外研版（2019）选择性必修一Unit 5 Revealing nature Starting out & Understanding ideas课件（共9张）
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| 名称 | 外研版（2019）选择性必修一Unit 5 Revealing nature Starting out & Understanding ideas课件（共9张） |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-08-28 13:30:37 | ||
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(共9张PPT)
Unit 5 Revealing Nature
Period 1 Starting out & Understanding ideas
Step 1: Starting out
Activity 1: Look at the page from a science
magazine and answer the questions.
1 What do you know about these animals
What makes them special
2 What other similar animals do you know
about Share your knowledge with
the class.
UNUSUAL ANIMALS TODAY
evolve:v.逐渐形成，进化 spread: 传播，散布，展开preserve: 保存，保护，维持 judge it a fake: 判断它是假的 date back to: 追溯到 indicate:表明，显示 living fossil 活化石
Step 2: Understanding ideas
Activity 1: Look at the pictures and answer the questions.
1. What species do you recognise in the picture
paramecium,earthworm, snail, crab, fish, tortise, bird, horse, human, frog, algae, moss, fern......
2. What factors can cause the process of evolution
variation, heredity, natural selection
Activity 2 Read the passage and talk about your understanding of the title.
Activity 3 Choose the main idea of the passage and give your reasons.
Answer: 2
1.What do we know about Charles Darwin form the first paragraph
A. His father was disappointed about him. B. He wasn't interested in his lessons at college.
C. He knew the captain of the Beagle very well. D. He wanted to travel around the world by ship.
2. What was Charles Darwin interested in
A. Travelling around the world. B. Living things on Earth.
C. Communicating with others. D. Doing research on resources.
3. From the sixth paragraph, what was Chareles Darwin brave to do
A. To travel alone in the mountains. B. To fight against other people.
C. To express his own ideas. D. To inspire others to tell the truth.
4. What did Charles Darwin base his theory on
A. Doing experiments. B. Scientific research. C. Traditional beliefs. D. Famous sayings.
5. What does this text mainly tell us about
A. Why people respect Charles Darwin so much.
B. Why Charles Darwin was interested in living things.
C. How lucky Charles Darwin was in his early years.
D. How Charles Darwin's Theory of Evolution came out.
Activity 3 Number the puzzle pieces in order. Organise information from the passage and complete them.
1.On His Journey
various leaving things in their natural environments and samples of the plants and animals he had collected//very similar to each other
2. Generate Ideas
come to exist// Maybe animals evolved as they adapted to their changing environments
3. Look For More Evidence
that there was a difference between the finches on each of the islands.//had evolved according to what food was available on that particular island.
4. Developing Ideas
had evolved from a common ancestor, which had arrived on the islands a long time before // slowly evolved into many new species.
5. Propose A Theory
had evolved from lower forms of life.
Paraphrase sentences:
1. What’s more, he had recently received a letter from his father predicting that he would be “a disgrace to yourself and all your family”.
Paraphrase: Besides, he had received a letter from his father, in which his father said that he would not only make himself but also the whole family feel ashamed.
predicting 在此处作定语，修饰前面的letter.
a disgrace to ：to have a very bad effect on the opinion that people have of your family or the group that you belong to. 固定搭配：是...的耻辱
2. ...Darwin saw a variety of new species, but it was the birds that interested
him the most.
Paraphrase: Among all different kinds of species he saw, Darwain was most interested in the birds.
a variety of: 各种各样的；various是variety的形容词形式。句中but 后面的句中用了强调句型：It is/was +强调内容+that/who(强调人)...
Paraphrase sentences:
3.It was not published until 1859 and immediately caused a storm.
Paraphrase: Only in 1859 did the book come out and at once it caused a great sensation.
cause a storm 本意为“引起风暴”，这里取其引申义“引起轰动”。
例如：The newspaper is in its decling years. They don't care; they quite like to cause a storm.(这家报纸正在走下坡路，它们豁出去了,一心只想制造轰动。)
4. But Darwin’s scientific studies were so convincing that more and more people started to believe his theory.
Paraphrase: His scientific studies provided strong evidence so that a growing number of people began to accept his theory.
此处convincing 意为“making you believe that something is true or right.”
例如：There is convincing evidence that smoking causes lung cancer.(有令人信服的证据表明吸烟导致肺癌。)
convince sb. of sth. 使某人确信...
He convinced me of his truthfulness to me.
他使我相信他对我是忠心耿耿的.
Important phrases:
1.of all time
2. in question
3.be crowded with
4.come to exist
5.adapt to
6.refuse to do
7.be regarded as
8.begin with
1.一直以来
2.讨论(或议论)中的
3.挤满...
4.形成，存在
5.适应
6.拒绝做某事
7.被认为，被当作
8.以...开始
课文语法填空：
As a young man Charles Darwin was regarded as 1._____disgrace to himself and his family. He didn't complete his 2.________ (medicine) degree at college. However, his adventures on the Beagle led him to one of the most important 3.___________ (discovery).
The joumey on the ship, the Beagle, offered him a good opportunity 4. ________ (sudy) the living things on the islands. He was so fascinated by rocks, plants and animals on the islands 5._____ he got his room crowded with samples. It was believed at that time that all species 6.___________(appear) on Earth at the same time and hadn't changed since. Through his careful observation, he began to think 7._________ ( different). He noticed that the beaks of the finches had some differences between them from one island to another according to what they ate on that particular island. So he thought they must have evolved from a common ancestor, and they had evolved to adapt 8.______ the environment.
