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外研版 (2019)选择性必修 第一册Unit 5 Revealing nature学案设计
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这是一份外研版 (2019)选择性必修 第一册Unit 5 Revealing nature学案设计，共19页。学案主要包含了温馨提示，学以致用等内容，欢迎下载使用。
Starting Out&Understanding Ideas学案设计
学习目标
1.Understand key infrmatin by watching the vide,learn and master the useful expressins;
2.Strengthen reading ability by skimming,scanning and summarising t slve cmprehensive prblems related t the passage;
3.Analyse the textual structure and linguistic features f the text,and then use the relevant language t express yurself.
Step Ⅰ Lead-in
Lk at the pictures
Lk at the page frm a science magazine and answer the questins.
Questins:
1.What d yu knw abut these animals?What makes them special?
2.What ther similar animals d yu knw abut?Share yur knwledge with the class.
背景补充:
The Kmd dragn
The Kmd dragn is the largest lizard in the wrld.It can grw t three metres in length and can weigh abut 135 kilgrams.Despite its size and weight,it can run fr shrt distances at up t 20 kilmetres per hur.
The Duck-billed platypus
The duck-billed platypus is a small egg-laying mammal (up t 60 cm in length) fund nly in Eastern Australia including Tasmania.As its name suggests,it has a muth that lks like a duck’s bill,while its thick fur and flat tail are similar t thse f a beaver.
Nautilus
As ne f the ldest sea animals in the wrld,the nautilus has hardly changed in abut 500 millin years,and that is why it is ften given the name “living fssil”.
Step Ⅱ While -reading
Activity 1 Read fr tpic
Chse the main idea f the passage and give yur reasns.
1.Darwin’s interest in varius living things made him a great naturalist.
2.Darwin’s jurney n the Beagle inspired his Thery f Evlutin.
3.Darwin went n a jurney t cnfirm his thery that humans had evlved ver time.
Activity 2 Read fr detailed infrmatin
Organise infrmatin frm the passage and cmplete the table.
Activity 3 Language pints and translatin
1.It was a yung man wh had left medical schl withut cmpleting his degree.
【翻译】 ________________________________________________________
【讲解】该句子为It 结构的强调句,强调主语a yung man。
强调句的基本结构:
陈述句:__________________________________________________________
一般疑问句:______________________________________________________
特殊疑问句:______________________________________________________
强调“”结构中由until引导的短语或从句时,结构为:________________
【温馨提示】强调句中的it不能更换,be动词与其余部分的时态一致,数的形式不受强调部分单复数的影响;被强调部分可以是除谓语动词以外的任何成分,被强调部分是人可用that/wh指代,其他一律用that指代;被强调部分若是原句的主语,wh/that之后的谓语动词的人称和数与该主语一致。
【学以致用】
(1)我刚读完的是这本小说。
(2)三个星期之后他才听到这个消息。
2.But Darwin’s scientific studies were s cnvincing that mre and mre peple started t believe his thery.
【翻译】 _______________________________________________________
【讲解】句中的表示“如此……以至于……”,that引导结果状语从句。
【学以致用】
(1)他气得一句话也说不出来。
(2)他太小了,不能照顾自己。
(3)他学习如此努力,得了一等奖。
Step Ⅲ Pst-reading
Think and share
G thrugh the questins and think abut them individually,then discuss the questins in grups.
Questins:
1.Why were many peple “shcked” by Darwin’s thery?
_______________________________________________________
2.What kind f persn was Darwin accrding t the passage?
_______________________________________________________
3.Hw d yu think the human species will evlve in the future?
_______________________________________________________
4.What have yu learnt abut the spirit f scientific explratin?Hw can this spirit help yu in yur life and studies?
_______________________________________________________
Step Ⅳ Hmewrk
课文语法填空,在空白处填入1个适当的单词或括号内单词的正确形式。
The captain f the ship named the Beagle wanted smene t prfit by 1.___________(visit) distant cuntries.Luckily,Darwin gt the pprtunity,2. he was nt the captain’s first chice.Darwin was a gelgist and naturalist,3. (fascinate) by rcks,plants and animals.The jurney gave him the chance 4. (study) varius living things in their natural envirnments.After Darwin 5. (spend) sme time in Suth America,his rm was crwded with samples f the plants and animals he had cllected.He began t cnsider the questin 6. different species came t exist.He nticed that sme species f animals were very similar 7. each ther.Maybe animals evlved as they adapted t their 8. (change) envirnments?Darwin decided t find ut the truth.In 1835,Darwin saw a variety f new species,but it was the birds that interested him the mst.After much research,he came t the 9.(cnclude) that new species evlved frm earlier ancestrs.Darwin explained this thery in his bk,On the Origin f Species,which 10. (regard) as ne f the mst imprtant wrks ever written.It has changed ideas abut life n Earth frever,and it all began with the jurney n the Beagle.
评价量规
续 表
参考答案
Step Ⅰ Lead-in
Students’ wn answers.
Step Ⅱ While -reading
Activity 1
2
Activity 2
On his jurney:varius living things in their natural envirnments and samples f the plants and animals he had cllected;sme species f animals were very similar t each ther
Generate ideas:1.Hw did different species cme t exist?2.Maybe animals evlved as they adapted t their changing envirnments?
