazing: it appears that plants can cmmunicate after all.
With us lng believing that talking plants are fantasy复合结构在句中作状语，说明背景。现在分词believing和前面的代词是逻辑上的主谓关系，表示主动。【拓展】在“with+名词/代词+非谓语动词”复合结构中，非谓语动词可以是不定式（多指动作尚未发生）、动词-ing形式（多指动作正在进行）、动词-ed形式（与前面的名词构成被动关系）。
【例句】With Tim guiding us, we had n difficulty in finding the destinatin. 由于Tim的引导，我们毫不费力地找到了目的地。With n ne t talk t, Jhn felt miserable. 没有人可以倾诉，约翰感到很难受。With the prblem settled, he felt relieved. 问题解决了，他如释重负。
It has been knwn fr sme time that plants use chemicals t cmmunicate with each ther. 人们早就知道植物可以利用化学物质相互交流。This happens when a plant, say a bean plant, gets attacked by insects. The plant releases tiny amunts f chemicals frm the leaves that are being eaten. This is like a warning, r a call fr help: “I”m being attacked!” 当一株植物—比如豆科植物—被昆虫袭击时，就会发生这种情况。植物从正遭受啃食的叶子中释放出微量的化学物质，这像是警示，亦或求救：“我被攻击了!”
that引导定从，修饰the leaves
4. It has been knwn fr sme time that plants use chemicals t cmmunicate with each ther.
that引导主语从句，It为形式主语，为了避免头重脚轻。
1) It is + n. +that It is a pity/shame that... It is a fact that… 2) It is + adj. +that It’s certain/pssible/bvius that…3) It +不及物动词+that It happened/appears/seems that... 4) It + be +过去分词+从句 It is said/reprted that...
5. This happens when a plant, say a bean plant, gets attacked by insects.
say在这里意为“认为；假定，比方说”。【拓展】常用的表达还有：let’s say (that) 和just say (that)。
【例句】If we put ut, say, twenty chairs, wuld that be enugh? 如果我们搬出去，比方说二十把椅子，够不够？Let’s say yur plan fails, then what? 假设说你的计划失败，那怎么办？Just say yu wn the lttery — what wuld yu d? 假定你中了彩票——你打算做什么？
When anther bean plant detects the chemicals frm its injured neighbur, it starts t release its wn, different chemicals. 当另一株豆类植物检测到附近受伤同伴释放的化学物质时，它自身便开始释放不同的化学物质，Sme f these chemicals drive insects away. Others attract insects—the wasps! 其中一些能驱赶昆虫，而另一些则会吸引另一种昆虫—黄蜂！
The wasps kill the insects that are eating the bean plants. 黄蜂会杀死那些啃食豆类植物的昆虫。Scientists hpe t learn mre abut this plant warning system, 科学家希望能进一步了解这种植物警报系统，s that we can use it t grw crps withut pesticides.从而将其应用于种植不用使用农药的农作物。
s that引导目的状语从句，意为“以便，为了”
1. We must adapt ur thinking t the _________(damage) living cnditins. 2. The cncert _________(give) by their friends was a success.3. The meeting, _________(attend) by ver five thusand peple, welcmed the great her. 4. The by lked up with a _________(satisfy) expressin. 5. He is the man _________ helped the girl ut f the water.6. _________ he finished writing the cmpsitin in such a shrt time surprised us all.
Mre surprisingly, plants als use sund t cmmunicate. Peple can't hear these sunds, but plants are making them. 更不可思议的是，植物还能用声音进行交流。虽然人类听不到，但植物确实正在发出声音。Sme plants make nises with their rts. Crn and chilli plants d this. 有些植物通过根部发出声响，比如玉米和辣椒。They als “listen” t the nises frm ther plants. A chilli plant can tell if a neighburing plant is helpful, r unfriendly. 它们还能“听见”其他植物发出的声响。由此，辣椒可以知道自己附近的植物是敌是友。Sme trees make clicking nises when there is nt enugh water, indicating drught is arriving.还有些树木在缺水时会发出咔嗒声，以示干旱就要来了。
if引导宾语从句，作tell的宾语
6. Sme trees make clicking nises when there is nt enugh water, indicating drught is arriving.
indicating为现在分词作状语，表示方式。
On the last day f ur weeklng stay, we were invited t attend a private cncert n a beautiful farm n the Nrth Shre under the stars, ___________(listen) t musicians and meeting interesting lcals.2. Many Chinese brands,__________________( develp) their reputatins ver centuries, are facing new challenges frm the mdern market.
