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Unit 8 Natural disasters
Lesson 6 Measures to prevent floods
冀教版 （2024）八年级
下
Learning objectives
0
Lead in
Pre-reading
2
While-reading
Post-reading
4
Summary
Assessment
6
Homework
1
3
5
7
By the end of the lesson, I will be able to...
1
2
3
learn about key flood prevention projects;
complete the table with passage information;
understand flood measures and their importance.
00
Learning objectives
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Q: What natural disaster is this
Watch and answer.
It's flood.
Lead in
01
Look and say.
paper money
Q: What bad effects do floods bring
Cause safety risks and diseases.
Pose a threat to human lives.
Cause serious damage to homes and crops.
Look and say.
Q: How do we prevent floods now
People fought floods only with _____________ and _____________
against floods.
We build __________________
and use _____________ to stop floods.
Q: How did people fight floods before
simple methods
struggled hard
large water projects
scientific ways
Look and predict.
Predict the content of the passage in Part 1 based on the pictures.
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Pre-reading
02
Three countries.
Q: How many countries are mentioned in the passage
Q: What is the main idea of the passage
A. Floods are common natural disasters.
B. Different countries build projects to prevent floods.
C. Floods cause serious damage to homes and crops.
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Pre-reading
02
Skim and answer.
Q: What countries are mentioned in the passage
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
China，the UK，the Netherlands.
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Q: What flood projects do they build
China: The Three Gorges Dam.
the UK: The Thames Barrier.
the Netherlands: The storm surge barrier.
Read first & last lines,
focus on key words.
Skim and answer.
While-reading
03
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Q: What role does the Three Gorges Dam play in China
Q: Where is the Three Gorges Dam located
Q: What does the dam help do during heavy rains
It plays a crucial role in preventing floods in China.
It is located on the Changjiang River.
It helps control the flow of water during heavy rains.
Read and complete.
While-reading
03
Country Project Location Effects
China
the UK
the Netherlands
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
Read the passage again and complete the table in Part 1.
The Three Gorges Dam
On the Changjiang River
Controls water flow, holds back excess water, and protects nearby areas from floods.
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Skim and answer.
While-reading
03
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Q: What is the Thames Barrier in the UK
Q: What special feature does the Thames Barrier have
Q: Since when has the barrier prevented many floods
It is an important flood defense system.
It has huge movable gates.
Since 1982.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
Country Project Location Effects
China
the UK
the Netherlands
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
While-reading
03
Read and complete.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
The Thames Barrier
On the River Thames
Raises gates during high tides to protect London from flooding and safeguards the city.
Skim and answer.
While-reading
03
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Q: What is the storm surge barrier in the Netherlands
Q: What kind of regions does the barrier protect
Q: What water flow does the barrier control
It is an important defense against coastal flooding.
It protects low-lying areas.
It controls water flow from the North Sea.
Country Project Location Effects
China
the UK
the Netherlands
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
Read and answer.
While-reading
03
The Delta Project
In Zeeland (southwestern Netherlands)
Protects low-lying regions from flooding and controls water flow from the North Sea.
Floods are common natural disasters. They can cause serious damage to homes and crops, and pose a threat to human lives. Many countries take all kinds of measures to prevent floods based on their specific conditions.
Read and take notes.
Post-reading
04
The Three Gorges Dam plays a crucial role in preventing floods in China. This dam is located on the Changjiang River and helps control the flow of water during heavy rains. The dam acts as a barrier to hold back excess water and releases it slowly and safely. This makes sure that the areas nearby are protected from the floods. By controlling the water levels, the dam keeps people safe.
common natural disasters 常见自然灾害
cause serious damage 造成严重破坏
take measures to do 采取措施做某事
prevent floods 防洪
specific conditions 具体情况
pose a threat to 对…… 构成威胁
play a crucial role in 在…… 中起到关键作用
be located on 坐落于
act as 充当，当作
hold back 阻挡，拦截
be protected from 免受…… 侵害
water levels 水位
Read and take notes.
