外研版(2019)选择性必修第二册 Unit 5 A delicate world period1 understanding ideas 市级优质课课件( 共13张)

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名称 外研版(2019)选择性必修第二册 Unit 5 A delicate world period1 understanding ideas 市级优质课课件( 共13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 16:23:37

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(共13张PPT)
外研版 高中英语 高二年级上学期
Book 5 Unit 5 A delicate world
Period 1 Understanding ideas
Learning aims :
To know something about Macquarie Island.
To practice our reading skills
To spur our sense of environmental protection
2020/11/9
1. What animals can you see in the video
Disastrous results?
Starting out
2. If cats, rats and rabbits were introduced to the environment, what would happen
penguins
elephant seals
wild birds
Fast reading
Look through the passage with the following questions.
1.Match the paragraph(s) with correct main ideas.
Para.1
Para.2-3
Para.4-5
Para.6
Chaos caused by humans
The process of preservation
The introduction of the island
The author’s mission
2. Choose the author's purpose in writing this passage and give your reasons.
A. To analyze how Macquarie Island was saved from destruction.
B. To inform readers of the chaos caused on Macquarie Island by humans.
C. To entertain readers with a funny story about what happened on Macquarie island.
D. To suggest ways in which an ecosystem can be protected.
From what aspects does the writer introduce the island in para.1
Location
1486km
1294km
Shape
Inhabitants
royal penguins ; king penguins; elephant seals
long and thin
Why
Strong winds and stormy seas
In the ________________ ocean , ________ between Australia and Antarctic.
South-west Pacific
halfway
Careful reading
landscape
Green grass; bare rock; a wild and natural beauty
Humans arrived in1810
Purposes
To live there
To hunt for sea animals
To control rats and mice
To be a source of food for humans
took over the island
Eat birds’ eggs
Attack baby birds
Purposes
Purposes
Results
Results
Results
Develop an appetite for birds
multiplied quickly
eat the native vegetation
digging holes
cause soil erosion
more rabbits means more cats
What happened to Macquarie Island before 1970s
Time In the 1970s In the 1980s
measures
results
The large number of mice and rats
The remaining 10000 rabbits
Disastrous results in2006
Caused some land to collapse
Killed a substantial number of penguins
Remove all the invading species once and for all.
Fill in the following blanks with information in para.4-5
Became an official nature reserve;
A virus was released to control rabbits
Traps and dogs --- catch the cats
Rabbits were reduced to 10000.
The cats --- native birds
The last cat was caught in 2000
Rats started to increase
1. What’s the author’s mission on the island
Remove the last remaining invading species
2. How do you understand the sentence “ we human owe it to the island to give it a happy ending.” at the end of the passage
It is humans that have caused great damage to the island and it is our duty to help it return to normal.
Read the last paragraph with the following questions.
summary
1810
meanwhile
1891
1970s
According to the time order, can you retell the passage
1980s
2000
2006
now
Qinling villas
Kubuqi desert
In 2014, Macquarie Island is pest-free and its ecology is on the road to recovery
In 2016, the permanent scientific research station was closed down .
Are there similar situations in our country
Better late than never!
Post reading :
Live harmoniously
past
past
now
now
With our joint efforts, our country is sure to become a more hospitable place. We should live harmoniously with nature.
Homework
Please design a poster to call on the students in your school to protect our living conditions . In the poster you are required to list 10 practical dos and don’ts.