外研版（2019） 必修第一册 Unit 5 Into the Wild Lesson1课件（15张）
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| 名称 | 外研版（2019） 必修第一册 Unit 5 Into the Wild Lesson1课件（15张） |  | |
| 格式 | pptx | ||
| 文件大小 | 3.0MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-06-04 20:49:41 | ||
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(共15张PPT)
Unit 5 Lesson 1
Into the wild
Pre-reading I
Look at the pictures and say the names of the animals.And then choose the animals that migrate.
Siberian crane
Pre-reading II
The names of the animals: monarch butterfly, red panda, Siberian crane,Atlantic salmon,killer whale, African lion
Migrate animals:monarch butterfly,Siberian crane,Atlantic salmon,killer whale
What do you know about animal migration
*Animals that migrate
*Time of animal migration
*Reasons for animal migration
*Influences of human activities on animal migration
Words and expressions
monarch n.君主，国王
monarch butterfly 黑迈金蝴蝶
annual adj一年一度的，每年的
migration n迁徙
migrate v.移栖，迁徙
seek v.寻找，寻求
professor n.教授
measure v. 测量
position n.位置
determine v.确定，决定 determination n.决心
eventually adv. 终于，最终
in search of搜寻，寻找
solution n. 解决，解决方法
mystery n. 难以理解的事物，谜
amazing adj. 惊人的，了不起的
crash v. 暴跌
destroy v. 破坏
chemical n. 化学品
creature n.生物、动物
survive v.幸存，活下来
manage v. 想方设法做...
While reading I
Read the passage and find out the main idea.
A. The monarch’s migration.
B. The reasons for monarch’s migration.
C. Mexico’s monarch.
Read the passage and find out what mystery the scientists have solved.
The scientists have solved the mystery of how monarch butterflies manage to travel a long distance and find their way to their destination.
Where can you most likely find the passage
In a popular nature magazine introducing the monarch butterfly.
In a travel leaflet encouraging people to visit North America.
In a scientific research paper about monarch butterfly’s migration.
Complete the sentences with the expressions from the passage.
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 ______.
Key: a.the time of the day
b.the way to go
c.the position of the sun
d.the palces where it will spend in winter
Grammar point
1.The solution to the mystery of the monarch's amazing ability comes at a time when it is in serious trouble.
2.Sadly, human activity is the main reason why the number of monarch butterflies is falling.
3.In many of the places where the butterfly can be found, people are destroying the natural environment.
4.They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.
这四个句子都含有定语从句。在第一句中，when 是关系副词，代替先行词a time； 第二句中，why 是关系副词，代替先行词the main reason； 第三句中，where 是关系副词，代替the places； 第四句中，that 是关系代词，第一个指代chemicals, 第二个指代the plants。
定语从句用法举例：
1.I still remember the time when I first became a college student. 我还仍然能记得我第一次成为大学生的时候。2. This is the place where we met ten years ago. 这是我们十年前见面的地方。
3. This is the reason why he suddenly disappeared. 这就是他突然消失的原因。4. Where is the book that I bought yesterday 我昨天买的书哪里去了？
Exercise 练习
1.I’d like to live in a town ______ there are not too many cars.
2.Winter is the season __________ many animals sleep.
3.I can’t think ________ anyone would do that.
4.It was so quiet in the mountains _________ the bus stopped.
5.She told me about a place ________ there are thousands of butterflies.
6.I wish I knew _______ I failed my exams.
Key: 1.where 2.when 3.why 4.when 5.where 6.why
Post-reading
Think and share.
1.What impresses you most about the monarch butterfly
It said,”Its population has crashed by as much as 90 per cent in the last few years”in the text. This gave me a huge shock. It' s high time that we should think over about the cause and take measures.
2.What can people do to help protect the monarch butterfly
Plant native milkweed species to feed on.
Do not use chemicals that kill the plants as much as possible.
Protect the natural environment.
Summary
Summarize what we have learnt today.
Unit 5 Lesson 1
Into the wild
Pre-reading I
Look at the pictures and say the names of the animals.And then choose the animals that migrate.
Siberian crane
Pre-reading II
The names of the animals: monarch butterfly, red panda, Siberian crane,Atlantic salmon,killer whale, African lion
Migrate animals:monarch butterfly,Siberian crane,Atlantic salmon,killer whale
What do you know about animal migration
*Animals that migrate
*Time of animal migration
*Reasons for animal migration
*Influences of human activities on animal migration
Words and expressions
monarch n.君主，国王
monarch butterfly 黑迈金蝴蝶
annual adj一年一度的，每年的
migration n迁徙
migrate v.移栖，迁徙
seek v.寻找，寻求
professor n.教授
measure v. 测量
position n.位置
determine v.确定，决定 determination n.决心
eventually adv. 终于，最终
in search of搜寻，寻找
solution n. 解决，解决方法
mystery n. 难以理解的事物，谜
amazing adj. 惊人的，了不起的
crash v. 暴跌
destroy v. 破坏
chemical n. 化学品
creature n.生物、动物
survive v.幸存，活下来
manage v. 想方设法做...
While reading I
Read the passage and find out the main idea.
A. The monarch’s migration.
B. The reasons for monarch’s migration.
C. Mexico’s monarch.
Read the passage and find out what mystery the scientists have solved.
The scientists have solved the mystery of how monarch butterflies manage to travel a long distance and find their way to their destination.
Where can you most likely find the passage
In a popular nature magazine introducing the monarch butterfly.
In a travel leaflet encouraging people to visit North America.
In a scientific research paper about monarch butterfly’s migration.
Complete the sentences with the expressions from the passage.
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 ______.
Key: a.the time of the day
b.the way to go
c.the position of the sun
d.the palces where it will spend in winter
Grammar point
1.The solution to the mystery of the monarch's amazing ability comes at a time when it is in serious trouble.
2.Sadly, human activity is the main reason why the number of monarch butterflies is falling.
3.In many of the places where the butterfly can be found, people are destroying the natural environment.
4.They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.
这四个句子都含有定语从句。在第一句中，when 是关系副词，代替先行词a time； 第二句中，why 是关系副词，代替先行词the main reason； 第三句中，where 是关系副词，代替the places； 第四句中，that 是关系代词，第一个指代chemicals, 第二个指代the plants。
定语从句用法举例：
1.I still remember the time when I first became a college student. 我还仍然能记得我第一次成为大学生的时候。2. This is the place where we met ten years ago. 这是我们十年前见面的地方。
3. This is the reason why he suddenly disappeared. 这就是他突然消失的原因。4. Where is the book that I bought yesterday 我昨天买的书哪里去了？
Exercise 练习
1.I’d like to live in a town ______ there are not too many cars.
2.Winter is the season __________ many animals sleep.
3.I can’t think ________ anyone would do that.
4.It was so quiet in the mountains _________ the bus stopped.
5.She told me about a place ________ there are thousands of butterflies.
6.I wish I knew _______ I failed my exams.
Key: 1.where 2.when 3.why 4.when 5.where 6.why
Post-reading
Think and share.
1.What impresses you most about the monarch butterfly
It said,”Its population has crashed by as much as 90 per cent in the last few years”in the text. This gave me a huge shock. It' s high time that we should think over about the cause and take measures.
2.What can people do to help protect the monarch butterfly
Plant native milkweed species to feed on.
Do not use chemicals that kill the plants as much as possible.
Protect the natural environment.
Summary
Summarize what we have learnt today.