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46页。PPT课件主要包含了by water，by animals，Para1 ，Para7 ，Para2 ，Para3 ，Para4 ，Para5 ，Para6 ，Para等内容，欢迎下载使用。
Starting ut
What d yu knw abut these animals? What makes them special?What ther similar animals d yu knw abut? Share yur knwledge with the class.
Lk at the page frm a science magazine and answer the questins.
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 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.
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”.
They are all species that survived fr thusands f years n earth; They are ld and rare (unusual).
Jellyfish are sft-bdied，free-swimming aquatic animals with an umbrella-shaped bell.They are fund in every cean.
Hw can seeds travel? Hw can this benefit plants?2. Can yu think f anther example f seeds travelling? Share it with the class.
Watch the vide and answer the questins.
Plants can have a better chance at life.
by the wind
Hw can seeds travel? Hw can this benefit plants?
2. Can yu think f anther example f seeds travelling? Share it with the class.
Seeds Traveling
by itselfby the windby the waterby the birdsby the animalsby the insects
Undesrtanding ideas
Lk at the evlutinary tree and answer the questins.
What species d yu recgnise in the picture?What factrs can cause the prcess f evlutin?
paramecium 草履虫（单细胞生物）
jellyfish 水母（腔肠动物）
flatwrm（扁形动物）
earthwrm 蚯蚓（环节动物）
snail 蜗牛（软体动物）
crab 螃蟹（节肢动物）
starfish（棘皮动物）
frg 青蛙（两栖动物）
turtle 海龟（爬行动物）
zebra 斑马（哺乳动物）
gymnsperms（裸子植物）
angisperm（被子植物）
hrsehair wrm（线形动物）
evlutinarytree
The ever-changing envirnment f nature;
genetic mutatin...
ppulatin immigratin;
natural cmpetitin；
Pre-reading
Wh made this discvery?
What is the discvery?
Hw did he make the discvery?
Charles Rbert Darwin
The thery f evlutin The Origin f Species
The British bilgist, naturalist and the funder f Thery f Evlutin. In his early years, he sailed arund the wrld n the Beagle fr five years, and bserved and cllected a lt f animals, plants and gelgical structures. He published the Origin f Species and put frward the thery f bilgical evlutin.
Darwin's Thery f Evlutin is ne f the basic fundatins f mdern science. It shws that plants and animals can change ver time. The changes are usually small and difficult t detect, but they add up ver many generatins and can result in new species.
Intrductin
On his jurney
Generate ideas
Lk fr mre evidence
Develp ideas
Prpse a thery
While-reading
The structure
The text is rganized in rder f ______.
Befre the jurney
During the jurney
After the jurney
What's the genre f the passage?ExpsitinArgumentatinNarratin
A Jurney f Discvery
Questin: Hw did different species cme t exist?
By ship — the Beagle
On the Origin f Species
Chse the main idea f the passage and give yur reasns.
Darwin’s interest in varius living things made him a great naturalist.Darwin’s jurney n the Beagle inspired his Thery f Evlutin.Darwin went n a jurney t cnfirm his thery that humans had evlved ver time.
1. What is the functin f para. 1?T praise Charles DarwinT aruse readers’ interestsT intrduce Charles Darwin’s achievementsT infrm readers f Charles Darwin’s life2. Which f the fllwing statements abut Charles Darwin is True? Darwin wanted t benefit frm visiting little-knwn cuntriesDarwin quitted medical schl due t his lack f mneyDarwin’s father was satisfied with DarwinDarwin’s made a significant scientific discvery thanks t his adventures n the ship Beagle
Para. 1: Intrductin
Para. 2: On his jurney
very similar t each ther
varius living things in their natural envirnments and samples f the plants and animals he had cllected
ON HIS JOURNEYDarwin studied ____________________________________________________________________________________________________________He nticed that sme species f animals were ____________________________________
Para. 3: Generate ideas
GENERATE IDEASDarwin asked the questins:Hw did different species_____________？____________________________________________________________________
cme t exist
Maybe animals evlved as they adapted t their changing envirnments？
at the same time
Para. 4: Lk fr mre evidence
LOOK FOR EVIDENCEOn the Galápags Islands:He nticed ____________________________________________________________________________It seemed the beaks ____________________________________________________________________________
had evlved accrding t what fd was available n that particular island
that there was a difference between the finches n each f the islands
Para. 5: Develp ideas
DEVELOP IDEASDarwin suspected that the finches ________________________________________________________________________________________________ and it had ________________________________________________.
