外研版（2019）选择性必修 第一册Unit 5 Revealing nature Starting out & Understanding ideas课件（共27张）
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| 名称 | 外研版（2019）选择性必修 第一册Unit 5 Revealing nature Starting out & Understanding ideas课件（共27张） |  | |
| 格式 | pptx | ||
| 文件大小 | 2.3MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-11-16 15:45:08 | ||
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(共27张PPT)
Period 1
Starting out & Understanding ideas
Unit5 Revealing nature
Learning aims
1. To learn about some unusual animals.
2. To find out the details of Darwin’s journey of discovery.
3. To learn useful language points.
Have you ever seen these mysterious animals
Leading-in
Where do humans come from
evolution
An evolutionary tree
The species don't always stay the same. Instead, they evolve from _____level to______level
lower
higher
Discussion
A Journey of Discovery
Reading Comprehension
Look and predict:
Before -reading
Read the passage and talk about your understanding of the title.
Most commonly, people believe that a journey means a trip from one place to another, especially over a long distance and literarily a journey refers to the process by which something gradually changes and develops. The title may indicate that Darwin’s research work leading to his discovery of evolution and the origin of species took quite a long time and great efforts, determination and courage to achieve.
The structure
1
2--5
The text is organized in order of____ .
Para___
Para___
Para 6-7
time
Before
the journey
During
the journey
England
In 1831
In 1835
While -reading
Task 1: Fast reading
After
the journey
Task 2: Careful reading
1. Scan the text and choose the best choice.
(1) Why was Charles Darwin a disgrace to himself and all his family
A.Because he learned medicine in the school.
B.Because he decided to visit distant countries.
C.Because he went for adventures after school.
D.Because he left medical school with no degree.
(2)What’s Darwin’s favourite subject
A.Long distance journey. B.Living things.
C.Medical degree. D.Natural environment.
√
√
(3) What did Darwin discover first
A.All species appeared at the same time.
B.All species had never changed.
C.Some species were very similar.
D.The evidence for changing environments.
(4) Many factors affect the evolution except _________.
A.tools B.ancestor
C.environment D.food
√
√
Charles Darwin was a geologist and naturalist,1._________(fascinate) by rocks,plants and animals.However,he once was considered as 2. disgrace to all his family.In 1831,he left England on the ship,the Beagle.His room on the ship was crowded 3._______ samples of the plants and animals he 4. (collect).Darwin didn’t believe that all species had appeared on Earth at the same time.
When the ship reached the Galapagos Islands,Darwin saw a 5. (various) of new species.However,it was the birds6.____ interested him the most.He noticed that there 7. (be) a difference between the finches on each of the islands,which led him 8._____ (suspect) the finches had evolved from a common ancestor.
fascinated
a
with
had collected
variety
that
was
to suspect
Darwin explained the theory of evolution in his book, On the Origin of Species,which wasn’t published until 1859 and 9. (immediate) caused a storm.Today,the book is regarded as one of 10. (important) works ever written.
2. Read the passage again and fill in the blanks.
immediately
the most important
What other good qualities can we learn from Darwin Give your reason.
Useful expression:
1.The reason why I think Darwin is a…man is that…
2.I think Darwin is a ... man, because…
The reason why I think Darwin is serious and cautious is that he did a lot of research and found more evidence to make his idea convincing.
After-reading
Pairwork
1. evolve v.进化；发展
(2022 新高考Ⅰ卷)This research overturns the popular view that all human speech sounds were present when human beings evolved around 300,000 years ago.
这项研究推翻了一个流行的观点，即当人类在大约30万年前进化时，所有人类语音都存在。
evolve from...从……进化；从……逐渐形(发展)成
evolution n．进化(论)；演变
【知识拓展】
【即学即练】单句语法填空
(1)The three species evolved ________ a single ancestor.
(2)He is interested in the __________(evolve) of the computer over the past 30 years.
from
evolution
2.suspect v.猜想，怀疑，觉得 n.嫌疑犯
He pulls out a special device, points it at the suspect, and switches it on.
他拿出一个特殊的装置，指向嫌疑犯，然后打开它。
【知识拓展】
suspect sb.of doing sth.怀疑某人做某事
suspect sb.to be/as...怀疑/认为猜想某人……
suspect that...认为…
【即学即练】单句语法填空
(1)The man was suspected ____stealing the car，so he was laid off.
(2)Honestly speaking，we all suspected the young man ________ a pickpocket.
改写句子
(3)The man who was suspected of shooting six children was caught by the police.(用非谓语动词改写)
The man _____________________________ was caught by the police.
of
as
suspected of shooting six children
3. convincing adj.有说服力的;令人信服的
Scientists say there is no convincing evidence that power lines have anything to do with cancer.