Darwin based his new ideas on his observation and generated his theory of 9.________ ( evolve). The book, On the Origin of Species, explained his theory, 10.________ cause) a heated storm of debate. Today, it is still regarded as one of the most important works ever written.
a
medical
differently
to
evolution
causing
that
had appeared
discoveries
to study
Unit 5 Revealing Nature
Period 1 Starting out & Understanding ideas
Step 1: Starting out
Activity 1: Look at the page from a science
magazine and answer the questions.
1 What do you know about these animals
What makes them special
2 What other similar animals do you know
about Share your knowledge with
the class.
UNUSUAL ANIMALS TODAY
evolve:v.逐渐形成，进化 spread: 传播，散布，展开preserve: 保存，保护，维持 judge it a fake: 判断它是假的 date back to: 追溯到 indicate:表明，显示 living fossil 活化石
Step 2: Understanding ideas
Activity 1: Look at the pictures and answer the questions.
1. What species do you recognise in the picture
paramecium,earthworm, snail, crab, fish, tortise, bird, horse, human, frog, algae, moss, fern......
2. What factors can cause the process of evolution
variation, heredity, natural selection
Activity 2 Read the passage and talk about your understanding of the title.
Activity 3 Choose the main idea of the passage and give your reasons.
Answer: 2
1.What do we know about Charles Darwin form the first paragraph
A. His father was disappointed about him. B. He wasn't interested in his lessons at college.
C. He knew the captain of the Beagle very well. D. He wanted to travel around the world by ship.
2. What was Charles Darwin interested in
A. Travelling around the world. B. Living things on Earth.
C. Communicating with others. D. Doing research on resources.
3. From the sixth paragraph, what was Chareles Darwin brave to do
A. To travel alone in the mountains. B. To fight against other people.
C. To express his own ideas. D. To inspire others to tell the truth.
4. What did Charles Darwin base his theory on
A. Doing experiments. B. Scientific research. C. Traditional beliefs. D. Famous sayings.
5. What does this text mainly tell us about
A. Why people respect Charles Darwin so much.
B. Why Charles Darwin was interested in living things.
C. How lucky Charles Darwin was in his early years.
D. How Charles Darwin's Theory of Evolution came out.
Activity 3 Number the puzzle pieces in order. Organise information from the passage and complete them.
1.On His Journey
various leaving things in their natural environments and samples of the plants and animals he had collected//very similar to each other
2. Generate Ideas
come to exist// Maybe animals evolved as they adapted to their changing environments
3. Look For More Evidence
that there was a difference between the finches on each of the islands.//had evolved according to what food was available on that particular island.
4. Developing Ideas
had evolved from a common ancestor, which had arrived on the islands a long time before // slowly evolved into many new species.
5. Propose A Theory
had evolved from lower forms of life.
Paraphrase sentences:
1. What’s more, he had recently received a letter from his father predicting that he would be “a disgrace to yourself and all your family”.
Paraphrase: Besides, he had received a letter from his father, in which his father said that he would not only make himself but also the whole family feel ashamed.
predicting 在此处作定语，修饰前面的letter.
a disgrace to ：to have a very bad effect on the opinion that people have of your family or the group that you belong to. 固定搭配：是...的耻辱
2. ...Darwin saw a variety of new species, but it was the birds that interested
him the most.
Paraphrase: Among all different kinds of species he saw, Darwain was most interested in the birds.
a variety of: 各种各样的；various是variety的形容词形式。句中but 后面的句中用了强调句型：It is/was +强调内容+that/who(强调人)...
Paraphrase sentences:
3.It was not published until 1859 and immediately caused a storm.
Paraphrase: Only in 1859 did the book come out and at once it caused a great sensation.
cause a storm 本意为“引起风暴”，这里取其引申义“引起轰动”。
例如：The newspaper is in its decling years. They don't care; they quite like to cause a storm.(这家报纸正在走下坡路，它们豁出去了,一心只想制造轰动。)
4. But Darwin’s scientific studies were so convincing that more and more people started to believe his theory.
Paraphrase: His scientific studies provided strong evidence so that a growing number of people began to accept his theory.
此处convincing 意为“making you believe that something is true or right.”
例如：There is convincing evidence that smoking causes lung cancer.(有令人信服的证据表明吸烟导致肺癌。)
convince sb. of sth. 使某人确信...
He convinced me of his truthfulness to me.
他使我相信他对我是忠心耿耿的.
Important phrases:
1.of all time
2. in question
3.be crowded with
4.come to exist
5.adapt to
6.refuse to do
7.be regarded as
8.begin with
1.一直以来
2.讨论(或议论)中的
3.挤满...
4.形成，存在
5.适应
6.拒绝做某事
7.被认为，被当作
8.以...开始
课文语法填空：
As a young man Charles Darwin was regarded as 1._____disgrace to himself and his family. He didn't complete his 2.________ (medicine) degree at college. However, his adventures on the Beagle led him to one of the most important 3.___________ (discovery).
The joumey on the ship, the Beagle, offered him a good opportunity 4. ________ (sudy) the living things on the islands. He was so fascinated by rocks, plants and animals on the islands 5._____ he got his room crowded with samples. It was believed at that time that all species 6.___________(appear) on Earth at the same time and hadn't changed since. Through his careful observation, he began to think 7._________ ( different). He noticed that the beaks of the finches had some differences between them from one island to another according to what they ate on that particular island. So he thought they must have evolved from a common ancestor, and they had evolved to adapt 8.______ the environment.
Darwin based his new ideas on his observation and generated his theory of 9.________ ( evolve). The book, On the Origin of Species, explained his theory, 10.________ cause) a heated storm of debate. Today, it is still regarded as one of the most important works ever written.
a
medical
differently
to
evolution
causing
that
had appeared
discoveries
to study