外研版（2019）必修 第一册Unit 5 Into the wild Understanding ideas—Reading comprehension课件（29张）
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| 名称 | 外研版（2019）必修 第一册Unit 5 Into the wild Understanding ideas—Reading comprehension课件（29张） |  | |
| 格式 | pptx | ||
| 文件大小 | 102.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-10-09 21:33:59 | ||
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(共29张PPT)
Understanding ideas—Reading comprehension
Into the wild
Unit 5
By the end of this class, students will be able to:
1. know the style of the scientific exposition(说明文) and think critically about the phenomenon;
2. identify the cause and effect;
3. have a better understanding of relationships between humans and animals and respect nature.
CONTENTS
Pre-reading
I
While-reading
II
Post-reading
III
Sentences analysis
IV
Choose the animals that migrate.
monarch butterfly
A
Siberian crane
西伯利亚白鹤
B
killer whale
虎鲸
C
Atlantic salmon
大西洋鲑鱼
D
African lion
E
red panda
红熊猫，小熊猫
F
Pre-reading
√
√
√
√
Complete the following background information.
Animal migration refers to the _________ of a species from one habitat to another in response to seasonal changes to the environment. Often covering great distances and involving huge ________ of animals, it can be fascinating to observe. Migration happens in all parts of the animal kingdom, from fish and insects to birds, reptiles(爬行类动物) and mammals(哺乳动物).
movement
numbers
Let’s watch the video.
While-reading
1. Skim the text and match the main idea with each paragraph.
B. Ways that the monarch migrates.
A. Reasons for the monarch’s trouble.
D. Definition of animal migration.
C. Measures to protect the monarch.
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
E. Details about the monarch’s migration.
Activity 1 Fast- reading for main ideas
2．Where are you most likely to find this passage
A．In a scientific research paper about the monarch butterfly’s migration.
B．In a popular nature magazine introducing the monarch butterfly.
C．In a travel leaflet encouraging people to visit North America.
D．In a novel which describes one’s love for the monarch butterfly.
通俗自然杂志
√
3．What’s the type of the passage
A．Narration. B．Argumentation.
C．Exposition. D．A news report.
√
Learning tip of exposition: cause—effect analysis
说明文学习小提示：因—果分析
What are the causes and effects of this event
What might happen next
cause–effect flow chart
cause
cause
effect
What will happen next
1.What is migration
Animals’ ______ movement from one place to another at _______ times of the year is called migration.
2.Why do animals migrate
They migrate to find food, seek a partner/mate(配偶), or in search of warmer weather.
Para. 1
annual
certain
Activity 2 Careful- reading for details
3.What does the word “that” in the last sentence refer to
It refers to the migration.
4.What does the author think of the monarch’s migration
Among the most wonderful migrations.
The monarch butterfly’s migration
Time
Distance
Route
Autumn
Around 4,000 kilometers
From North American to southern California or Mexico.
Para. 2
long and difficult
Fill in the blanks.
Route
Para. 2
Para.3
How can they find their way to their destinations Complete the sentences with expressions from the passage. Then use the sentences to complete the “cause-effect” flow.
a. The monarch butterfly is able to tell ______________.
b. Using these two pieces of information, the monarch butterfly determines ____________.
c. The monarch butterfly measures _____________________with its eyes.
d. The monarch butterfly reaches ________________________________.
the time of day
the way to go
the position of the sun
the places where it will spend the winter
a/c
c/a
d
b
d
a / c
c / a
Complete the sentences with expressions from this paragraph and then finish the “cause-effect” flow chart of the monarch population crash.
e．Humans _________ trees.
f．The _______________________________where monarchs can be found is destroyed.
g．Humans use chemicals that _____________ that monarch caterpillars eat.
h．The monarch butterfly’s population _____________________________ in the last few years.
cut down
natural environment of many places
kill the plants
has crashed by as much as 90 percent
Para.4
f
h
e / g
g / e
1. The word “behaviour” refers to ___________.
2. From this paragraph we can see that raising greater awareness of protecting monarch butterflies is very ____________ and urgent(紧迫的)．
migration
necessary
Para.5
the ________ on the monarch’s __________
people’s greater _________
recording its _________
making sure of enough ______ for it to _______
if it works
the number of the monarch butterflies will ________
the solution to the monarch’s ________
3.How do we solve the problem of protecting monarch butterflies Please complete the following flow chart.
research
behaviour
awareness
migration
plants
feed on
increase
survival
4. The author develops Paragraphs 3－5 mainly .
A．by time order
B．by space order
C．by examples
D．by cause and effect
√
The _______ of the migration of animals They _______ to find food, a partner or search for warmer weather.
