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高中Unit 5 Revealing nature背景图课件ppt
展开Sectin A Starting ut & Understanding ideas
1._______________ n.种子,籽 2._______________ adj.遥远的 3._______________ n.样本 4. _______________v.猜想,怀疑,觉得
5.______________ n.(动物的)原种,祖先 6.generate n.____________________
1. 追溯到 ____________________________2. 与……相似 ________________________3. 适应 _______________________________4. 各种各样的 _________________________5. 随着时间的推移 _____________________
date back t
be similar t
a variety f
6. f all time __________________________7. in questin __________________________ 8. be crwded with ______________________9. cme t exist ________________________10. be regarded as _______________________
被提及的;讨论中的;相关的
1. it was the birds that interested him the mst.2. Hw d yu think the human species will evlve in the future?
1. distant→(n.)______________________2. generate→(n.)_____________________
根据课文内容,回答下列问题。
1. Why was Charles Darwin a disgrace t himself and all his family?( )A. Because he learned medical in the schl.B. Because he decided t visit distant cuntries.C. Because he went fr adventures after schl.D. Because he left medical schl with n degree.
2. What′s Darwin′s favurite subject?( )A. Lng distance jurney.B. Living things.C. Medical degree.D. Natural envirnment.
3. What did Darwin discver first? ( )A. All species appeared at the same time.B. All species had never changed.C. Sme species were very similar.D. The evidence fr changing envirnments.
4. Many factrs affect the evlutin except ________. A. tls B. ancestrC. envirnment D. fd
5. Hw did the peple then react t Darwin′s discvery first?( )A. Respected. B. Refused. C. Accepted. D. Believed.
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.
1 Hw can seeds travel? Hw can this benefit plants?2 Can yu think f anther example f seeds travelling? Share it with the class.
1 What species d yu recgnise in the picture?2 What factrs can cause the prcess f evlutin?
A Jurney f Discvery
1 The captain f the ship,the Beagle,wanted smene wh wuld “prfit by the pprtunity f visiting distant cuntries yet little knwn”. The persn wh answered the call was nt the captain′s first chice. It was a yung man wh had left medical schl withut cmpleting his degree. What′s mre,he had recently received a letter frm his father predicting that he wuld be “a disgrace t yurself and all yur family”.
Despite all this,his adventures n this ship wuld lead t ne f the mst imprtant scientific discveries f all time.
2 The yung man in questin, Charles Darwin,was a gelgist and naturalist,fascinated by rcks,plants and animals. He left England n the ship,the Beagle,in1831. The jurney gave him the chance t study varius living things in their natural envirnments. After Darwin had spent sme time in Suth America,his rm n the ship was crwded with samples f the plants and animals he had cllected. As he studied these,he asked himself the questin:hw did different species cme t exist?
3 At that time,peple believed that all species had appeared n Earth at the same time,and had nt changed since. But Darwin began t think differently. He nticed that sme species f animals were very similar t each ther. Maybe animals evlved as they adapted t their changing envirnments? It was just an idea,but enugh t inspire Darwin t lk fr mre evidence.
4 When the Beagle reached the Galápags Islands in 1835,Darwin saw a variety f new species,but it was the birds that interested him the mst. Darwin nticed that there was a difference between the finches n each f the islands. It seemed their beaks had evlved accrding t what fd was available n that particular island.
5 Darwin suspected that the finches had evlved frm a cmmn ancestr,which had arrived n the islands a lng time befre. Over time,it had slwly evlved int many new species. And that was the answer t hw new species f plants and animals came t exist:they evlved frm earlier ancestrs.
6 It was a cmpletely new idea-a thery f evlutin. Darwin explained this thery in his bk,On the Origin f Species. It was nt published unti1859 and immediately caused a strm. Many peple refused t believe that living things,including humans,had evlved frm lwer frms f life. They were shcked. But Darwin′s scientific studies were s cnvincing that mre and mre peple started t believe his thery.
7 Tday,On the Origin f Species is regarded 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.
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.
Nw discuss why Darwin did nt publish his Thery f Evlutin until 1859,abut twenty years after his discvery. D further research if necessary.
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?
Eg. All the bjects are frm the same excavatin site in Sanxingdui and dates back t between 3,000 and 5,000 years ag.所有物品都来自同一个遗址——三星堆遗址,它们可追溯到3 000至5 000 年前。
This building which has a lng histry can date back t the Ming Dynasty.这座有着悠久历史的建筑可以追溯到明朝。
date back t 和 date frm 一般不用于进行时态。作后置定语时,常用动词 -ing 形式。
(1) 我从学生时代就开始爱好集邮。My interest in stamp cllecting __________________ ___________ my schldays
dates frm / dates back t
(2) 那个专家说这座寺庙历史悠久,可追溯到初唐时期。Accrding t the expert,the temple has a histry ____ _______________________________the early Tang Dynasty.