Lk fr mre evidence:that there was a difference between the finches n each f the islands;had evlved accrding t what fd was available n that particular island
Develp ideas:the finches had evlved frm a cmmn ancestr,which had arrived n the islands a lng time befre;slwly evlved int many new species
Prpse a thery:had evlved frm lwer frms f life
Activity 3
1.这个年轻人从医学院肄业。
It is/was+被强调部分+that/wh+其他部分.
Is/Was it+被强调部分+that/wh+其他部分?
被强调部分(通常是疑问代词或疑问副词)+is/was it+that+其他部分?
It is/was nt until+被强调部分+that+其他部分.
(1)It is this nvel that I just finished.
(2)It was three weeks later that he heard the news.
2.但是达尔文的科学研究是如此令人信服,以至于越来越多的人开始相信他的理论。
(1)He was s angry that he culdn’t say a wrd.
(2)He is s yung that she can’t lk after herself.
(3)He wrks s hard that he gt first prize.
Step Ⅲ Pst-reading
1.At that time,peple believed that all species had appeared n Earth at the same time and had nt changed since,but Darwin’s thery prpsed that living things,including humans,had evlved frm lwer frms f life,which,as a result,shcked many peple.
2.Darwin was a determined man.He had strng curisity and interest in science and was gd at thinking and making discveries.
3.Students’ wn answers.
4.Students’ wn answers.
Step Ⅳ Hmewrk
1.visiting 2.althugh/thugh 3.fascinated 4.t study 5.had spent 6.hw 7.t 8.changing 9.cnclusin 10.is regarded
Using Language学案设计
学习目标
1.Crrectly use the past perfect accrding t the cntext;
2.Learn sme infrmatin abut bidiversity and use them t express in different situatins;
3.Enhance listening ability and understand the main idea f the listening material;
4.Share life experiences and give sme advice r cmments.
Step Ⅰ Lead-in
Lk at the sentences frm the reading passage and answer the questins.
a Darwin suspected that the finches had evlved frm a cmmn ancestr,...
b Many peple refused t believe that living things,including humans,had evlved frm lwer frms f life.
Questins:
1.In sentence (a),which actin happened first,“suspected” r “evlved frm a cmmn ancestr”?
2.In sentence (b),which actin happened first,“refused t believe” r “evlved frm lwer frms f life”?
3.What des the structure had dne indicate?
Step Ⅱ Analysis and identificatin
Activity 1 Cmplete the paragraphs with the infrmatin frm the given sentences
1.a Natural disasters led t fd shrtages in the 1960s.
b Yuan Lngping began t d research n hybrid rice.
c Yuan Lngping develped a better type f rice.
Yuan Lngping (1) t d research n hybrid rice because natural disasters (2) fd shrtages in the 1960s.In the end,he (3) a better type f rice.
2.a Gregr Mendel chse t study pea plants because their characteristics were easy t cntrl.
b Gregr Mendel made imprtant discveries abut genetics.
c Gregr Mendel died in 1884.
Gregr Mendel (4) study pea plants because their characteristics were easy t cntrl.By the time f his death in 1884,he (5) imprtant discveries abut genetics.
Activity 2 Cmplete the nline encyclpaedia entry with the crrect frm f the wrds in the bx
cmpete decline eat live intrduce arrive
Lnesme Gerge
Lnesme Gerge was the last Pinta Island trtise.He died in 2012.After Gerge’s death,the Pinta Island trtise was declared extinct.
The extinctin f the Pinta Island trtise is blamed n humans.Befre humans 1. n the island,the species 2. in islatin and 3. the plants that naturally grew there.Gerge was discvered many years after their arrival,and by then humans 4. new species that 5. fr the fd the trtises ate.After gats in particular had been brught t the island,the Pinta Island trtise ppulatin 6. .Eventually,nly Gerge remained.
Step Ⅲ Listening
Activity 1 Listen t the pdcast and chse the statements that are made
1.Bidiversity is imprtant.
2.Bacteria are always harmful t humans.
3.Sme species f bacteria are used in fd prductin.
4.Many species f bacteria recycle dead rganic matter.
5.Our immune systems are able t fight ff all germs.
Activity 2 Listen again and cmplete the fact sheet
Cells
•Every living thing is 1.__________________________________.
They are like 2.______________________________________.
•In the human bdy there are abut 3. human cells and arund 4. bacteria cells.
Bacteria
•Mst bacteria in the human bdy can 5. .
•In the fd prductin prcess,bacteria can 6. dead rganic matter.
Activity 3 Cmplete the bxes with the expressins frm the pdcast
•D yu knw
•By the way,...
•Actually,...
•Have yu heard
•In fact,...
•Speaking f which,...
Checking backgrund knwledge
Adding infrmatin
Step Ⅳ Bidiversity
Activity 1 Read the passage and answer the questins
Earth is hme t millins f different species.Sme can be very small,like bacteria and viruses,which are s small that we cannt see them with nly ur eyes.By cntrast,the largest animal species s far fund n ur planet is the blue whale,which can grw up t almst 30 metres in length and weigh ver 130,000 kils.The tughest species is prbably the water bear.This tiny rganism can survive temperatures frm 150℃ t a belw freezing -272℃.T best survive in their envirnment,each species has develped its wn unique physical characteristics.