科学家们说，并没有确凿的证据表明输电线和癌症之间有什么联系。
【知识拓展】
convince vt.使确信,使信服;说服
convinced adj.确信的;坚信的
convince sb of sth使某人相信某事
convince sb to do sth说服某人做某事
be convinced of确信;坚信
be convinced that...坚信
(1)Many people were influenced by her __________(convince) arguments.
(2) __________(convince) of the accuracy of the data, they stuck to their opinion.
(3)Robert’s expression had obviously convinced her ______ his innocence.
【即学即练】
convincing
Convinced
of
1. date back to表示“起源于，追溯到”，相当于date from;常用一般现在时。
Music Television is a remarkable culture phenomenon which can date back to last century. 音乐电视是上个世纪末出现的一个显著的文化现象。
date back to和date from一般不用于进行时态，作后置定语时,常用动词
-ing形式。
【知识拓展】
【即学即练】完成句子
(1)All the objects are from the same excavation site in Sanxingdui and ____________ between 3,000 and 5,000 years ago.
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。
(2)This building which has a long history can ____________/_________the Ming Dynasty.
这座有着悠久历史的建筑可以追溯到明朝。
dates back to
date back to
date from
2. be regarded as...被看作是……
Ecotourism is commonly regarded as low impact travel to undisturbed places.
生态旅游通常被认为是到不受干扰的地方进行低影响的旅行。
【知识拓展】
regard...as...把……看作……
“把……看作……”的其他表达形式：
consider...as...
look on...as...
think of...as...
treat...as...
【即学即练】完成句子
(1)The kind man_______________ a hero in this community.
这个善良的人在这个社区被看作是英雄。
(2)The old couple ___________________________________ their own son.
这对老夫妇把这个可怜的男孩看作是自己的儿子。
改写句子
(3)I’d like to have a talk with the man who is regarded as an expert.
(用非谓语动词改写)
I’d like to have a talk with the man ____________________.
is regarded as
treated/regarded the poor boy as
regarded as an expert
1.distant: in the distance; from a distance
2.evolve : evolve from
3.exist: exist on; come into existence; in existence
1.distant→distance
2.generate→generation
3.evolve→evolution
seed,
sample, ancestor, generate, disgrace,
geologist
Summary
词 汇 清 单
认知词汇
拓展词汇
应用词汇
核心短语
date back to;
adapt to;
over time;
in question
重点句式
....but it was the birds that interested him the most.(It be +强调部分+that)
Exercise
William
Doubt is the origin of wisdom.
———Rene Descartes
怀疑是智慧的源泉。
——勒内·笛卡尔
Period 1
Starting out & Understanding ideas
Unit5 Revealing nature
Learning aims
1. To learn about some unusual animals.
2. To find out the details of Darwin’s journey of discovery.
3. To learn useful language points.
Have you ever seen these mysterious animals
Leading-in
Where do humans come from
evolution
An evolutionary tree
The species don't always stay the same. Instead, they evolve from _____level to______level
lower
higher
Discussion
A Journey of Discovery
Reading Comprehension
Look and predict:
Before -reading
Read the passage and talk about your understanding of the title.
Most commonly, people believe that a journey means a trip from one place to another, especially over a long distance and literarily a journey refers to the process by which something gradually changes and develops. The title may indicate that Darwin’s research work leading to his discovery of evolution and the origin of species took quite a long time and great efforts, determination and courage to achieve.
The structure
1
2--5
The text is organized in order of____ .
Para___
Para___
Para 6-7
time
Before
the journey
During
the journey
England
In 1831
In 1835
While -reading
Task 1: Fast reading
After
the journey
Task 2: Careful reading
1. Scan the text and choose the best choice.
(1) Why was Charles Darwin a disgrace to himself and all his family
A.Because he learned medicine in the school.
B.Because he decided to visit distant countries.
C.Because he went for adventures after school.
D.Because he left medical school with no degree.
(2)What’s Darwin’s favourite subject
A.Long distance journey. B.Living things.
C.Medical degree. D.Natural environment.
√
√
(3) What did Darwin discover first
A.All species appeared at the same time.
B.All species had never changed.
C.Some species were very similar.
D.The evidence for changing environments.
(4) Many factors affect the evolution except _________.
A.tools B.ancestor
C.environment D.food
√
√
Charles Darwin was a geologist and naturalist,1._________(fascinate) by rocks,plants and animals.However,he once was considered as 2. disgrace to all his family.In 1831,he left England on the ship,the Beagle.His room on the ship was crowded 3._______ samples of the plants and animals he 4. (collect).Darwin didn’t believe that all species had appeared on Earth at the same time.