Post-reading
04
The Thames Barrier is an important flood defense system in the UK. It is located on the River Thames with huge gates that can be raised during high tides to protect London from flooding. The barrier has successfully prevented many floods since its completion in 1982, safeguarding the city and its people.
The storm surge barrier in the Netherlands is an important defense against coastal flooding. This barrier is known as the Delta Project or Delta Works. It is located in the southwestern part of the country in the province of Zeeland. It aims to protect the low-lying regions of the Netherlands from flooding and to control the flow of water from the North Sea.
flood defense system 防洪设施
huge gates 巨型闸门
high tides 涨潮
since its completion 自建成以来
storm surge barrier 风暴潮屏障
coastal flooding 沿海洪水
be known as 被称作
low-lying regions 低洼地区
2 Search the internet and find more famous projects to prevent floods around the world.
Hints:
What is it
Where is it
How does it prevent floods
I think it is...
Search and find.
Post-reading
04
Country Project Location Effects
2 Search the internet and find more famous projects to prevent floods around the world.
Search and find.
Post-reading
04
Country Project Location Effects
USA Mississippi River Levee System Mississippi River basin It stops the river from flooding cities and farmland along its banks.
Bangladesh Flood Action Plan All over Bangladesh It builds dykes and early warning systems to reduce damage from frequent floods.
Japan Kiso River Flood Control System Kiso River, Nagoya It uses dykes and reservoirs to control floods and protect the city of Nagoya.
For example:
3 Do you know how ancient Chinese people prevented floods Talk about it.
Work in groups.
Post-reading
04
Dayu's Water Control
Instead of blocking floods, Dayu dug channels to guide floodwater into the sea, solving the flood problem in the Yellow River area.
Dujiangyan Irrigation System
It uses three parts to split water, remove sand, and release floods. It controls floods and irrigates fields naturally, still working today.
dug channels to guide floodwater into the sea （开凿河道引导洪水入海）
split water分水, remove sand排沙, and release floods 泄洪
controls floods(自然地防洪)and irrigates fields naturally （灌溉）
3 Do you know how ancient Chinese people prevented floods Talk about it.
Work in groups.
Post-reading
04
Ancient Levees & Dykes
People built long dykes along rivers like the Yellow River to stop floodwater from overflowing. They also planted trees to make the banks stronger.
City Drainage Systems
Ancient cities had underground drains to carry away rainwater. Special gates stopped river water from flowing back into the city during floods.
built long dykes along rivers （沿河修建长堤）
underground drains to carry away rainwater （地下排水管道排走雨水）
3 Do you know how ancient Chinese people prevented floods Talk about it.
Work in groups.
Post-reading
04
Flushing Silt with Fast Water
"束水攻沙"
The Ming engineer Pan Jixion built narrow river channels to speed up the water flow. This helped carry away silt from the riverbed, making floods less likely.
built narrow river channels to speed up the water flow （修建窄河道以加快水流）
carry away silt from the riverbed （冲走河床泥沙）
making floods less likely （降低洪水发生的可能性）
Share the information you have searched on the internet in groups, and then talk about it in front of the class.
Create and present.
Post-reading
04
Flood prevention device
name
location
appearance
effects
Dujiangyan Irrigation System, Thames Barrier, Delta Works, levee, dyke, dam, flood gate, storm surge barrier
Chengdu, Sichuan, China, River Thames, London, the UK, Rhine-Meuse-Scheldt delta, the Netherlands, along the river, near the sea, in the city center, low-lying areas
three main parts, stone and bamboo structure, large steel gates, movable barriers, a system of dams and sluices, built across the river, high and strong banks
control floods, prevent floods, stop storm surges, protect cities, protect people, irrigate farmland, keep people safe, reduce flood damage, still works today
Words Bank
Outline
Share the information you have searched on the internet in groups, and then talk about it in front of the class.
Create and present.