Each year,scientists identify arund 15,000 new species.Hwever,diversity n ur planet is such,that there are still millins f species n Earth remaining t be discvered.
Questins:
1.What species are mentined and what is special abut them?
2.What ther unusual life frms d yu knw f?
Activity 2 Cmplete the paragraphs with the crrect frm f the wrds and expressins in the bx
ancestr scientific be native t primitive habitat appearance be hme t ecsystem
The Gal’pags Islands are renwned wrldwide fr their unique bidiversity.The Giant Trtise Reserve n Santa Cruz 1. several species f giant trtise that 2. the Gal’pags Islands.The island is als hme t the Charles Darwin Research Statin,where 3. studies are carried ut.
Mangrves are ne f the castal plants that grw n Isabela.They serve as the 4. fr varius birds and fish,and are very imprtant t the 5. .
Iguanas can be fund n San Crist’bal.They have a very special 6. ,with cmb-like spines n their back.There is evidence that all the different iguanas have develped frm mre 7. nes and share a cmmn 8. .
Step Ⅴ Discussin
Wrk in pairs.Lk at the pictures f the species native t different regins f China in the textbk.Talk abut bidiversity in China using the wrds and expressins in this sectin.D nline research t find mre infrmatin.
Nw talk abut what methds yu used t cllect the infrmatin required.Cmpare yur methds with yur partner’s and think abut which methds are mre efficient.
Step Ⅵ Hmewrk
一、语法专练。
1.His newly written nvel (translate) int English by the end f last mnth.
2.I (plan) t take a French curse last summer,but I changed the plan later.
3.It is the first time that we (talk) abut this issue face t face.
4.It was the tenth time that the Chinese wmen’s vlleyball team (claim) the wrld champinship.
5.She fund that the huse in the area (destry) by the strm.
6.They (plant) six hundred trees befre last Wednesday.
7.The band (g) n tur t prmte their new album.
8.It (rain) heavily in the last few days and muntain trrents may becme a danger at any mment.We must be prepared.
9.Silk (becme) ne f the primary gds traded alng the Silk Rad by abut 100 BC.
二、翻译句子。
1.Natural disasters led t fd shrtages in the 1960s.
2.Yuan Lngping began t d research n hybrid rice.
3.Earth is hme t millins f different species.
评价量规
参考答案
Step Ⅰ Lead-in
1.In sentence (a),“evlved frm a cmmn ancestr” happened first.
2.In sentence (b),“evlved frm lwer frms f life” happened first.
3.It indicates the actin happened befre a certain past actin.
Step Ⅱ Analysis and identificatin
Activity 1
1.(1)began (2)had led t (3)develped
2.(4)chse t (5)had made
Activity 2
1.arrived 2.had lived 3.eaten 4.had intrduced 5.cmpeted 6.declined
Step Ⅲ Listening
Activity 1
3,4
Activity 2
1.made up f cells 2.bricks that are used t build huses 3.thirty trillin 4.thirty-nine trillin 5.help with digestin 6.break dwn
Activity 3
Checking backgrund knwledge
D yu knw
Have yu heard
Adding infrmatin
By the way,...
Actually,...
In fact,...
Speaking f which,...
Step Ⅳ Bidiversity
Activity 1
1.Tw species are mentined:the blue whale and the water bear.The blue whale is the largest animal species n Earth,which can grw up t almst 30 metres in length and weigh ver 130,000 kils.The water bear is prbably the tughest species,which can survive temperatures frm 150℃ t a belw freezing -272℃.
2.Students’ wn answers.
Activity 2
1.is hme t 2.are native t 3.scientific 4.habitats 5.ecsystem 6.appearance 7.primitive 8.ancestr
Step Ⅵ Hmewrk
一、1.had been translated 2.had planned 3.have talked 4.had claimed 5.had been destryed 6.had planted 7.has gne 8.has been raining 9.had becme
二、1.20世纪60年代,自然灾害造成粮食短缺。
2.袁隆平开始研究杂交水稻。
3.地球是数百万不同物种的栖息地。
Develping Ideas学案设计
学习目标
1.Understand the text,master the key vcabulary related t the tpic and describe the cmmunicatin mdes between natural plants;
2.Analyse an event in different ways and find ut the psitive and negative effects f it;
3.Use the wrds and expressins t help yu shw yur pinins.
Step Ⅰ Lead-in
Lk at the pictures and tick what plants can d.
Step Ⅱ While -reading
Activity 1 Skim fr infrmatin
Read the passage and answer the questins.
1.What’s the genre f the passage?
A.Expsitin.
B.Argumentatin.
C.Narratin.
2.Read the passage and find ut the ways in which plants cmmunicate.
Activity 2 Read fr detailed infrmatin
Organise infrmatin frm the passage and cmplete the diagram.
Step Ⅲ Pst-reading
Think and share
G thrugh the fur questins and think abut them individually,then discuss the questins in grups.