had evlved frm a cmmn ancestr, which had arrived n the islands a lng time befre
slwly evlved int many new species
A _________ ancestr
__________ int different species
Para. 6: Prpse a thery
PROPOSE A THEORYThe Thery f Evlutin: living things, including humans,____________________________________________.
had evlved frm lwer frms f life
_______ t believe
peple were _______
______ t believe
studied ___________________ and nticed sme species were very ___________ t each ther
Animals _________ as they adapted t their _________ envirnments
_______ f finches ________
Species________
The Thery f _________
varius living things
Para. 7: Cnclusin
Jurney n the ___________
Jurney t discver _______________
The Thery f Evlutin
ship Beagle
asked himself a questin(generated an idea)
answered the questin(develped an idea)
published the bk (prpsed a thery)
started his jurney
Pst-reading
Why were many peple “shcked” by Darwin’s thery？
At that time, many 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.
What kind f persn was Darwin accrding t the passage?
Darwin was a determined man. He had strng curisity and interests in science and was gd at thinking and making discveries.
Hw d yu think the human species will evlve in the future?
What have yu learnt abut the spirit f scientific explratin? Hw can this spirit help yu in yur life and studies?
Be a real explrer nt just in study, but als in yur life!
Language pints
The jurney gave him the chance t study varius living things in their natural envirnments. 这次旅行使他有机会在自然环境中研究各种生物。varius adj. 各种各样的; 多方面的; 许多的【语块积累】vary 　　　　　　　　vi. 变化; 不同; [生]变异vary frm . . . t 从……不同variety n. 不同; 种类; 变化, 多样化 复数: varieties a variety f=varieties f各种各样的, 种种
【即学活用】(1)T jin the Party, he tk an active part in __________ activities.  为了入党, 他积极参加各种活动。(2)These data have been cllected frm _______ surces. 这些数据是从各方面搜集来的。(3)Typing patterns _________ persn t persn.  打字模式因人而异。
a variety f
His rm n the ship was crwded with samples f the plants and animals he had cllected. 他船上的房间里堆满了他收集的动植物标本。be crwded with 拥塞; 挤满; 充满【语块积累】crwd in　　　　　(想法、问题等) 涌上心头; 涌入脑海be crwded with. . . 挤满了……crwd int/ut f挤进/挤出crwd arund聚集在……的周围a crwd f一群; 一伙; 一堆crwds f成群的……; 许多
【即学活用】(1)语法填空。①The landscape f public health is ________ (crwd) with an ever grwing number f partnerships, initiatives, and implementing agencies. ②When species crwd ____ an area, they cmpete fr resurces and becme efficient at using them. (2) ____________ gathered n a square utside the Kremlin walls.  一大群人聚集在克里姆林宫墙外的广场上。
A huge crwd
As he studied these, he asked himself the questin: hw did different species cme t exist? 当他研究这些物种时, 他问了自己一个问题: 不同的物种是如何形成的? cme t exist存在, 形成【语块积累】cme acrss (偶然)遇见; 碰见 cme int being 形成cme t/int pwer 上台执政, 当权 cme t an end 结束cme t a cnclusin 得出结论 cme t the pint 说到要点, 切中要害cme t life 苏醒过来, 变得活跃起来cme ut 出现; 开花; 发行; 发表
【即学活用】(1)语法填空。①President Trump has cracked dwn n Chinese trade since he came ____ pwer.  ②Quite by accident, she came up ____ a brilliant and simple slutin t the challenging prblem. (2) _______________China’s ecnmic develpment, mst cuntries in the wrld have great expectatins fr ur develpment prspects.  当谈到中国经济发展的时候, 世界上大多数国家都对我们的发展前景抱有很大期望。
When it cmes t
Maybe animals evlved as they adapted t their changing envirnments? 也许动物是在适应不断变化的环境时进化的? adapt vi. 适应于, 适应不同情况(或环境)(t)【知识延伸】adaptatin 　　　n. 适应, 顺应; 改编, 改编本 adapted adj. 适合的 v. 使适应, 改编(adapt的过去式)adaptable adj. 可适应的; 有适应能力的; 适合的; 可改编的【语块积累】adapt t　　　　(使)适合; (使)适应adapt frm根据……改写(或改编); 改自
【易混辨析】adpt与adaptadpt是及物动词, 接名词或代词作宾语。作“采用, 采纳, 采取”解时, 后面常接方法、方针、步骤、政策、意见、态度、计划之类的名词; 作“正式通过或接受”解时, 后面常接报告、议案、决议、方案、计划之类的名词。adapt vt. 改编; 使适应 vi. 适应。adapt的基本意思是通过必要的改动以适应新的条件或适于某事物。用作及物动词时意思是“使适应, 使适合”, 接sb. /sth. 作宾语, “适应”的客体常可用介词t引出。adapt还可特指“改编”“改写”, 这时其客体须由介词fr或frm 引出。She adapted herself quickly t the new climate.