dating frm / dating back t
Eg. Stp pretending the prblem desn′t exist.别再假装这个问题不存在了。Many peple wnder whether life exists n Mars.很多人想知道火星上是否有生命存在。
existence n.存在;生存exist n 靠……生活bring/call int existence 使产生;使成立cme int existence 开始存在;产生;成立in existence 存在的;现存的;现有的put ut f existence 消灭;灭绝;杀死
Eg. They existed n bread and water fr ver 5 mnths.他们靠面包和水生存了5个多月。Privately-wned kindergartens have cme int existence since 1980s.自从20世纪80年代以来出现了私立幼儿园。
(1) 世界是什么时候产生的?________________________________________________(2) 我靠我挣的工资简直难以糊口,根本无钱享受。________________________________________________________________________________________________
When did the wrld cme int existence?
I can hardly exist n the wage I′m getting;there is n mney fr luxuries.
Eg. Our sn has adapted t a very different system f educatin.我们的儿子已经适应了一个非常不同的教育体制。My eyes adapted themselves t the light f the cluded mn.我的眼睛已适应了那朦胧的月光。
adapt sth frm 根据……改编某物 为……而改写/改编……adaptable adj.能适应的;可修改的adaptatin n.适应;改编;改写本
Eg. As far as I knw,he is ging t adapt his nvel fr a play.据我所知,他计划把自己的小说改编成戏剧。It is well knwn that the film Red Srghum is adapted frm the nvel f the same title by M Yan.众所周知,电影《红高粱》是根据莫言的同名小说改编而成的。
(1) 他适应了寒冷的天气。He ____________________ the cld weather.(2) 据说这部新影片是根据简·奥斯丁的一本小说改编而成的。This new film is said t ________________ a nvel by Jane Austen.
adapted himself t
be adapted frm
(3) 关于孩子们,好的一点是他们很容易适应新环境。The gd thing abut children is that they __________ ___________the new envirnment.
adapt very easily t
suspect 为动词,意为“猜想;怀疑”;作名词时,意为“嫌疑犯”。作形容词时,意为“可疑的,不可信的”。
Eg. If yu suspect a gas leak,d nt turn n an electric light.如果你怀疑有煤气泄漏,就不要打开电灯。Tw suspects are nw being interrgated in cnnectin with the killing.与杀人案有关的两名犯罪嫌疑人正在接受审讯。
suspect sb t be 猜想某人……suspect sb f (ding) sth 怀疑某人(做)某事suspicius adj.有疑心的;表示怀疑的be suspicius f 对……起疑Suspiciusly adv.怀疑地;猜疑地
Eg. Hw d yu advertise a scial mvement that is suspicius f advertising?你要如何为一个对广告持怀疑态度的社会运动做广告呢?I knew him,and yu nw find that my suspicin was nt grundless. 我认识他,你现在发现我的怀疑不是没有根据的了吧。
(1) The custms fficer inspected my passprt ___________ (suspicius).(2) A man was hanging abut the huse in a ____________ (suspect) manner.
suspiciusly
(3) The plice suspected him _____ cncealing infrmatin imprtant t the case.
Eg. The data yu have cllected is nt enugh t be cnvincing.你们收集的材料说服力不足。This argument seems cnvincing,but is easily verturned.这个论点好像令人信服,但很容易就被推翻了。
cnvince vt.使确信,使信服;说服cnvinced adj.确信的;坚信的cnvince sb f sth 使某人相信某事cnvince sb t d sth 说服某人做某事be cnvinced f 确信;坚信be cnvinced that... 坚信
Eg. He was cnvinced that his theries were crrect.他确信他的学说是正确的。We cnvinced Anne t g by train rather than plane.我们说服了安妮放弃乘飞机,而是坐火车离开。
(1) Many peple were influenced by her _____________ (cnvince) arguments.(2) ____________ (cnvince) f the accuracy f the data,they stuck t their pinin.
(3) Rbert′s expressin had bviusly cnvinced her _____ his inncence.
regard 为及物动词,意为“把……看作”,常见搭配为 be regarded as,意为“被看作”;另外还有“注重;考虑;看待;尊敬”之意。regard 作名词,表示“注意;尊重;问候;凝视”之意。
Eg. Human life is regarded as part f nature and,as such,the nly way fr us t survive is t live in harmny with nature.人的生命被认为是大自然的一部分,同样,我们生存的唯一方式就是与大自然和谐相处。
in/with regard t/regarding 关于,至于 把……看作in this/that regard 在这/那方面;在这/那一点上give my best regards (t sb) 请代我问候(某人);请代我(向某人)致意regardless f 不管,不顾
Eg. We regard him as a real friend f us.我们把他当作我们真正的朋友。Bys and girls tend t be different in this regard.男孩和女孩在这方面往往有所不同。D give her my regards.务必代我向她问好。
(1) 不管他们同不同意我都去。I shall g __________________ whether they agree r nt.(2) 他把我当成家人一样对待。He ____________ me _______ ne f his family.