having develped
Mst surprisingly f all, plants have an amazing system f cmmunicatin that can link nearly every plant in a frest. 然而最令人惊奇的是，植物拥有一套神奇的信息交流系统，几乎可以连接起森林中所有的植物。Scientists call this system the “wd wide web”. It is in sme ways similar t the Internet we use. 科学家们称之为“植物万维网”。在某种程度上，它很像人类使用的互联网。While the Internet is a wrldwide netwrk f cmputers linked by cables and satellites, the wd wide web is linked undergrund by fungi. 互联网是通过电缆和卫星连接的全球计算机网络，而植物万维网则是在地下通过真菌连接而成的。This fungal netwrk links the rts f different plants t each ther. 这个真菌网络将不同植物的根彼此连接。
that引导定从，修饰cmmunicatin
while在此为并列连词，表示对比，“…而，…然而”
linked为过去分词作定语，修饰cmputers
Using the wd wide web, plants can share infrmatin and even fd with each ther. 通过“植物万维网”，植物可以互相分享信息甚至是食物。Fr example, sme pine trees can send fd t smaller pine trees t help them grw. But just like ur wn Internet, the wd wide web has its wn versin f “cybercrime”. 比如，某些松树会通过真菌网络向松树幼苗输送养分，但是，像互联网一样，植物万维网也会发生“网络犯罪”。Plants can steal fd frm each ther, r spread pisns t attack ther plants. 植物会偷取同伴的养分，或散播有毒物质攻击其他植物。Perhaps ne day scientists will learn hw t create a “firewall” t help prevent these attacks within the wd wide web.也许未来某一天，科学家会研究出建造“防火墙”的方法来阻止植物万维网中的这些攻击。
Using the wd…为现在分词短语作伴随状语。
1. The study further strengthens the evidence_________(link) smking with early death.2. Generally _________(speak), there are several reasns accunting fr this accident. 3. _________(judge) frm his wrried face, we knew that he must have had sme truble. 4. This _________(fungus) infectin spreads easily at yur lcal gym. 5. __________________(最令人吃惊的是), quite a few said they dn't intend t vte at all. 6. The meeting heard that tw wrkers had been fired n the spt with n fficial reasn ______(give).
Mst surprisingly
attackbreatheeatsleepmvespeakstealthink
Let’s find ut whether plants cmmunicate with each ther. If they d, hw?
Read the passage t srt ut the type f writing.
Read the passage and find ut the ways in which plants cmmunicate.
They can cmmunicate with each ther in three ways：by using chemicals sund and “wd wide web”
Intrductin with a tpic t catch readers’ attentin, and a thesis statement t present the main cncept f yur essay.
Bdy: the first, secnd, third… pint / argument with supprting evidence
Cnclusin with a cncise summary f yur key pints / a thesis statement.
Expsitry essay structure
Part 1 Intrductin and thesis statement
Part 3 Cnclusin
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.
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.
Read fr the main idea f each paragraph and the passage structure
Plants can cmmunicate
Plants have varius ways t cmmunicate
Scientists are learning mre abut plants’ language
Part 1 Intrductin and thesis statement
Part 3 Cnclusin
Talking plants have lng been a thing f myths and legends. Many cultures have stries f talking trees that give advice as well as warnings t peple. Alexander the Great and Marc Pl were said t have visited such a tree in India. And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple.
— a thing f myths and legends
Talking trees give _____________________ t peple, eg., Alexander the Great and Marc Pl were said t have visited such a tree in India.
Talking plants
Evidence frm stries f many cultures
Evidence frm _________________
sme mdern stries
animals and peple
advice and warnings
Read fr paragraph rganisatin:
With us lng believing that talking plants are fantasy, new research has revealed smething amazing: it appears that plants can cmmunicate after all.