【即学活用】(1)语法填空。①She was left an rphan and a pr peasant wman _______ (adpt)her. ②These styles can be _______ (adapt) t suit individual tastes. ③She refused t give the child fr ________ (adpt). (2)It tk him a while t ______________ the cld weather.  他过了好一阵子才适应了寒冷的天气。 (3)Children ________ a new envirnment mre easily than adults. 儿童比成人更容易适应新的环境。(4)It is well knwn that the film Red Srghum is ____________ the nvel f the same title by M Yan.  众所周知, 电影《红高粱》改编自莫言的同名小说。  
adapt himself t
adapted frm
When the Beagle reached the Galapags Islands in 1835, Darwin saw a variety f new species, but it was the birds that interested him the mst.  当贝格尔号在1835年到达加拉帕戈斯岛时, 达尔文看到了各种各样的新物种, 但最让他感兴趣的是鸟类。 【句式解构】　　该句为复合句, when 引导时间状语从句, it was . . . that. . . 为强调句。*(2018·天津高考)It was nly when the car pulled up in frnt f ur huse that we saw Lily in the passenger seat. 当汽车停在我们家前面时, 我们才看到莉莉坐在副驾驶座上。
快速掌握强调句(1)强调句常用来突出说话人要强调的语言信息, 给对方以强烈的印象和感受。译成汉语时, 常加上 “正是”等字眼。其基本结构: It + be的适当形式 + 被强调成分 + that (wh) + 其他成分He bught the bk in this shp yesterday. →It was he that bught the bk in this shp yesterday. (强调主语he)→It was the bk that he bught in this shp yesterday. (强调宾语the bk)→It was in this shp that he bught the bk yesterday. (强调地点状语in this shp)
【注意】①在该强调结构中, It无任何意义但不可以换成this或者that等。It is (was). . . that (wh). . . 为结构词, 假如去掉, 剩下部分在语法结构和句子含义上均完整, 这一点正是它和定语从句等的本质区别。②关于that与wh当被强调部分指人时, 可以用wh/that; 当被强调部分指物时通常用that; 当被强调部分既包括人又包括物, 用that不用wh。It was the things and peple that they remembered that they were talking abut.
(2)特殊形式的强调句结构强调句型的否定形式、一般疑问句形式、特殊疑问句形式: ①否定形式: It is/was nt+被强调部分+that+其他成分. It was nt in England that Olympic Cmpetitins first started. ②一般疑问句形式: Was/Is it + 被强调部分 + that+其他成分? Is it the girl in red that is yur sister? ③特殊疑问句形式: 特殊疑问词 + was/is it + that + 其他成分? What is it that yu want me t d? Wh was it that tld yu the news? When was it that he first came t China? Where was it that yu met her? Hw was it that he slved the prblem?
【即学活用】(1)语法填空。①It was nly when I reread his pems recently ____ I began t appreciate their beauty.  ②It is the ability t d the jb ____ matters nt where yu cme frm r what yu are. (2) ______during the Secnd Wrld War ____ he died?  他是在第二次世界大战期间死的吗? (3) _____________she tk ff her dark glasses ____ I realized she was a famus film star.  直到她摘下墨镜, 我才意识到她是一位著名的电影明星。
It was nt until
But Darwin’s scientific studies were s cnvincing that mre and mre peple started t believe his thery. 但是达尔文的科学研究是如此有说服力, 以至于越来越多的人开始相信他的理论。cnvincing adj. 令人相信的; 有说服力的【语块积累】cnvince vt. (cnvinced; cnvinced)　使相信, 说服; 使确信cnvince sb. t d sth. 说服某人做某事cnvince sb. f sth. 使某人信服某事cnvince sb. that. . . . 使某人相信……be cnvinced f sth. /that 确信; 承认……
【即学活用】(1)语法填空。①He tried t cnvince them __ the safety f traveling by airplane. ②We are _________ (cnvince)that the 2022 Beijing Winter Olympic Games will be a great success.  ③There is nw __________(cnvince) evidence that smking causes lung cancer. (2)The acting is ________________ it makes yu believe that it is ne f the best meals he has ever tasted.  这表演如此有说服力以至于使你相信这是他吃过的最可口的饭菜之一了。
s cnvincing that
Review language pints.D further research with yur friends abut why Darwin did nt publish his Thery f Evlutin until 1859, abut twenty years after his discvery.