Questins:
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?
3.What d yu think are the benefits f studying plant cmmunicatin?
4.What discveries are described in the tw reading passages in this unit and what d their meanings have in cmmn?
Step Ⅳ Hmewrk
翻译句子。
1.Many cultures have stries f talking trees that give advice as well as warnings t peple.
2.With us lng believing that talking plants are fantasy,new research has revealed smething amazing:it appears that plants can cmmunicate after all.
3.Scientists hpe t learn mre abut this plant warning system,s that we can use it t grw crps withut pesticides.
4.Sme trees make clicking nises when there is nt enugh water,indicating drught is arriving.
评价量规
参考答案
Step Ⅰ Lead-in
Students’ wn answers.
Step Ⅱ While -reading
Activity 1
1.A
2.They may cmmunicate with each ther by using chemicals,sund and “wd wide web”.
Activity 2
1.cmmunicate with each ther 2.frm the leaves 3.release its wn,different chemicals 4.with their rts 5.tell if a neighburing plant is helpful,r unfriendly
6.clicking nises when there is nt enugh water,indicating drught is arriving 7.the rts f different plants t each ther 8.share infrmatin and even fd 9.steal fd frm each ther,r spread pisns
Step Ⅲ Pst-reading
1.Persnificatin.
It can make descriptins mre vivid.
2.“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.Students’ wn answers.
4.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.
Step Ⅳ Hmewrk
1.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。
2.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.科学家希望能进一步了解这种植物警报系统,从而将其应用于种植不用使用农药的农作物。
4.还有些树木在缺水时会发出咔嗒声,以示干旱就要来了。
Presenting Ideas学案设计
学习目标
1.Understand the nature frm a variety f perspectives;
2.Recmmend an excellent dcumentary related t the theme f the unit;
3.Have a deeper understanding f the relatinship between human and nature.
Step Ⅰ Lead-in
Lk at the infrmatin abut the nature dcumentaries and answer the questins.
Questins:
1.Can yu guess what secrets f nature are revealed in these dcumentaries?
2.What ther nature dcumentaries have yu watched? Which ne d yu like mst?
Give yur reasns.
Step Ⅱ Think and definitin
Activity 1 Take ntes
Chse ne nature dcumentary yu like and cmplete the ntes.
Title:___________________
Main theme:__________________
Reasns yu recmmend it:____________________
Activity 2 Grup discussin
Wrk in grups.Talk abut ne nature dcumentary yu like.
Use the mind map t express yurselves with lgic and finally chse “the best candidate” based n the evaluatin table.
Step Ⅲ Presentatin
Prepare a shrt presentatin.Cnsider the fllwing:
1.the structure f yur presentatin
2.useful wrds,expressins and structures
Give yur presentatin t the class.Vte fr the best presentatin.
Step Ⅳ Reflectin
Write a reflectin after cmpleting this unit.Cnsider the fllwing:
评价量规
UNUSUAL ANIMALS TODAY
Kmd dragn:
Kmd dragns were first encuntered by Western researchers in 1910.
The researchers said the ancestr f the Kmd dragn mst likely evlved in Australia and spread westward,reaching the Indnesian island f Flres 900,000 years ag.
Duck-billed platypus:
The first scientists t examine a preserved platypus bdy judged it a fake in the late 18th century.
The ldest discvered fssil f the mdern platypus dates back t abut 100,000 years ag.
Nautilus:
Fssil recrds indicate that the nautilus has survived relatively unchanged fr arund 500 millin years.It is ften cnsidered a “living fssil”.
The jurney f discvery
On his
jurney
Darwin studied _________________.
He nticed that _________________.
Generate ideas
He raised the questins:
_________________________________
_________________________________
Lk fr mre evidence
On the Gal’pags Islands:
He nticed .
The beaks seemed t .
Develp ideas
He suspected that and it had .
Prpse a thery
The Thery f Evlutin:living things,including humans, .
学习目标
目标达成评价等级
A
B
C
D
Understand key infrmatin by watching the vide,learn and master the useful expressins.
Strengthen reading ability by skimming,scanning and summarising t slve cmprehensive prblems related t the passage.
学习目标
目标达成评价等级
A
B
C
D
Analyse the textual structure and linguistic features f the text,and then use the relevant language t express yurself.
评价项目
自我评价
教师评价
能够正确运用过去完成时
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够运用过去完成时介绍一种生物
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够通过听力活动,正确获取主旨大意和详细信息
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够通过听力学习活动,深刻理解“自然界生物的多样性”
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够理解同伴的观点并给予恰当的评论
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
学习目标
目标达成评价等级
A
B
C
D
Understand the text,master the key vcabulary related t the tpic and describe the cmmunicatin mdes between natural plants.
Analyse an event in different ways and find ut the psitive and negative effects f it.
Use the wrds and expressins t help yu shw yur pinins.
