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(共19张PPT)
冀教版《初中英语》 八年级上册
Unit 8 Natural disasters
(Learning culture)
Learning objectives
By the end of this lesson, students will be able to...
identify key information about the Three Gorges Dam and the Thames Barrier (location, function, effect).
compare and contrast the two flood-prevention measures in China and the UK.
explain how these engineering projects work to protect people from floods.
understand the importance of flood prevention and think of simple ways to stay safe during floods.
/ me (r)/
→ways/methods
View and say.
What are they in the pictures
The Three Gorges Dam .
The Thames Barrier.
/ ɡ d z d m/
/temz b ri (r)/
The Dujiangyan Irrigation System.
/ r ɡe n s st m/
They are all measures to prevent floods.
Skim and say.
What is the main idea of this text
Measures to prevent floods.
Scan and divide.
How many parts can this text be divided into
Two.
Part1
Part 2
Scan and match.
What is the main idea of each part
Part 1.
Part 2.
★Introduction to flood problems.
★Three flood-prevention measures.
What do we know about floods
Read Part 1 and ask.
①
What are floods
What damage can they cause
What do different countries do to prevent floods
What do we know about floods
Read Part 1 again and underline the answers.
①
What are floods
What damage can they cause
What do different countries do to prevent floods
①
②
③
/sp s f k/
Scan Part 2 and circle.
What flood-prevention measures are mentioned in this text
Where are they
What else do we know about the three flood-prevention measures
Read Part 2 and complete the table. (Activity 1)
On the Changjiang River
The Three Gorges Dam
The Thames Barrier
The storm surge barrier
★ help control the flow of water...
★ hold back excess water and release...
★ the areas nearby are protected...
★ ...keep people safe
On the Changjiang River
★ ...huge gates can be raised during high tides to protect from flooding
★ ...has successfully prevented many floods since its completion in 1982, safeguarding the city and its people
In the southwestern part of the country in the province of Zeeland
★ ...aims to protect the low-lying regions of ... from flooding and to manage the flow of water from the North Sea
What else do we know about the three flood-prevention measures
Read Part 2 and complete the table. (Activity 1)
On the Changjiang River
The Three Gorges Dam
The Thames Barrier
The storm surge barrier
★ help control the flow of water...
★ hold back excess water and release...
★ the areas nearby are protected...
★ ...keep people safe
On the Changjiang River
★ ...huge gates can be raised during high tides to protect from flooding
★ ...has successfully prevented many floods since its completion in 1982, safeguarding the city and its people
In the southwestern part of the country in the province of Zeeland
★ ...aims to protect the low-lying regions of ... from flooding and to manage the flow of water from the North Sea
Different countries have different ways to prevent floods, and they all work to protect people.
Search the internet and share. (Activity 2)
The New Orleans Levees
Location: New Orleans, the USA
How it works: Built along the Mississippi River and the Gulf of Mexico, these levees are high walls that hold back floodwater.
Why it’s important: It protects the low-lying city from river floods and hurricane storm surges.
The Afsluitdijk
Location: The Netherlands
How it works: A huge dam that closed off the Zuiderzee, turning a dangerous sea into a calm lake.
Why it’s important: It protects millions of people from North Sea floods and created new farmland.
Dujiangyan Irrigation System
Location: Chengdu, China
How it works: Built over 2,000 years ago, it uses natural water flow to control floods and irrigate farmland without dams.
Why it’s important: It’s still working today, protecting the city and keeping the farmland safe.
Search the internet and share. (Activity 2)
Today I want to share a famous flood-prevention project. It is called ______. It is in ______. It works by ______. It is important because ...
Work in groups and discuss. (Acitivity 3)
Fun time — Sing a song.
Must do:
Search for more information about measures to prevent floods or stories about how people fought against floods, write a passage and share with your classmates.
Homework
Choose to do:
Make a video or a poster about measures to prevent floods around the world and present it to your class.

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