When the ship reached the Galapagos Islands,Darwin saw a 5. (various) of new species.However,it was the birds6.____ interested him the most.He noticed that there 7. (be) a difference between the finches on each of the islands,which led him 8._____ (suspect) the finches had evolved from a common ancestor.
fascinated
a
with
had collected
variety
that
was
to suspect
Darwin explained the theory of evolution in his book, On the Origin of Species,which wasn’t published until 1859 and 9. (immediate) caused a storm.Today,the book is regarded as one of 10. (important) works ever written.
2. Read the passage again and fill in the blanks.
immediately
the most important
What other good qualities can we learn from Darwin Give your reason.
Useful expression:
1.The reason why I think Darwin is a…man is that…
2.I think Darwin is a ... man, because…
The reason why I think Darwin is serious and cautious is that he did a lot of research and found more evidence to make his idea convincing.
After-reading
Pairwork
1. evolve v.进化；发展
(2022 新高考Ⅰ卷)This research overturns the popular view that all human speech sounds were present when human beings evolved around 300,000 years ago.
这项研究推翻了一个流行的观点，即当人类在大约30万年前进化时，所有人类语音都存在。
evolve from...从……进化；从……逐渐形(发展)成
evolution n．进化(论)；演变
【知识拓展】
【即学即练】单句语法填空
(1)The three species evolved ________ a single ancestor.
(2)He is interested in the __________(evolve) of the computer over the past 30 years.
from
evolution
2.suspect v.猜想，怀疑，觉得 n.嫌疑犯
He pulls out a special device, points it at the suspect, and switches it on.
他拿出一个特殊的装置，指向嫌疑犯，然后打开它。
【知识拓展】
suspect sb.of doing sth.怀疑某人做某事
suspect sb.to be/as...怀疑/认为猜想某人……
suspect that...认为…
【即学即练】单句语法填空
(1)The man was suspected ____stealing the car，so he was laid off.
(2)Honestly speaking，we all suspected the young man ________ a pickpocket.
改写句子
(3)The man who was suspected of shooting six children was caught by the police.(用非谓语动词改写)
The man _____________________________ was caught by the police.
of
as
suspected of shooting six children
3. convincing adj.有说服力的;令人信服的
Scientists say there is no convincing evidence that power lines have anything to do with cancer.
科学家们说，并没有确凿的证据表明输电线和癌症之间有什么联系。
【知识拓展】
convince vt.使确信,使信服;说服
convinced adj.确信的;坚信的
convince sb of sth使某人相信某事
convince sb to do sth说服某人做某事
be convinced of确信;坚信
be convinced that...坚信
(1)Many people were influenced by her __________(convince) arguments.
(2) __________(convince) of the accuracy of the data, they stuck to their opinion.
(3)Robert’s expression had obviously convinced her ______ his innocence.
【即学即练】
convincing
Convinced
of
1. date back to表示“起源于，追溯到”，相当于date from;常用一般现在时。
Music Television is a remarkable culture phenomenon which can date back to last century. 音乐电视是上个世纪末出现的一个显著的文化现象。
date back to和date from一般不用于进行时态，作后置定语时,常用动词
-ing形式。
【知识拓展】
【即学即练】完成句子
(1)All the objects are from the same excavation site in Sanxingdui and ____________ between 3,000 and 5,000 years ago.
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。
(2)This building which has a long history can ____________/_________the Ming Dynasty.
这座有着悠久历史的建筑可以追溯到明朝。
dates back to
date back to
date from
2. be regarded as...被看作是……
Ecotourism is commonly regarded as low impact travel to undisturbed places.
生态旅游通常被认为是到不受干扰的地方进行低影响的旅行。
【知识拓展】
regard...as...把……看作……
“把……看作……”的其他表达形式：
consider...as...
look on...as...
think of...as...
treat...as...
【即学即练】完成句子
(1)The kind man_______________ a hero in this community.
这个善良的人在这个社区被看作是英雄。
(2)The old couple ___________________________________ their own son.
这对老夫妇把这个可怜的男孩看作是自己的儿子。
改写句子
(3)I’d like to have a talk with the man who is regarded as an expert.
(用非谓语动词改写)
I’d like to have a talk with the man ____________________.
is regarded as
treated/regarded the poor boy as
regarded as an expert
1.distant: in the distance; from a distance
2.evolve : evolve from
3.exist: exist on; come into existence; in existence
1.distant→distance
2.generate→generation
3.evolve→evolution
seed,
sample, ancestor, generate, disgrace,
geologist
Summary
词 汇 清 单
认知词汇
拓展词汇
应用词汇
核心短语
date back to;
adapt to;
over time;
in question
重点句式
....but it was the birds that interested him the most.(It be +强调部分+that)
Exercise
William
Doubt is the origin of wisdom.
———Rene Descartes
怀疑是智慧的源泉。
——勒内·笛卡尔