外研版（2019） 必修第一册 Unit 5 Into the Wild Understanding Ideas课件（共27张，内嵌视频）
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| 名称 | 外研版（2019） 必修第一册 Unit 5 Into the Wild Understanding Ideas课件（共27张，内嵌视频） |  | |
| 格式 | pptx | ||
| 文件大小 | 99.7MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2025-02-25 17:08:50 | ||
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(共27张PPT)
Unit 5 Into the wild
The Monarch’s Journey
Understanding ideas
Why did the monarch migrate from North America to Mexico
Mexico
California
Pre-reading
Why did the monarch migrate from North America to Mexico
Mexico
California
To find food
To seek a partner
In search of warmer weather
While-reading: Where are you most likely to find this passage
A. In a scientific research paper(科学研究论文） about the monarch butterfly’s migration.
B. In a popular nature magazine introducing the monarch butterfly.
C. In a travel leaflet （旅游手册）encouraging people to visit North America.
Para.1
①What is migration
Migration is an ______ movement in which many
animals move from __________________.
②Which one is NOT the reason why animals migrate
A. to find something to eat B. to look for a company
C. to search for warmer place D. to go travelling
food
partner
weather
annual
one place to another
The definition(定义) & reasons of migration
Read for the content
Tip:
阅读中常见选项的同义改写
Para.2
When and where do they migrate
Routine
（惯例）
Time: ___________________
Place: Travel around 4000 km (_______) to California or Mexico
Every autumn/fall
south
Migration of the monarch
Para.3 Complete the cause-effect(因果) flow charts P69
the time of day
the way to go
the position of sun
the places where it will spend the winter.
a/c
c/a
b
cause
effect
The mystery of the monarch's migration
Para. 4
cut down
natural environment of many places
kill the plants
has crashed
e/g
g/e
f
cause
effect
Trouble of the monarch & the reasons
Para.5 What measures do people take to help protect the monarch butterfly
Raise a greater awareness
of this creature
B. Work together to record its
migration
C. Make sure that there are
enough plants to feed on
D. All of the above
Think and Share:
What can people do to help protect the monarch butterfly
What can people do to help protect the monarch butterfly
Raise people’s awareness of this creature
Make sure there are enough plants to feed on
Protect the natural environment and its ecosystem
Do not use chemicals that kill the plants as much as possible
......
1. The more we know about this lovely creature, the greater the chance it will survive and keep its place in the natural world for a long time to come.
the +比较级 ……, the +比较级
越…….越……(前者是条件，后者是结果)
eg The more I know him, the more I like him.
学生们学习越努力，进步就越大。
________ __ the students study, ________ ________ ____ they will make.
The harder
the greater progress
2. A team of scientists led by Professor Eli Shlizerman at the University of Washington has now found the answer.
led by Professor Eli Shlizerman
作后置定语
A team of scientists _______is led by Professor Eli Shlizerman at the University of Washington has now found the answer.
The monarch butterflies are insects.
1.What can these insects do
2. What is the color of these insects
These insects can migrate.
These insects’ color is black and orange.
The monarch butterflies are insects
that/which can migrate.
The monarch butterflies are insects whose color is black and orange.
Attributive clauses
定语从句
Be more concise（简洁的）.
Add more information to the antecedent（先行词）.
Answer the following questions about the monarch butterflies.
Activity 1 Review and activate
3.Why do they migrate
4. When do they begin to migrate
5.Where do they go to spend winter
They migrate to find food, seek a partner, or in search of warmer weather.
They begin to migrate in autumn.
They go to California or Mexico.
The reason why they migrate is to...
Autumn is the time when they begin to migrate.
California or Mexico is the place where they go to spend winter.
Activity 1 Review and activate
Attributive clauses 1.The monarch butterflies are insects that/which can migrate. 3.The reason why they migrate is to find food, seek a partner…
2.The monarch butterflies are insects whose wings are black and orange. 4. Autumn is the time when they begin to migrate.