The monarch’s difficult ________ Every autumn, they begin a long and difficult journey, and manage to travel around 4,000 kilometres _____ to find their way to places ______ they will spend the winter.
The _______the monarch migrates The monarch is able to tell the time of day, and use its eyes __________ the position of the sun. So, it can _________ which way it needs to go.
Fill in the blanks and get the structure of the passage.
migrate
south
where
to measure
determine
purpose
journey
way
Structure
Part I The migration of monarch butterfly
The ______ why there’re fewer monarchs People are destroying the natural environment by ____________ trees and using _________ that kill the plants that monarch caterpillars eat.
How to _______ the monarch Volunteers have been working together to record their migration and make sure that there are enough plants for them to ________.
The more we know about these delicate creatures, __________ the chance they will survive.
cutting down
chemicals
feed on
the greater
reason
protect
Part II The influence of human’s activities on
monarchs
Post-reading
1. How do you understand the word “journey” in the title？(Critical thinking)
(1)It is the monarch’s journey to the destination.
(2)It is also scientists’ journey to discovering and solving the mystery.
(3)It is human’s journey to protecting the monarch.
Activity 1 Discussion
2．What can people do to help protect the monarch butterfly？(Creative thinking)
(1)Raise awareness of this creature.
(2)Work together to record its migration.
(3)Plant native milkweed species for it to feed on.
(4)Do not use chemicals that kill the plants that monarch caterpillars eat.
(5)Protect the natural environment and its ecosystem.
(6)Keep in harmony with nature.
Many animals move from one place to another at certain times of the year. They migrate 1.________(find) food, seek a partner, or in search of warmer weather. One of the most wonderful migrations in nature is 2._______ of the North American monarch butterfly. Every autumn, 3.________(million) of these beautiful insects with fine black and orange wings begin a long and difficult journey. However, until 4.________(recent) no one knew how they did this.
to find
that
millions
recently
Activity 2 Summary
A team of scientists 5.____(lead) by Professor Eli Shlizerman at the University of Washington has found that the monarch is able to tell the time of day and to measure the position of the sun by 6.______(use) its eyes so that the monarch manages to reach the places 7._______ it will spend the winter. The solution to the mystery of the monarch’s 8.________(amaze) ability comes at a time when it is in serious trouble. Its population 9.____________(crash) by as much as 90 per cent in the last few years because of human activity. The research on the monarch’s behaviour has however led to 10.____ greater awareness of this creature. People have been working together to record its migration and make sure that there are enough plants for it to feed on.
led
using
where
amazing
has crashed
a
Sentences Analysis:
These two pieces of information—the time of day and the point where the sun is in the sky—allow the butterfly to determine the way to go.
(Para 3 Line 7)
[句式分析] 此句为_______, 主语是__,谓语是___，宾语是____，宾补是_____,the time of day and the point where the sun is in the sky是____________, where引导___________, 修饰the point。
[自主翻译]
简单句
同位语
定语从句
这两条信息——一天中的时刻和太阳在天空中的位置——让黑脉金斑蝶能够判定前进方向。
They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.(Para.4 Line 6)
[句式分析] 此句是_________句，该句有两个that引导的_______从句；that可替换为关系代词_______；第一个that在定语从句中作________，不可省略；第二个that，在定语从句中作______ ，可以省略。
[自主翻译]
主从复合
定语
which
主语
宾语
他们砍伐树木，他们所用的化学制剂杀死了黑脉金斑蝶幼虫食用的植物。
People have been working together to record its migration and make sure that there are enough plants for it to feed on.(Para.5 Line 2)
[句式分析] 此句是_________句，主句的时态是_________________，句中 to record its migration and make sure that there are enough plants for it to feed on为不定式短语作__________ ， that引导______从句。
[自主翻译]
目的状语
主从复合
现在完成进行时
宾语
人们已经在共同努力，记录它的迁徙，并确保它有足够的食物。
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.(Para. 5 Line 5)
[句式分析] 该句式结构为： “the＋比较级...，the＋比较级... ” 译为：______________；前面为从句部分，后面为主句部分；该句主句部分为省略句，it will survive and keep its place in the natural world for a long time to come作主语the chance的____________。
[自主翻译]
越……就越……
同位语
我们对这个可爱的生物了解越多，它们在自然界中得以长久生存并保持其地位的可能性就越大。
Homework
Review what we have learned and preview language points
Understanding ideas—Reading comprehension
Into the wild
Unit 5
By the end of this class, students will be able to:
1. know the style of the scientific exposition(说明文) and think critically about the phenomenon;
2. identify the cause and effect;
3. have a better understanding of relationships between humans and animals and respect nature.