Read t answer the questins:
1. What relatin is implied (暗含) between this part and the rest f Para. 2?
2. What’s the rle f Para. 2 in develping the whle passage?
Para 2 is used t clearly illustrate the thesis statement.It’s als a transitinal paragraph.
An adversative relatin (转折关系). (Fr lng we have believed that talking plants are just fantasy, hwever, plants d cmmunicate as revealed by research, which is amazing.)
tiny amunts f chemicals
different chemicals
sme f these chemicals __________________
drive insects away
thers attract __________
Read t wrk ut the graph:
Plants use chemicals t cmmunicate with each ther
Inspiratin fr scientific research
Scientists hpe t learn mre abut this ___________________, s that we can use it t grw crps withut _________.
plant warning system
Mre surprisingly, plants als use sund t cmmunicate. Peple can’t hear these sunds, but plants are making them. Sme plants make nises with their rts. Crn and chilli plants d this. They als “listen” t the nises frm ther plants. A chilli plant can tell if a neighburing plant is helpful, r unfriendly. Sme trees make clicking nises when there is nt enugh water, indicating drught is arriving.
Read t wrk ut the table:
____________ with their rtslisten t the nises frm ___________
ther plants
make clicking nises when there is nt ___________, indicating drught is arriving.
enugh water
A chilli plant can tell if a _____________________ is helpful, r unfriendly.
neighburing plant
Mst surprisingly f all, plants have an amazing system f cmmunicatin that can link nearly every plant in a frest. Scientists call this system the “wd wide web”. It is in sme ways similar t the Internet we use. While the Internet is a wrldwide netwrk f cmputers linked by cables and satellites, the wd wide web is linked undergrund by fungi. 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. Fr example, sme pine trees can send fd t smaller pine trees t help them grw. But just like ur wn Internet, the wd wide web has its wn versin f “cybercrime”. Plants can steal fd frm each ther, r spread pisns t attack ther plants. Perhaps ne day scientists will learn hw t create a “firewall” t help prevent these attacks within the wd wide web.
share infrmatin and even fd with each ther
Read t fill ut the table abut :
plants steal fd frm each therplants spread pisns t attack ther plants
wd wide web
hw it is linked
1. What is the functin f “Mst surprisingly f all”?
It’s a mark: the fllwing sentence will explre the same tpic as what has been mentined, yet develping the tpic t a deeper, further degree than all that has been written befre.
2. Hw’s wd wide web similar t Internet?
They are bth systems f cmmunicatin in essence (本质上), linked by fungi and cables and satellites respectively (分别地).
Scientists are learning mre every day abut the secret ways in which plants talk t each ther. Wh knws? Maybe ne day we will knw enugh abut plant cmmunicatin t be able t “talk” with them urselves.
What is the functin f Para. 6?
Para 6 is a cnclusin and a restatement (重述) f the passage tpic. It als raises an expectatin abut future research f plant cmmunicatin.
Read t answer the questin:
Mdern research is shwing that plants can 1_________________________.
Using chemicalsThe 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, different chemicals
Check the answers
Organise infrmatin frm the passage and cmplete the diagram.
Using sundSme 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.
1. What figure f speech is being used when the plants are described as calling fr help? What is its functin?
2. What des “wd wide web” mean?
Share yur thinking n the fllwing questins
Persnificatin. It can make descriptins mre vivid.
“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.
Scientists are learning the secret ways in which plants “talk” t each ther. It has been knwn fr sme time that plants use chemicals 1______________ (cmmunicate) with each ther. When 2________ (attack) by insects, the plant releases chemicals frm the leaves that 3______________ (eat). This is like 4___ warning. When anther plant detects the chemicals, it starts t release 5___ (it) wn, different chemicals. Sme chemicals drive insects away. 6____________ (surprising), plants als use sund t cmmunicate. Sme plants make nises with their rts. Sme trees make clicking nises when there is nt enugh water, 7__________ (indicate) drught is arriving. Mst surprisingly f all, plants have an 8________ (amaze) system f cmmunicatin that can link nearly every plant in a frest. It is called “ wd wide web”, 9______ is in sme ways similar t the Internet we use. Using the wd wide web, plants can share infrmatin and even fd 10_____ each ther.