Title
Main theme
Reasns yu recmmend it
Assessment cntents
Excellent
Gd
Average
Pr
Cntents and
Structure
5
4
3
1-2
Vcabulary and
Grammar
5
4
3
1-2
Prnunciatin and
Fluency
5
4
3
1-2
Ttal scre
13-15
10-12
7-9
1-6
Starting Out&Understanding Ideas学案设计
学习目标
1.Understand key infrmatin by watching the vide,learn and master the useful expressins;
2.Strengthen reading ability by skimming,scanning and summarising t slve cmprehensive prblems related t the passage;
3.Analyse the textual structure and linguistic features f the text,and then use the relevant language t express yurself.
Step Ⅰ Lead-in
Lk at the pictures
Lk at the page frm a science magazine and answer the questins.
Questins:
1.What d yu knw abut these animals?What makes them special?
2.What ther similar animals d yu knw abut?Share yur knwledge with the class.
背景补充:
The Kmd dragn
The Kmd dragn is the largest lizard in the wrld.It can grw t three metres in length and can weigh abut 135 kilgrams.Despite its size and weight,it can run fr shrt distances at up t 20 kilmetres per hur.
The Duck-billed platypus
The duck-billed platypus is a small egg-laying mammal (up t 60 cm in length) fund nly in Eastern Australia including Tasmania.As its name suggests,it has a muth that lks like a duck’s bill,while its thick fur and flat tail are similar t thse f a beaver.
Nautilus
As ne f the ldest sea animals in the wrld,the nautilus has hardly changed in abut 500 millin years,and that is why it is ften given the name “living fssil”.
Step Ⅱ While -reading
Activity 1 Read fr tpic
Chse the main idea f the passage and give yur reasns.
1.Darwin’s interest in varius living things made him a great naturalist.
2.Darwin’s jurney n the Beagle inspired his Thery f Evlutin.
3.Darwin went n a jurney t cnfirm his thery that humans had evlved ver time.
Activity 2 Read fr detailed infrmatin
Organise infrmatin frm the passage and cmplete the table.
Activity 3 Language pints and translatin
1.It was a yung man wh had left medical schl withut cmpleting his degree.
【翻译】 ________________________________________________________
【讲解】该句子为It 结构的强调句,强调主语a yung man。
强调句的基本结构:
陈述句:__________________________________________________________
一般疑问句:______________________________________________________
特殊疑问句:______________________________________________________
强调“”结构中由until引导的短语或从句时,结构为:________________
【温馨提示】强调句中的it不能更换,be动词与其余部分的时态一致,数的形式不受强调部分单复数的影响;被强调部分可以是除谓语动词以外的任何成分,被强调部分是人可用that/wh指代,其他一律用that指代;被强调部分若是原句的主语,wh/that之后的谓语动词的人称和数与该主语一致。
【学以致用】
(1)我刚读完的是这本小说。
(2)三个星期之后他才听到这个消息。
2.But Darwin’s scientific studies were s cnvincing that mre and mre peple started t believe his thery.
【翻译】 _______________________________________________________
【讲解】句中的表示“如此……以至于……”,that引导结果状语从句。
【学以致用】
(1)他气得一句话也说不出来。
(2)他太小了,不能照顾自己。
(3)他学习如此努力,得了一等奖。
Step Ⅲ Pst-reading
Think and share
G thrugh the questins and think abut them individually,then discuss the questins in grups.
Questins:
1.Why were many peple “shcked” by Darwin’s thery?
_______________________________________________________
2.What kind f persn was Darwin accrding t the passage?
_______________________________________________________
3.Hw d yu think the human species will evlve in the future?
_______________________________________________________
4.What have yu learnt abut the spirit f scientific explratin?Hw can this spirit help yu in yur life and studies?
_______________________________________________________
Step Ⅳ Hmewrk
课文语法填空,在空白处填入1个适当的单词或括号内单词的正确形式。
The captain f the ship named the Beagle wanted smene t prfit by 1.___________(visit) distant cuntries.Luckily,Darwin gt the pprtunity,2. he was nt the captain’s first chice.Darwin was a gelgist and naturalist,3. (fascinate) by rcks,plants and animals.The jurney gave him the chance 4. (study) varius living things in their natural envirnments.After Darwin 5. (spend) sme time in Suth America,his rm was crwded with samples f the plants and animals he had cllected.He began t cnsider the questin 6. different species came t exist.He nticed that sme species f animals were very similar 7. each ther.Maybe animals evlved as they adapted t their 8. (change) envirnments?Darwin decided t find ut the truth.In 1835,Darwin saw a variety f new species,but it was the birds that interested him the mst.After much research,he came t the 9.(cnclude) that new species evlved frm earlier ancestrs.Darwin explained this thery in his bk,On the Origin f Species,which 10. (regard) as ne f the mst imprtant wrks ever written.It has changed ideas abut life n Earth frever,and it all began with the jurney n the Beagle.
评价量规
续 表
参考答案
Step Ⅰ Lead-in
Students’ wn answers.
Step Ⅱ While -reading
Activity 1
2
Activity 2
On his jurney:varius living things in their natural envirnments and samples f the plants and animals he had cllected;sme species f animals were very similar t each ther
Generate ideas:1.Hw did different species cme t exist?2.Maybe animals evlved as they adapted t their changing envirnments?