Post-reading
04
For example:
Dujiangyan Irrigation System
name: Dujiangyan Irrigation System
location: Chengdu, Sichuan, China
appearance: Made of three main parts: Fish Mouth, Feisha Weir, and Baopingkou, built with stones and bamboo.
effects: Controls floods, irrigates farmland, and has protected the Chengdu Plain for over 2,000 years.
Show time
Talk clearly (内容清晰)
Pronunciation(发音标准)
Body language(使用肢体语言)
Fluently(流利的)
Reasonable(理由合理)
Grade and share:
Post-reading
04
Read and enjoy.
Don't use the lift; take the stairs;
Do not panic and be prepared.
Earthquake, stay calm,
Take cover, don't jump off.
Run outdoors to open ground,
Go quick, don't look around.
If you're trapped, stay calm,
Stay calm
Keep your strength, don't make a sound.
If you're bleeding, press down hard,
Treat your wound with a cotton wrap.
When you hear people, you can shout!
Keep in mind help will come.
Cover your mouth, nose, and head,
Hide your body under a desk.
Don't use the lift; take the stairs;
Do not panic and be prepared.
Keep in mind help will be here!
The words we have learned
一、根据首字母或汉语提示补全单词。
The Three Gorges Dam plays a crucial r______ in preventing floods in China. (作用)
The Thames B______ protects London from flooding during high tides. (屏障)
The storm surge barrier in the Netherlands is known as the Delta P______. (工程)
The dam helps c______ the flow of water during heavy rains. (控制)
The barrier has s_________ prevented many floods since its completion in 1982. (成功地)
Summary
05
ole
arrier
roject
ontrol
uccessfully
The phrases we have learned
二、英汉互译
flood defense system ____________________________________
storm surge barrier ____________________________________
抵御洪水 ____________________________________
控制水位 ____________________________________
保护低洼地区 ____________________________________
拦蓄多余的水 ____________________________________
基于特定条件 ____________________________________
Summary
05
防洪系统
风暴潮屏障
prevent floods
control the water levels
protect the low-lying regions
hold back excess water
based on specific conditions
The sentences we have learned
三、句子翻译
洪水是常见的自然灾害，会对房屋和庄稼造成严重破坏。
_______________________________________________________________ _______________________________________________________________三峡大坝位于长江上，在中国防洪中发挥着关键作用。
_______________________________________________________________ _______________________________________________________________泰晤士河屏障自 1982 年建成以来，已成功抵御了多次洪水。
_______________________________________________________________ _______________________________________________________________荷兰的三角洲工程旨在保护该国的低洼地区免受洪水侵袭。_______________________________________________________________ _______________________________________________________________
Summary
05
Floods are common natural disasters that can cause serious damage to homes and crops.
The Three Gorges Dam is located on the Changjiang River and plays a crucial role in preventing floods in China.
The Thames Barrier has successfully prevented many floods since its completion in 1982.
The storm surge barrier in the Netherlands aims to protect the low-lying regions of the country from flooding.
四、用短文内的单词或短语完成句子
Floods are common natural disasters that can cause serious __________ to homes and crops.
The Three Gorges Dam acts as a barrier to __________ excess water during heavy rains.
The Thames Barrier is located on the River Thames with huge gates that can be __________ during high tides.
The Delta Project aims to protect the low-lying regions of the Netherlands from ________.
The dam keeps people safe by controlling the water ________ and releasing water slowly.
The sentences we have learned
Summary
05
damage
hold back
raised
flooding
levels
Assessment
06
Self-assessment
I can learn about key flood prevention projects.
I can complete the table with passage information.
I can understand flood measures and their importance.
Basic (基础)
Improving(提升)
Extend (拓展)
Homework
07
背诵本课核心词汇，并能准确默写课文中描述货币发展的 3 个关键时间短语。
用英语写出 4 条关于货币发展的细节描述，每句使用本课所学的相关表达。
制作一张 “My Favourite Form of Money” 小卡片，配上简单图画并用英文标注它的特点和优势。
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