CONTENTS
Pre-reading
I
While-reading
II
Post-reading
III
Sentences analysis
IV
Choose the animals that migrate.
monarch butterfly
A
Siberian crane
西伯利亚白鹤
B
killer whale
虎鲸
C
Atlantic salmon
大西洋鲑鱼
D
African lion
E
red panda
红熊猫，小熊猫
F
Pre-reading
√
√
√
√
Complete the following background information.
Animal migration refers to the _________ of a species from one habitat to another in response to seasonal changes to the environment. Often covering great distances and involving huge ________ of animals, it can be fascinating to observe. Migration happens in all parts of the animal kingdom, from fish and insects to birds, reptiles(爬行类动物) and mammals(哺乳动物).
movement
numbers
Let’s watch the video.
While-reading
1. Skim the text and match the main idea with each paragraph.
B. Ways that the monarch migrates.
A. Reasons for the monarch’s trouble.
D. Definition of animal migration.
C. Measures to protect the monarch.
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
E. Details about the monarch’s migration.
Activity 1 Fast- reading for main ideas
2．Where are you most likely to find this passage
A．In a scientific research paper about the monarch butterfly’s migration.
B．In a popular nature magazine introducing the monarch butterfly.
C．In a travel leaflet encouraging people to visit North America.
D．In a novel which describes one’s love for the monarch butterfly.
通俗自然杂志
√
3．What’s the type of the passage
A．Narration. B．Argumentation.
C．Exposition. D．A news report.
√
Learning tip of exposition: cause—effect analysis
说明文学习小提示：因—果分析
What are the causes and effects of this event
What might happen next
cause–effect flow chart
cause
cause
effect
What will happen next
1.What is migration
Animals’ ______ movement from one place to another at _______ times of the year is called migration.
2.Why do animals migrate
They migrate to find food, seek a partner/mate(配偶), or in search of warmer weather.
Para. 1
annual
certain
Activity 2 Careful- reading for details
3.What does the word “that” in the last sentence refer to
It refers to the migration.
4.What does the author think of the monarch’s migration
Among the most wonderful migrations.
The monarch butterfly’s migration
Time
Distance
Route
Autumn
Around 4,000 kilometers
From North American to southern California or Mexico.
Para. 2
long and difficult
Fill in the blanks.
Route
Para. 2
Para.3
How can they find their way to their destinations Complete the sentences with expressions from the passage. Then use the sentences to complete the “cause-effect” flow.
a. The monarch butterfly is able to tell ______________.
b. Using these two pieces of information, the monarch butterfly determines ____________.
c. The monarch butterfly measures _____________________with its eyes.
d. The monarch butterfly reaches ________________________________.
the time of day
the way to go
the position of the sun
the places where it will spend the winter
a/c
c/a
d
b
d
a / c
c / a
Complete the sentences with expressions from this paragraph and then finish the “cause-effect” flow chart of the monarch population crash.
e．Humans _________ trees.
f．The _______________________________where monarchs can be found is destroyed.
g．Humans use chemicals that _____________ that monarch caterpillars eat.
h．The monarch butterfly’s population _____________________________ in the last few years.
cut down
natural environment of many places
kill the plants
has crashed by as much as 90 percent
Para.4
f
h
e / g
g / e
1. The word “behaviour” refers to ___________.
2. From this paragraph we can see that raising greater awareness of protecting monarch butterflies is very ____________ and urgent(紧迫的)．
migration
necessary
Para.5
the ________ on the monarch’s __________
people’s greater _________
recording its _________
making sure of enough ______ for it to _______
if it works
the number of the monarch butterflies will ________
the solution to the monarch’s ________
3.How do we solve the problem of protecting monarch butterflies Please complete the following flow chart.
research
behaviour
awareness
migration
plants
feed on
increase
survival
4. The author develops Paragraphs 3－5 mainly .
A．by time order
B．by space order
C．by examples
D．by cause and effect
√
The _______ of the migration of animals They _______ to find food, a partner or search for warmer weather.