Lk fr mre evidence:that there was a difference between the finches n each f the islands;had evlved accrding t what fd was available n that particular island
Develp ideas:the finches had evlved frm a cmmn ancestr,which had arrived n the islands a lng time befre;slwly evlved int many new species
Prpse a thery:had evlved frm lwer frms f life
Activity 3
1.这个年轻人从医学院肄业。
It is/was+被强调部分+that/wh+其他部分.
Is/Was it+被强调部分+that/wh+其他部分?
被强调部分(通常是疑问代词或疑问副词)+is/was it+that+其他部分?
It is/was nt until+被强调部分+that+其他部分.
(1)It is this nvel that I just finished.
(2)It was three weeks later that he heard the news.
2.但是达尔文的科学研究是如此令人信服,以至于越来越多的人开始相信他的理论。
(1)He was s angry that he culdn’t say a wrd.
(2)He is s yung that she can’t lk after herself.
(3)He wrks s hard that he gt first prize.
Step Ⅲ Pst-reading
1.At that time,peple believed that all species had appeared n Earth at the same time and had nt changed since,but Darwin’s thery prpsed that living things,including humans,had evlved frm lwer frms f life,which,as a result,shcked many peple.
2.Darwin was a determined man.He had strng curisity and interest in science and was gd at thinking and making discveries.
3.Students’ wn answers.
4.Students’ wn answers.
Step Ⅳ Hmewrk
1.visiting 2.althugh/thugh 3.fascinated 4.t study 5.had spent 6.hw 7.t 8.changing 9.cnclusin 10.is regarded
Using Language学案设计
学习目标
1.Crrectly use the past perfect accrding t the cntext;
2.Learn sme infrmatin abut bidiversity and use them t express in different situatins;
3.Enhance listening ability and understand the main idea f the listening material;
4.Share life experiences and give sme advice r cmments.
Step Ⅰ Lead-in
Lk at the sentences frm the reading passage and answer the questins.
a Darwin suspected that the finches had evlved frm a cmmn ancestr,...
b Many peple refused t believe that living things,including humans,had evlved frm lwer frms f life.
Questins:
1.In sentence (a),which actin happened first,“suspected” r “evlved frm a cmmn ancestr”?
2.In sentence (b),which actin happened first,“refused t believe” r “evlved frm lwer frms f life”?
3.What des the structure had dne indicate?
Step Ⅱ Analysis and identificatin
Activity 1 Cmplete the paragraphs with the infrmatin frm the given sentences
1.a Natural disasters led t fd shrtages in the 1960s.
b Yuan Lngping began t d research n hybrid rice.
c Yuan Lngping develped a better type f rice.
Yuan Lngping (1) t d research n hybrid rice because natural disasters (2) fd shrtages in the 1960s.In the end,he (3) a better type f rice.
2.a Gregr Mendel chse t study pea plants because their characteristics were easy t cntrl.
b Gregr Mendel made imprtant discveries abut genetics.
c Gregr Mendel died in 1884.
Gregr Mendel (4) study pea plants because their characteristics were easy t cntrl.By the time f his death in 1884,he (5) imprtant discveries abut genetics.
Activity 2 Cmplete the nline encyclpaedia entry with the crrect frm f the wrds in the bx
cmpete decline eat live intrduce arrive
Lnesme Gerge
Lnesme Gerge was the last Pinta Island trtise.He died in 2012.After Gerge’s death,the Pinta Island trtise was declared extinct.
The extinctin f the Pinta Island trtise is blamed n humans.Befre humans 1. n the island,the species 2. in islatin and 3. the plants that naturally grew there.Gerge was discvered many years after their arrival,and by then humans 4. new species that 5. fr the fd the trtises ate.After gats in particular had been brught t the island,the Pinta Island trtise ppulatin 6. .Eventually,nly Gerge remained.
Step Ⅲ Listening
Activity 1 Listen t the pdcast and chse the statements that are made
1.Bidiversity is imprtant.
2.Bacteria are always harmful t humans.
3.Sme species f bacteria are used in fd prductin.
4.Many species f bacteria recycle dead rganic matter.
5.Our immune systems are able t fight ff all germs.
Activity 2 Listen again and cmplete the fact sheet
Cells
•Every living thing is 1.__________________________________.
They are like 2.______________________________________.
•In the human bdy there are abut 3. human cells and arund 4. bacteria cells.
Bacteria
•Mst bacteria in the human bdy can 5. .
•In the fd prductin prcess,bacteria can 6. dead rganic matter.
Activity 3 Cmplete the bxes with the expressins frm the pdcast
•D yu knw
•By the way,...
•Actually,...
•Have yu heard
•In fact,...
•Speaking f which,...
Checking backgrund knwledge
Adding infrmatin
Step Ⅳ Bidiversity
Activity 1 Read the passage and answer the questins
Earth is hme t millins f different species.Sme can be very small,like bacteria and viruses,which are s small that we cannt see them with nly ur eyes.By cntrast,the largest animal species s far fund n ur planet is the blue whale,which can grw up t almst 30 metres in length and weigh ver 130,000 kils.The tughest species is prbably the water bear.This tiny rganism can survive temperatures frm 150℃ t a belw freezing -272℃.T best survive in their envirnment,each species has develped its wn unique physical characteristics.
