（2020新版）外研版高中英语选择性必修一Unit 5 A Journey of Discovery reading 教学课件.ppt

1、学完本节课，学生能够： 1. 熟悉话题语境，获取课文主旨大意； 2. 感知叙述类科学游记的文本结构和语言特点， 按照时间和事件发展顺序梳理Darwin发现之旅； 3. 学习掌握并运用相关词句简述Darwin的发现之旅； 4. 理解科学基于实践，体会科学探索的艰辛， 学习科学家的科学和创新精神。 A Journey of Discovery ape - ancestor 祖先祖先 lower forms of life higher forms of life evolve-evolution An evolutionary tree The Theory of Evolution On the

2、 Origin of Species 物种起源物种起源 italic type 斜体斜体 1. What is the book about ? 2. What is the remark on the book? Why? Para_ 6-7 1. the content : 2. peoples reactions : The theory The book on the Origin of Species, about the theory of evolution, is regarded as one of the most important works ever written.

3、 evolve from shocked - refuse to believe believe convincing began with a journey on the Beagle The book The Beagle The Galapagos Islands Predict A. Darwins interest in various living things made him a great naturalist. B. Darwins journey on the Beagle inspired his Theory of Evolution. C. Darwin went

4、 on a journey to confirm his theory that humans had evolved over time. Main Main ideaidea 1 1 2-5 The text is organized in order The text is organized in order of_ .of_ . ParaPara_ _ _ _ Para_Para_ _ _ Para Para 6 6- -7 7 timetime BeforeBefore the the journeyjourney DuringDuring the the journeyjourn

5、ey EnglandEngland In In 18311831 In 1835In 1835 Despite all this, his adventures on the ship would lead to one of the most important scientific discoveries of all time. ( paraphrase ) Darwin Darwin was not his first choice.was not his first choice. 2. He would 2. He would bebe“a disgrace a disgrace

6、to to yourself and all your yourself and all your family”.family”. 1. He left medical school 1. He left medical school without completing his without completing his degreedegree. . Although people Although people doubteddoubted Darwin, he began his most important Darwin, he began his most important

7、scientific discovery scientific discovery journey on journey on the the BeagleBeagle. . in in questionquestion The captains remark on The captains remark on Darwin:Darwin: The The reasonsreasons make sb. make sb. ashamed/embarrassmentashamed/embarrassment 1.1.Darwin Darwin studiedstudied 2. He 2. He

8、 noticed noticed Darwin Darwin askedasked two questions:two questions: 1. 1. 2.2. 1.1.Darwin Darwin suspectedsuspected 2.2.It hadIt had On the Galapagos On the Galapagos IslandIsland 1.1.He He noticednoticed 2. It 2. It seemedseemed _ _ ideas ideas _ _ ideas ideas look for more look for more _ on hi

9、s on his journey journey The Theory of The Theory of Evolution Evolution Darwin did much research before publishing his book. generategenerate developdevelop evidenceevidence proposepropose a a theorytheory 2. Maybe2. Maybeevolveevolved .d .adapted to adapted to changing environmentchanging environm

10、ent. . 1. How .1. How .come to existcome to exist? ? 18311831 EnglandEngland study_study_ South South AmericaAmerica 18351835 the the GalapagoGalapago s s IslandsIslands collect_ and ask _collect_ and ask _ notice_notice_ suspect_suspect_ answer_answer_ A theory of A theory of evolutionevolution Dar

11、win began his journey from _in _. He The Theory of Evolution propose a theory develop ideas generate ideas look for evidence on the journey 1.What kind of person was Darwin according to the passage? 2. What have you learned from Darwins journey of discovery Darwins research work led to his discovery

12、 of evolution. The book took quite a long time and great efforts, courage and determination to achieve. Scientific discoveries are based on the research and the evidence. Group WorkGroup Work hard work perseverance What other people think of you doesnt have to influence what you become. - Stephen Cu

13、rry How can this spirit help you in your life and studies? I can succeed in science, the most thing is the love of science and insisting on long- term exploration. -Charles Robert Darwin 1. Write a short passage to tell the story of Darwins journey of discovery using your own words (about 100 words)

14、 2. Do further research on why Darwin did not publish his Theory of Evolution until 1859-about twenty years after his discovery. HomeworkHomework No practice, no gain in ones wit. 1. He 1. He studied: studied: various various living things living things in their natural in their natural environments

15、 andenvironments and samplessamples of animals and of animals and plants he had collectedplants he had collected 2. He 2. He noticednoticed that some species of animals that some species of animals were similar were similar to to each other.each other. on his on his journey journey Darwin Darwin ask

16、edasked 2 questions:2 questions: 1. 1. How did different species How did different species come to come to existexist? ? 2.2. Maybe Animals evolved as they Maybe Animals evolved as they adapted to adapted to their their changing environmentchanging environment. . come into come into being/ form bein

17、g/ form /appear/appear On the Galapagos IslandOn the Galapagos Island 1. He 1. He noticenoticed d there was a difference between there was a difference between the the finches on each of the islands. finches on each of the islands. 2. It 2. It seemed seemed the beaks had evolved the beaks had evolve

18、d according to according to what food what food was was available available on that particular on that particular island.island. beak beak 鸟喙鸟喙 1. Darwin 1. Darwin suspectsuspected ed that the finches that the finches had had evolved from evolved from a a common ancestor. common ancestor. 2. It had 2. It had slowly slowly evolved into evolved into many new many new species.species.