The monarch’s difficult ________ Every autumn, they begin a long and difficult journey, and manage to travel around 4,000 kilometres _____ to find their way to places ______ they will spend the winter.
The _______the monarch migrates The monarch is able to tell the time of day, and use its eyes __________ the position of the sun. So, it can _________ which way it needs to go.
Fill in the blanks and get the structure of the passage.
migrate
south
where
to measure
determine
purpose
journey
way
Structure
Part I The migration of monarch butterfly
The ______ why there’re fewer monarchs People are destroying the natural environment by ____________ trees and using _________ that kill the plants that monarch caterpillars eat.
How to _______ the monarch Volunteers have been working together to record their migration and make sure that there are enough plants for them to ________.
The more we know about these delicate creatures, __________ the chance they will survive.
cutting down
chemicals
feed on
the greater
reason
protect
Part II The influence of human’s activities on
monarchs
Post-reading
1. How do you understand the word “journey” in the title？(Critical thinking)
(1)It is the monarch’s journey to the destination.
(2)It is also scientists’ journey to discovering and solving the mystery.
(3)It is human’s journey to protecting the monarch.
Activity 1 Discussion
2．What can people do to help protect the monarch butterfly？(Creative thinking)
(1)Raise awareness of this creature.
(2)Work together to record its migration.
(3)Plant native milkweed species for it to feed on.
(4)Do not use chemicals that kill the plants that monarch caterpillars eat.
(5)Protect the natural environment and its ecosystem.
(6)Keep in harmony with nature.
Many animals move from one place to another at certain times of the year. They migrate 1.________(find) food, seek a partner, or in search of warmer weather. One of the most wonderful migrations in nature is 2._______ of the North American monarch butterfly. Every autumn, 3.________(million) of these beautiful insects with fine black and orange wings begin a long and difficult journey. However, until 4.________(recent) no one knew how they did this.
to find
that
millions
recently
Activity 2 Summary
A team of scientists 5.____(lead) by Professor Eli Shlizerman at the University of Washington has found that the monarch is able to tell the time of day and to measure the position of the sun by 6.______(use) its eyes so that the monarch manages to reach the places 7._______ it will spend the winter. The solution to the mystery of the monarch’s 8.________(amaze) ability comes at a time when it is in serious trouble. Its population 9.____________(crash) by as much as 90 per cent in the last few years because of human activity. The research on the monarch’s behaviour has however led to 10.____ greater awareness of this creature. People have been working together to record its migration and make sure that there are enough plants for it to feed on.
led
using
where
amazing
has crashed
a
Sentences Analysis:
These two pieces of information—the time of day and the point where the sun is in the sky—allow the butterfly to determine the way to go.
(Para 3 Line 7)
[句式分析] 此句为_______, 主语是__,谓语是___，宾语是____，宾补是_____,the time of day and the point where the sun is in the sky是____________, where引导___________, 修饰the point。
[自主翻译]
简单句
同位语
定语从句
这两条信息——一天中的时刻和太阳在天空中的位置——让黑脉金斑蝶能够判定前进方向。
They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.(Para.4 Line 6)
[句式分析] 此句是_________句，该句有两个that引导的_______从句；that可替换为关系代词_______；第一个that在定语从句中作________，不可省略；第二个that，在定语从句中作______ ，可以省略。
[自主翻译]
主从复合
定语
which
主语
宾语
他们砍伐树木，他们所用的化学制剂杀死了黑脉金斑蝶幼虫食用的植物。
People have been working together to record its migration and make sure that there are enough plants for it to feed on.(Para.5 Line 2)
[句式分析] 此句是_________句，主句的时态是_________________，句中 to record its migration and make sure that there are enough plants for it to feed on为不定式短语作__________ ， that引导______从句。
[自主翻译]
目的状语
主从复合
现在完成进行时
宾语
人们已经在共同努力，记录它的迁徙，并确保它有足够的食物。
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.(Para. 5 Line 5)
[句式分析] 该句式结构为： “the＋比较级...，the＋比较级... ” 译为：______________；前面为从句部分，后面为主句部分；该句主句部分为省略句，it will survive and keep its place in the natural world for a long time to come作主语the chance的____________。
[自主翻译]
越……就越……
同位语
我们对这个可爱的生物了解越多，它们在自然界中得以长久生存并保持其地位的可能性就越大。
Homework
Review what we have learned and preview language points