Each year,scientists identify arund 15,000 new species.Hwever,diversity n ur planet is such,that there are still millins f species n Earth remaining t be discvered.
Questins:
1.What species are mentined and what is special abut them?
2.What ther unusual life frms d yu knw f?
Activity 2 Cmplete the paragraphs with the crrect frm f the wrds and expressins in the bx
ancestr scientific be native t primitive habitat appearance be hme t ecsystem
The Gal’pags Islands are renwned wrldwide fr their unique bidiversity.The Giant Trtise Reserve n Santa Cruz 1. several species f giant trtise that 2. the Gal’pags Islands.The island is als hme t the Charles Darwin Research Statin,where 3. studies are carried ut.
Mangrves are ne f the castal plants that grw n Isabela.They serve as the 4. fr varius birds and fish,and are very imprtant t the 5. .
Iguanas can be fund n San Crist’bal.They have a very special 6. ,with cmb-like spines n their back.There is evidence that all the different iguanas have develped frm mre 7. nes and share a cmmn 8. .
Step Ⅴ Discussin
Wrk in pairs.Lk at the pictures f the species native t different regins f China in the textbk.Talk abut bidiversity in China using the wrds and expressins in this sectin.D nline research t find mre infrmatin.
Nw talk abut what methds yu used t cllect the infrmatin required.Cmpare yur methds with yur partner’s and think abut which methds are mre efficient.
Step Ⅵ Hmewrk
一、语法专练。
1.His newly written nvel (translate) int English by the end f last mnth.
2.I (plan) t take a French curse last summer,but I changed the plan later.
3.It is the first time that we (talk) abut this issue face t face.
4.It was the tenth time that the Chinese wmen’s vlleyball team (claim) the wrld champinship.
5.She fund that the huse in the area (destry) by the strm.
6.They (plant) six hundred trees befre last Wednesday.
7.The band (g) n tur t prmte their new album.
8.It (rain) heavily in the last few days and muntain trrents may becme a danger at any mment.We must be prepared.
9.Silk (becme) ne f the primary gds traded alng the Silk Rad by abut 100 BC.
二、翻译句子。
1.Natural disasters led t fd shrtages in the 1960s.
2.Yuan Lngping began t d research n hybrid rice.
3.Earth is hme t millins f different species.
评价量规
参考答案
Step Ⅰ Lead-in
1.In sentence (a),“evlved frm a cmmn ancestr” happened first.
2.In sentence (b),“evlved frm lwer frms f life” happened first.
3.It indicates the actin happened befre a certain past actin.
Step Ⅱ Analysis and identificatin
Activity 1
1.(1)began (2)had led t (3)develped
2.(4)chse t (5)had made
Activity 2
1.arrived 2.had lived 3.eaten 4.had intrduced 5.cmpeted 6.declined
Step Ⅲ Listening
Activity 1
3,4
Activity 2
1.made up f cells 2.bricks that are used t build huses 3.thirty trillin 4.thirty-nine trillin 5.help with digestin 6.break dwn
Activity 3
Checking backgrund knwledge
D yu knw
Have yu heard
Adding infrmatin
By the way,...
Actually,...
In fact,...
Speaking f which,...
Step Ⅳ Bidiversity
Activity 1
1.Tw species are mentined:the blue whale and the water bear.The blue whale is the largest animal species n Earth,which can grw up t almst 30 metres in length and weigh ver 130,000 kils.The water bear is prbably the tughest species,which can survive temperatures frm 150℃ t a belw freezing -272℃.
2.Students’ wn answers.
Activity 2
1.is hme t 2.are native t 3.scientific 4.habitats 5.ecsystem 6.appearance 7.primitive 8.ancestr
Step Ⅵ Hmewrk
一、1.had been translated 2.had planned 3.have talked 4.had claimed 5.had been destryed 6.had planted 7.has gne 8.has been raining 9.had becme
二、1.20世纪60年代,自然灾害造成粮食短缺。
2.袁隆平开始研究杂交水稻。
3.地球是数百万不同物种的栖息地。
Develping Ideas学案设计
学习目标
1.Understand the text,master the key vcabulary related t the tpic and describe the cmmunicatin mdes between natural plants;
2.Analyse an event in different ways and find ut the psitive and negative effects f it;
3.Use the wrds and expressins t help yu shw yur pinins.
Step Ⅰ Lead-in
Lk at the pictures and tick what plants can d.
Step Ⅱ While -reading
Activity 1 Skim fr infrmatin
Read the passage and answer the questins.
1.What’s the genre f the passage?
A.Expsitin.
B.Argumentatin.
C.Narratin.
2.Read the passage and find ut the ways in which plants cmmunicate.
Activity 2 Read fr detailed infrmatin
Organise infrmatin frm the passage and cmplete the diagram.
Step Ⅲ Pst-reading
Think and share
G thrugh the fur questins and think abut them individually,then discuss the questins in grups.
Questins:
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?
3.What d yu think are the benefits f studying plant cmmunicatin?
4.What discveries are described in the tw reading passages in this unit and what d their meanings have in cmmn?