Surprisingly
indicating
t cmmunicate
are being eaten
Cmplete the summary by filling crrect wrds r crrect frms f the given wrds.
1. What d yu think are the benefits f studying plant cmmunicatin?
Think Share
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.
2. 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. They all reflect that there are numerus secrets in nature that remain t be explred.
Passage 2 reveals the discvery f cmmunicatin between plants.
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?
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.
Writing an bservatinal jurnal
They were planted side by side in sil, with the pinted ends facing up.
The leaves grew in a sunny, but cl place.
The flwers are yellw and white, and shaped like trumpets.
Wrk in pairs and lk at the pictures and talk abut hw the sunflwers grw. Then write an bservatinal jurnal abut the sunflwers.
1 JuneCvered with 1-2 cm f mist sil, the sunflwer seed takes a few days t cme up after being planted. Water has been added regularly and the hard seed cat sftens in the damp sil t allw the first rt t pierce dwnwards and the first leaves t push t the sil surface.
6 JulyThe rt cntinues t grw dwnwards. The single stem grws hllw and smth, revealing large spade-shaped leaves frm the grwing tip. Gradually, the plant’s grwing tip reveals the first hints f develpment f the flwer bud. The plant stem becmes mre wdy.
26 JulyAbut three weeks after the flwer bud first becmes visible at the tip f the sunflwer stem, it enlarges and begins t reveal a flattened disc. Over the curse f ne week, the yellw ray flrets, the disc flrets blm acrss the cre f the sunflwer blssm. It is yellw, lking beautiful.
Language Pints
Para. 1myths and legends 神话和传说as well as 也；又cmmunicate with sb. 与某人交流Para. 2-3after all 毕竟；终究It has been knwn that… 众所周知…get attacked by 被…袭击tiny amunts f 微量的drive…away 把…赶走s that 以便
Para. 4-6in sme ways 不完全地；在某种程度上be similar t 与…相似fungus n. 真菌(复数：fungi)fungal adj. 真菌的
Talking plants have lng been a thing f myths and legends. Many cultures have stries f talking trees that give advice as well as warnings t peple. 会说话的植物一直是神话传说中的一大元素。在许多种文化中流传下来的故事里，会说话的树给予人们忠告和警示。Alexander the Great and Marc Pl were said t have visited such a tree in India. 据说亚历山大大帝和马可·波罗曾在印度见过一棵会说话的树。And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple.在一些现代故事，例如电影《阿凡达》中，树可以与人类和动物沟通交流。
that引导定从，修饰talking trees
1. Talking plants have lng been a thing f myths and legends.
Talking plants即“会说话的树”，talking 为现在分词作定语，它与所修饰的名词之间存在逻辑上的主谓关系，可以替换成一个定语从句，即Plants that talk。【拓展】单个分词作定语时，通常放在被修饰的名词之前；分词短语作定语时，放在被修饰的名词之后。现在分词作前置定语，通常表示正在进行的主动动作，也可以表示主动但不是正在进行的动作。过去分词作前置定语，通常表示被动，且有时有已完成的含义。
After reading — key wrds and expressins
【例句】A falling bdy is accelerated by the attractin f the earth.（单个分词，前置）The cinema standing acrss the street was set up last year.（分词短语，后置）The injured man was rushed t the hspital.（单个分词，前置）Mst f the yung men invited t the party were Jack’s classmates.（分词短语，后置）a sleeping child, a falling star（主动，正在进行）a prmising child, a walking dictinary（主动，但不是正在进行）fried eggs, biled water（被动完成）
2. Alexander the Great and Marc Pl were said t have visited such a tree in India. And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple.