5.California or Mexico is the place where they go.
Relative pronouns
关系代词
Relative adverbs
关系副词
先行词+关系词+从句
Activity 2 Observe and summarize
定语从句的基本结构：
Observe and find out the similarity
1.It manages to reach the places where it will spend the winter.
2. Human activity is the main reason why the number of monarch butterflies is falling.
3. If this works, there may come a time when the number of monarch butterflies increases once again.
What do “where”, “why” and “when” refer to in each sentence
What is the function of “where”, “why” and “when” in each clause
To tell the location.
To tell the reason(s).
To tell the time.
Activity 2 Observe and summarize
The best time to see birds is spring when they are busy for food.
The best time to see birds is spring which/that is quite warm.
Sea turtles travel a long way to the beach where they lay eggs.
Sea turtles travel a long way to the beach that/which has clean sand.
Human pollution is the main reason why the number of wild animals is decreasing.
Human pollution is the main reason that/which he uses to explain for the impact.
关系词的选择要根据定语从句所缺成分而定。
Activity 2 Observe and summarize
关系副词 先行词 在定语从句中充当的成分
where 一般是表示______的名词
when 一般是表示______的名词
why 一般是表示______的名词
注意： Summarize and complete the table.
地点
地点状语
时间
时间状语
原因
原因状语
关系词的选择要根据定语从句所缺成分而定。
Activity 2 Observe and summarize
Read the passage and underline the words that where, when, and why refer to.
From: David Waters To: Kay Silverman
Subject: Back to nature
Hi Kay,
We’re having an amazing time here in South Africa. Our accommodation is perfect. It is in a location _______ we can watch animals wandering past on their way to the waterhole.
where
Complete the email with where, when or why.
Sunset is the time of day _______ we sit on the balcony and count how many giraffes or antelopes we can see.
I guess this is the reason _______ this place is so popular. Next week, we are going to fly up to Zambia. That’s one of the countries _______ you can visit the famous Victoria Falls.
See you soon.
David
when
why
where
Protecting wildlife is protecting humans themselves!
THANKS FOR WATCHING
Unit 5 Into the wild
The Monarch’s Journey
Understanding ideas
Why did the monarch migrate from North America to Mexico
Mexico
California
Pre-reading
Why did the monarch migrate from North America to Mexico
Mexico
California
To find food
To seek a partner
In search of warmer weather
While-reading: Where are you most likely to find this passage
A. In a scientific research paper(科学研究论文） about the monarch butterfly’s migration.
B. In a popular nature magazine introducing the monarch butterfly.
C. In a travel leaflet （旅游手册）encouraging people to visit North America.
Para.1
①What is migration
Migration is an ______ movement in which many
animals move from __________________.
②Which one is NOT the reason why animals migrate
A. to find something to eat B. to look for a company
C. to search for warmer place D. to go travelling
food
partner
weather
annual
one place to another
The definition(定义) & reasons of migration
Read for the content
Tip:
阅读中常见选项的同义改写
Para.2
When and where do they migrate
Routine
（惯例）
Time: ___________________
Place: Travel around 4000 km (_______) to California or Mexico
Every autumn/fall
south
Migration of the monarch
Para.3 Complete the cause-effect(因果) flow charts P69
the time of day
the way to go
the position of sun
the places where it will spend the winter.
a/c
c/a
b
cause
effect
The mystery of the monarch's migration
Para. 4
cut down
natural environment of many places
kill the plants
has crashed
e/g
g/e
f
cause
effect
Trouble of the monarch & the reasons
Para.5 What measures do people take to help protect the monarch butterfly
Raise a greater awareness
of this creature
B. Work together to record its
migration
C. Make sure that there are
enough plants to feed on
D. All of the above
Think and Share:
What can people do to help protect the monarch butterfly
What can people do to help protect the monarch butterfly
Raise people’s awareness of this creature
Make sure there are enough plants to feed on
Protect the natural environment and its ecosystem
Do not use chemicals that kill the plants as much as possible
......