Step Ⅳ Hmewrk
翻译句子。
1.Many cultures have stries f talking trees that give advice as well as warnings t peple.
2.With us lng believing that talking plants are fantasy,new research has revealed smething amazing:it appears that plants can cmmunicate after all.
3.Scientists hpe t learn mre abut this plant warning system,s that we can use it t grw crps withut pesticides.
4.Sme trees make clicking nises when there is nt enugh water,indicating drught is arriving.
评价量规
参考答案
Step Ⅰ Lead-in
Students’ wn answers.
Step Ⅱ While -reading
Activity 1
1.A
2.They may cmmunicate with each ther by using chemicals,sund and “wd wide web”.
Activity 2
1.cmmunicate with each ther 2.frm the leaves 3.release its wn,different chemicals 4.with their rts 5.tell if a neighburing plant is helpful,r unfriendly
6.clicking nises when there is nt enugh water,indicating drught is arriving 7.the rts f different plants t each ther 8.share infrmatin and even fd 9.steal fd frm each ther,r spread pisns
Step Ⅲ Pst-reading
1.Persnificatin.
It can make descriptins mre vivid.
2.“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.Students’ wn answers.
4.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.
Step Ⅳ Hmewrk
1.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。
2.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.科学家希望能进一步了解这种植物警报系统,从而将其应用于种植不用使用农药的农作物。
4.还有些树木在缺水时会发出咔嗒声,以示干旱就要来了。
Presenting Ideas学案设计
学习目标
1.Understand the nature frm a variety f perspectives;
2.Recmmend an excellent dcumentary related t the theme f the unit;
3.Have a deeper understanding f the relatinship between human and nature.
Step Ⅰ Lead-in
Lk at the infrmatin abut the nature dcumentaries and answer the questins.
Questins:
1.Can yu guess what secrets f nature are revealed in these dcumentaries?
2.What ther nature dcumentaries have yu watched? Which ne d yu like mst?
Give yur reasns.
Step Ⅱ Think and definitin
Activity 1 Take ntes
Chse ne nature dcumentary yu like and cmplete the ntes.
Title:___________________
Main theme:__________________
Reasns yu recmmend it:____________________
Activity 2 Grup discussin
Wrk in grups.Talk abut ne nature dcumentary yu like.
Use the mind map t express yurselves with lgic and finally chse “the best candidate” based n the evaluatin table.
Step Ⅲ Presentatin
Prepare a shrt presentatin.Cnsider the fllwing:
1.the structure f yur presentatin
2.useful wrds,expressins and structures
Give yur presentatin t the class.Vte fr the best presentatin.
Step Ⅳ Reflectin
Write a reflectin after cmpleting this unit.Cnsider the fllwing:
评价量规
UNUSUAL ANIMALS TODAY
Kmd dragn:
Kmd dragns were first encuntered by Western researchers in 1910.
The researchers said the ancestr f the Kmd dragn mst likely evlved in Australia and spread westward,reaching the Indnesian island f Flres 900,000 years ag.
Duck-billed platypus:
The first scientists t examine a preserved platypus bdy judged it a fake in the late 18th century.
The ldest discvered fssil f the mdern platypus dates back t abut 100,000 years ag.
Nautilus:
Fssil recrds indicate that the nautilus has survived relatively unchanged fr arund 500 millin years.It is ften cnsidered a “living fssil”.
The jurney f discvery
On his
jurney
Darwin studied _________________.
He nticed that _________________.
Generate ideas
He raised the questins:
_________________________________
_________________________________
Lk fr mre evidence
On the Gal’pags Islands:
He nticed .
The beaks seemed t .
Develp ideas
He suspected that and it had .
Prpse a thery
The Thery f Evlutin:living things,including humans, .
学习目标
目标达成评价等级
A
B
C
D
Understand key infrmatin by watching the vide,learn and master the useful expressins.
Strengthen reading ability by skimming,scanning and summarising t slve cmprehensive prblems related t the passage.
学习目标
目标达成评价等级
A
B
C
D
Analyse the textual structure and linguistic features f the text,and then use the relevant language t express yurself.
评价项目
自我评价
教师评价
能够正确运用过去完成时
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够运用过去完成时介绍一种生物
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够通过听力活动,正确获取主旨大意和详细信息
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够通过听力学习活动,深刻理解“自然界生物的多样性”
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
能够理解同伴的观点并给予恰当的评论
□Excellent
□Gd
□In need f
imprvement
□Excellent
□Gd
□In need f
imprvement
学习目标
目标达成评价等级
A
B
C
D
Understand the text,master the key vcabulary related t the tpic and describe the cmmunicatin mdes between natural plants.
Analyse an event in different ways and find ut the psitive and negative effects f it.
Use the wrds and expressins t help yu shw yur pinins.
Title
Main theme
Reasns yu recmmend it
Assessment cntents
Excellent
Gd
Average
Pr
Cntents and
Structure
5
4
3
1-2
Vcabulary and
Grammar
5
4
3
1-2
Prnunciatin and
Fluency
5
4
3
1-2
Ttal scre
13-15
10-12
7-9
1-6
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