【例句】据说 Darwin是《物种起源》一书的作者。Darwin is said t be the writer f the bk On the Origin f Species.=It is said that Darwin is the writer f the bk On the Origin f Species.=Peple say (that) Darwin is the writer f the bk On the Origin f Species.
sb be said t d sth结构的含义和用法：sb be said t d sth = It is said that sb d sth = peple say (that) sb d sth“据说某人做了某事”。
With us lng believing that talking plants are fantasy, new research has revealed smething amazing: it appears that plants can cmmunicate after all.我们一直认为会说话的植物只存在于幻想之中，但新研究有了令人惊奇的发现：植物间似乎确实可以交流。
3. With us lng believing that talking plants are fantasy, new research has revealed smething amazing: it appears that plants can cmmunicate after all.
With us lng believing that talking plants are fantasy复合结构在句中作状语，说明背景。现在分词believing和前面的代词是逻辑上的主谓关系，表示主动。【拓展】在“with+名词/代词+非谓语动词”复合结构中，非谓语动词可以是不定式（多指动作尚未发生）、动词-ing形式（多指动作正在进行）、动词-ed形式（与前面的名词构成被动关系）。
【例句】With Tim guiding us, we had n difficulty in finding the destinatin. 由于Tim的引导，我们毫不费力地找到了目的地。With n ne t talk t, Jhn felt miserable. 没有人可以倾诉，约翰感到很难受。With the prblem settled, he felt relieved. 问题解决了，他如释重负。
It has been knwn fr sme time that plants use chemicals t cmmunicate with each ther. 人们早就知道植物可以利用化学物质相互交流。This happens when a plant, say a bean plant, gets attacked by insects. The plant releases tiny amunts f chemicals frm the leaves that are being eaten. This is like a warning, r a call fr help: “I”m being attacked!” 当一株植物—比如豆科植物—被昆虫袭击时，就会发生这种情况。植物从正遭受啃食的叶子中释放出微量的化学物质，这像是警示，亦或求救：“我被攻击了!”
that引导定从，修饰the leaves
4. It has been knwn fr sme time that plants use chemicals t cmmunicate with each ther.
that引导主语从句，It为形式主语，为了避免头重脚轻。
1) It is + n. +that It is a pity/shame that... It is a fact that… 2) It is + adj. +that It’s certain/pssible/bvius that…3) It +不及物动词+that It happened/appears/seems that... 4) It + be +过去分词+从句 It is said/reprted that...
5. This happens when a plant, say a bean plant, gets attacked by insects.
say在这里意为“认为；假定，比方说”。【拓展】常用的表达还有：let’s say (that) 和just say (that)。
【例句】If we put ut, say, twenty chairs, wuld that be enugh? 如果我们搬出去，比方说二十把椅子，够不够？Let’s say yur plan fails, then what? 假设说你的计划失败，那怎么办？Just say yu wn the lttery — what wuld yu d? 假定你中了彩票——你打算做什么？
When anther bean plant detects the chemicals frm its injured neighbur, it starts t release its wn, different chemicals. 当另一株豆类植物检测到附近受伤同伴释放的化学物质时，它自身便开始释放不同的化学物质，Sme f these chemicals drive insects away. Others attract insects—the wasps! 其中一些能驱赶昆虫，而另一些则会吸引另一种昆虫—黄蜂！
The wasps kill the insects that are eating the bean plants. 黄蜂会杀死那些啃食豆类植物的昆虫。Scientists hpe t learn mre abut this plant warning system, 科学家希望能进一步了解这种植物警报系统，s that we can use it t grw crps withut pesticides.从而将其应用于种植不用使用农药的农作物。
s that引导目的状语从句，意为“以便，为了”
1. We must adapt ur thinking t the _________(damage) living cnditins. 2. The cncert _________(give) by their friends was a success.3. The meeting, _________(attend) by ver five thusand peple, welcmed the great her. 4. The by lked up with a _________(satisfy) expressin. 5. He is the man _________ helped the girl ut f the water.6. _________ he finished writing the cmpsitin in such a shrt time surprised us all.