regardless f
(3) 关于那件事我没什么要说的。I have nthing t say _________________ that matter.
in/with regard t
1. it was the birds that interested him the mst.……但使他最感兴趣的是那些鸟。
Eg. It was the English teacher wh encuraged me t read bks every day.是英语老师鼓励我每天都要读书的。
(1) 强调句型的基本结构为“It is/was+被强调部分+that/wh+其余部分”。被强调的部分通常是句子的主语、宾语和状语;被强调部分如果是人,用 that 和 wh 都可以,如果强调的是人以外的其他成分,则只能用 that。
(2) 如果强调 句型中 until 引导的时间状语,nt 要放到 until 前面。(3) 强调句型的一般疑问句是把 is 或 was 提前;其特殊疑问句结构为:特殊疑问词+be+it+that/wh+其余部分。(4) 强调句型的辨别方式为:把 it is/was及that去掉,依然是一个完整的句子;否则,就不是强调句型。
Eg. It is I wh/that am t blame fr the traffic accident.应为这起交通事故负责任的是我。It was nt until he left me that I realized he was very imprtant t me.直到他离开我,我才意识到他对我有多么重要。Where was it that yu met the famus scientist?你是在哪里遇见那位著名的科学家的?
(1) 我与她初次见面是在十年以前。______________________ I met her fr the first time.(2) 是孩子们在花园里吵闹。_______________________ are making s much nise in the garden.
It was ten years ag that
It is the children that/wh
(3) 他什么时候加人那个俱乐部的?____________________ he jined the club?(4) 直到她摘下墨镜我才认出她来。__________________ she tk ff her sunglasses that I recgnized her.
When was it that
It was nt until
2. Hw d yu think the human species will evlve in the future?你认为人类物种将来会如何进化?
本句使用了think构成的双重特殊问句,也叫混合疑问句,即“特殊疑问词+d yu think+宾语从句”,此时的d yu think 是插入语。类似用法的谓语动词还有 hpe,believe,suppse,guess,say,cnsider,imagine,suggest 等。一般说来,插入语不影响句子成分,去掉后句子结构依然完整。
Eg. Where d yu suggest we spend ur hliday?你建议我们去哪里度假?What d yu think he will buy fr yur birthday?你认为他将为你的生日买什么呢?
(1) 作主语的疑问词+d yu think / suppse / believe / imagine / say / suggest+谓语部分。(2) 非主语的疑问词+d yu think / suppse / believe / imagine / say / suggest +主语+谓语部分。(3) 该句型不受d yu think的影响,始终用陈述句语序。
(4) 如果插入语是 d yu suggest 时,句子的谓语要用(shuld+) d。(5) 不能用 yes 或 n 来回答这样的特殊疑问句,应用完整的句子来回答。
Eg. When d yu think the naughty by will finish his hmewrk?你认为这个淘气的小男孩什么时候会完成作业?—Where d yu think they shuld g? 你认为他们该去哪儿?—I think they′d better g t Shanghai. 我认为他们最好去上海。
(1) 你认为哪一个是最佳答案? (d yu think)______________________________________________(2) 你建议派谁去那里工作? (d yu suggest)______________________________________________
Which f the answers d yu think is the best ne?
Wh d yu suggest (shuld) be sent t wrk there?
(3) 你想我们会邀请谁来参加我们的宴会? (d yu suppse)_______________________________________________(4) 你认为我们今天晚上应该什么时间出发? (d yu believe)_______________________________________________
Wh d yu suppse we shall invite t attend ur party?
When d yu believe we shuld start ut this evening?
Charles Darwin was a gelgist and naturalist,1.________ (fascinate) by rcks,plants and animals. Hwever,he nce was cnsidered as 2.______ disgrace t all his family.
In 1831,he left England n the ship,the Beagle. His rm n the ship was crwded 3._________ samples f the plants and animals he 4. ______________ (cllect). Darwin didn′t believe that all species had appeared n Earth at the same time.
had cllected
Hwever,it was the birds 6._________ interested him the mst. He nticed that there 7.__________(be) a difference between the finches n each f the islands,which led him 8._____________(suspect) the finches had evlved frm a cmmn ancestr.
Darwin explained the thery f evlutin in his bk,On the Origin f Species,which wasn′t published until 1859 and 9. (immediate) caused a strm. Tday,the bk is regarded as ne f 10.____________________ (imprtance) wrks ever written.
immediately
the mst imprtant
根据课文内容写一篇60词左右的内容概要。
参考范文 Where we peple cme frm is a prblem that has puzzled us fr thusands f years.(要点1) It was Charles Darwin wh fund the answer t the prblem. He began his jurney by chance.
During the jurney,he was fascinated by varius living things,and fund sme species were s similar t each ther.(要点2) But his idea was refused in the beginning. Later,his studies were s cnvincing that mre and mre peple believed his thery. (要点3)
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