英语选择性必修 第一册Unit 5 Revealing nature示范课ppt课件

这是一份英语选择性必修 第一册Unit 5 Revealing nature示范课ppt课件，共23页。PPT课件主要包含了发现之旅，Summary ，Homework等内容，欢迎下载使用。

A Jurney f Discvery
1. Students can clarify the structure f the passage and understand the general idea f the passage.2. Students can make a brief retelling f Darwin's jurney f discvery based n time clues and details.3. Students’ reading skills will imprved.
Learning bjectives:
Charse Darwin
What d yu knw abut him?
Charles Darwin was an English gelgist and naturalist. He prpsed the thery f evlutin in his bk On the Origin f Species.
1. ____ all time 有史以来2. be regarded ____ 被认为是3. be ___ disgrace 是耻辱, 是丢脸的事4. ________ the call 响应号召5. a _________ f 各种各样的6. ____ questin 正被讨论的,谈论中的; 有疑问的,被怀疑的7. be crwded ______ 挤满……; 充满……8. cme t _______ 存在9. adapt ____ 适应, 适合10. be similar ____ 与……相似
Sme useful expressins
1. Was Darwin the first chice f the captain f Beagle?
He was nt the captain’s first chice.
2. Where did Darwin explain his new idea- a thery f evlutin?
Darwin explained this thery in his bk, On the Origin f Species.
Read the passagequickly and find the answer.
Fast-reading
Careful-reading
Read the passage mre carefully and chse the best answer.
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 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.
3. Hw did the peple then react t Darwin's discvery first?A. Respected.B. Refused.C. Accepted.D. Believed.
1. What is the type f the text? A. argumentatin (议论文). B. narratin (记叙文). C. expsitin (说明文).
The text is rganized in rder f________.
The structure
Pst-reading
Befre the jurney
During the jurney
After the jurney
Decide whether the fllwing statements are True(T) r False(F)
1. As a child, Darwin wanted t be a dctr.2. Darwin traveled t cllect and study animal specimens(标本).3. Darwin fund ut the animals were permanent and perfect all the time.4. Animals will pass n the features(特点) t help them survive.5. On the Origin f Species is ne f the mst influential scientific wrk.6. Darwin’s thery was welcmed by peple f his time.
study nature
evlved with time
Develp Ideas
Prpse a thery
Lk fr mre evidence
Generate Ideas
On his jurney
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
A Jurney f discvery
Tday, it is regarded as ne f the mst imprtant wrks ever written.
It has changed ideas abut life n Earth frever.
T answer the call f the captain f the ship, the Beagle, Darwin began his jurney f discvery. (要点1) He nticed that sme species f animals were very similar, and guessed that maybe animals evlved as they adapted t their changing envirnments. (要点2)Althugh his cmpletely new thery caused a strm, his scientific studies were s cnvincing that mre and mre peple began t believe the thery. (要点3) His thery has changed ideas abut life n Earth frever. (要点4)
What kind f persn was Darwin accrding t the passage?
Think and Share
Darwin was a brave, cnfident and determined man. He had strng curisity and interest in science and was gd at thinking and making discveries.
1. Retell the stry f Darwin’s jurney f discvery in yur wn wrds.2. D a research： Hw will the human species evlve in the future?
If we culd travel back t Darwin’s time, what wuld Darwin say t us? Make a cnversatin.
1.the lve f nature
2.difficulty and slutin
4.the spirit f scientific explratin
3.the secret f success
Useful expressin:1.I’m fascinated by …., s I …2.It is ….. that inspires me t…3.When I face…,what I want t d is…
e.g. R:Why d yu lve nature? D:Because I think there are many things unknwn t us in nature, which aruse my curisity and attract me t explre.