Mre surprisingly, plants als use sund t cmmunicate. Peple can't hear these sunds, but plants are making them. 更不可思议的是，植物还能用声音进行交流。虽然人类听不到，但植物确实正在发出声音。Sme plants make nises with their rts. Crn and chilli plants d this. 有些植物通过根部发出声响，比如玉米和辣椒。They als “listen” t the nises frm ther plants. A chilli plant can tell if a neighburing plant is helpful, r unfriendly. 它们还能“听见”其他植物发出的声响。由此，辣椒可以知道自己附近的植物是敌是友。Sme trees make clicking nises when there is nt enugh water, indicating drught is arriving.还有些树木在缺水时会发出咔嗒声，以示干旱就要来了。
if引导宾语从句，作tell的宾语
6. Sme trees make clicking nises when there is nt enugh water, indicating drught is arriving.
indicating为现在分词作状语，表示方式。
On the last day f ur weeklng stay, we were invited t attend a private cncert n a beautiful farm n the Nrth Shre under the stars, ___________(listen) t musicians and meeting interesting lcals.2. Many Chinese brands,__________________( develp) their reputatins ver centuries, are facing new challenges frm the mdern market.
having develped
Mst surprisingly f all, plants have an amazing system f cmmunicatin that can link nearly every plant in a frest. 然而最令人惊奇的是，植物拥有一套神奇的信息交流系统，几乎可以连接起森林中所有的植物。Scientists call this system the “wd wide web”. It is in sme ways similar t the Internet we use. 科学家们称之为“植物万维网”。在某种程度上，它很像人类使用的互联网。While the Internet is a wrldwide netwrk f cmputers linked by cables and satellites, the wd wide web is linked undergrund by fungi. 互联网是通过电缆和卫星连接的全球计算机网络，而植物万维网则是在地下通过真菌连接而成的。This fungal netwrk links the rts f different plants t each ther. 这个真菌网络将不同植物的根彼此连接。
that引导定从，修饰cmmunicatin
while在此为并列连词，表示对比，“…而，…然而”
linked为过去分词作定语，修饰cmputers
Using the wd wide web, plants can share infrmatin and even fd with each ther. 通过“植物万维网”，植物可以互相分享信息甚至是食物。Fr example, sme pine trees can send fd t smaller pine trees t help them grw. But just like ur wn Internet, the wd wide web has its wn versin f “cybercrime”. 比如，某些松树会通过真菌网络向松树幼苗输送养分，但是，像互联网一样，植物万维网也会发生“网络犯罪”。Plants can steal fd frm each ther, r spread pisns t attack ther plants. 植物会偷取同伴的养分，或散播有毒物质攻击其他植物。Perhaps ne day scientists will learn hw t create a “firewall” t help prevent these attacks within the wd wide web.也许未来某一天，科学家会研究出建造“防火墙”的方法来阻止植物万维网中的这些攻击。
Using the wd…为现在分词短语作伴随状语。
1. The study further strengthens the evidence_________(link) smking with early death.2. Generally _________(speak), there are several reasns accunting fr this accident. 3. _________(judge) frm his wrried face, we knew that he must have had sme truble. 4. This _________(fungus) infectin spreads easily at yur lcal gym. 5. __________________(最令人吃惊的是), quite a few said they dn't intend t vte at all. 6. The meeting heard that tw wrkers had been fired n the spt with n fficial reasn ______(give).
Mst surprisingly
相关课件
外研版 (2019)选择性必修 第一册Unit 6 Nurturing nature示范课课件ppt： 这是一份外研版 (2019)选择性必修 第一册Unit 6 Nurturing nature示范课课件ppt，共43页。PPT课件主要包含了Reading，Lead in，Prediction，where，what，why，how，Para 1，Para 4，Para3等内容，欢迎下载使用。
英语选择性必修 第一册Unit 5 Revealing nature备课课件ppt： 这是一份英语选择性必修 第一册Unit 5 Revealing nature备课课件ppt，共44页。PPT课件主要包含了Grammar，Summary，Practice，break down，is home to，scientific，habitats，ecosystem，appearance，primitive等内容，欢迎下载使用。
高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature教案配套ppt课件： 这是一份高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature教案配套ppt课件，共30页。PPT课件主要包含了Activity 2，wind，water，animals，people，better，further，close，sun，soil等内容，欢迎下载使用。