1. The more we know about this lovely creature, the greater the chance it will survive and keep its place in the natural world for a long time to come.
the +比较级 ……, the +比较级
越…….越……(前者是条件，后者是结果)
eg The more I know him, the more I like him.
学生们学习越努力，进步就越大。
________ __ the students study, ________ ________ ____ they will make.
The harder
the greater progress
2. A team of scientists led by Professor Eli Shlizerman at the University of Washington has now found the answer.
led by Professor Eli Shlizerman
作后置定语
A team of scientists _______is led by Professor Eli Shlizerman at the University of Washington has now found the answer.
The monarch butterflies are insects.
1.What can these insects do
2. What is the color of these insects
These insects can migrate.
These insects’ color is black and orange.
The monarch butterflies are insects
that/which can migrate.
The monarch butterflies are insects whose color is black and orange.
Attributive clauses
定语从句
Be more concise（简洁的）.
Add more information to the antecedent（先行词）.
Answer the following questions about the monarch butterflies.
Activity 1 Review and activate
3.Why do they migrate
4. When do they begin to migrate
5.Where do they go to spend winter
They migrate to find food, seek a partner, or in search of warmer weather.
They begin to migrate in autumn.
They go to California or Mexico.
The reason why they migrate is to...
Autumn is the time when they begin to migrate.
California or Mexico is the place where they go to spend winter.
Activity 1 Review and activate
Attributive clauses 1.The monarch butterflies are insects that/which can migrate. 3.The reason why they migrate is to find food, seek a partner…
2.The monarch butterflies are insects whose wings are black and orange. 4. Autumn is the time when they begin to migrate.
5.California or Mexico is the place where they go.
Relative pronouns
关系代词
Relative adverbs
关系副词
先行词+关系词+从句
Activity 2 Observe and summarize
定语从句的基本结构：
Observe and find out the similarity
1.It manages to reach the places where it will spend the winter.
2. Human activity is the main reason why the number of monarch butterflies is falling.
3. If this works, there may come a time when the number of monarch butterflies increases once again.
What do “where”, “why” and “when” refer to in each sentence
What is the function of “where”, “why” and “when” in each clause
To tell the location.
To tell the reason(s).
To tell the time.
Activity 2 Observe and summarize
The best time to see birds is spring when they are busy for food.
The best time to see birds is spring which/that is quite warm.
Sea turtles travel a long way to the beach where they lay eggs.
Sea turtles travel a long way to the beach that/which has clean sand.
Human pollution is the main reason why the number of wild animals is decreasing.
Human pollution is the main reason that/which he uses to explain for the impact.
关系词的选择要根据定语从句所缺成分而定。
Activity 2 Observe and summarize
关系副词 先行词 在定语从句中充当的成分
where 一般是表示______的名词
when 一般是表示______的名词
why 一般是表示______的名词
注意： Summarize and complete the table.
地点
地点状语
时间
时间状语
原因
原因状语
关系词的选择要根据定语从句所缺成分而定。
Activity 2 Observe and summarize
Read the passage and underline the words that where, when, and why refer to.
From: David Waters To: Kay Silverman
Subject: Back to nature
Hi Kay,
We’re having an amazing time here in South Africa. Our accommodation is perfect. It is in a location _______ we can watch animals wandering past on their way to the waterhole.
where
Complete the email with where, when or why.
Sunset is the time of day _______ we sit on the balcony and count how many giraffes or antelopes we can see.
I guess this is the reason _______ this place is so popular. Next week, we are going to fly up to Zambia. That’s one of the countries _______ you can visit the famous Victoria Falls.
See you soon.
David
when
why
where
Protecting wildlife is protecting humans themselves!
THANKS FOR WATCHING