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(共30张PPT)
Unit 5 Water is life
主题范畴：
人与自然
主题群：
环境保护
子主题：
环境污染及原因，环保意识和行为
Key question
What does water mean to us
Understand the main ideas of the article and be able to answer questions about the importance of water for city development；
Learn new words related to water resources, cities, and the environment, and use them correctly in sentences;
Discuss the advantages and disadvantages of living near rivers, lakes, or seas, and raise awareness about environmental protection.
Learning objectives 学习目标
At the end of the class, I’ll be able to:
population / p pju le n/ n. 人口
agriculture / ɡr k lt (r)/ n. 农业
trade /tre d/ n. 贸易；买卖
industry / nd stri/ n. 工业；生产制造
role /r l/ n. 角色
goods /ɡ dz/ n. 商品；货品
overseas / v si:z/ adv. 在国外；向海外
global / ɡl bl/ adj. 全球的；全世界的
income / nk m/ n. 收入；收益；所得
New words and phrases
nearly / n li/ adv. 几乎；差不多；将近
business / b zn s/ n. 买卖；生意
*leisure / le (r)/ n. 闲暇；空闲；休闲
throughout /θru: a t/ prep.自始至终；贯穿整个时期
duty / dju:ti/ n.责任；义务
play a role in ... 在……起作用
steam engine 蒸汽机
as a result 作为结果；因此
make sure 确保；设法保证
Warming up
Where do most people live
Section 4 Extending and developing competencies
Take a look at a map of any country. Where do most people live
What do these cities have in common
NEW YORK
LONDON
SHANGHAI
They are all by the river or by the sea.
What advantages do you think these cities have because they are close to water
Water and the Industrial Revolution
Water was essential during the Industrial Revolution. It powered the first machines and provided steam for engines, which helped factories grow.
How do you think water helped industries develop in the past
Why do modern cities need water
In this article, we’ll see how water has been the key to the development of cities, industries, and trade, both in the past and today. Water is not only essential for life, but also important for human society. Let’s explore the role water plays in the development of cities.
Read the article and find out why water is important for cities.
Reading
First reading
Choose the correct main idea for each paragraph from the options below.
A. Cities today still need water for many purposes.
B. People live close to water for many reasons.
C. Water helps cities grow by creating jobs and supporting trade.
B
C
A
If you look at a population map of any country in the world, you will see that most people live close to water. The world’s biggest cities are next to rivers, lakes or the sea. This isn’t an accident. We use water for all kinds of things in everyday life, and we also need it for agriculture and for trade.
Q1: Why are the world’s biggest cities often next to rivers, lakes or the sea
Deatiled learning
People need water for __________, ________, _________ and __________.
Water helps with ______ and transportation of goods (e.g., shipping products by rivers and oceans).
Example: Many famous cities, like __________ and _______, are located near water.
trade
drinking
cooking
cleaning
agriculture
New York
London
Water powered early ________ in factories (e.g., Richard Arkwright’s spinning machines).
Water helped ____________ work, which powered machines in factories.
Water allowed goods to be ______________, helping global trade.
machines
steam engines
shipped overseas
In fact, water creates jobs and helps different industries to develop. At the end of the 18th century, water played a big role in the Industrial Revolution. Water powered the first machines in the clothes industry, such as Richard Arkwright’s spinning machines. It also provided the first steam engines with steam. Thanks to rivers and oceans, businessmen could ship their goods overseas. The growing global trade created more jobs and provided more income for people. As a result, the cities that were close to water grew much larger.
Q2: What role did water play in the Industrial Revolution
By 2008, over half of the world’s population lived in cities. Nearly all of these cities are on the coast or by rivers or lakes. This is because cities need water for people’s homes, industry, business, tourism and leisure activities. Throughout history, water helped create and develop cities. It is now our duty to make sure we don’t waste water or pollute it.
By _______, over half of the world’s population lived in cities, many near water.
Water is needed for homes, business, industry, tourism, and _______________.
Water makes cities grow by providing _______ and supporting ________.
2008
leisure activities
business
jobs
Q3: How does water help cities grow
Review
(1) Why are the world’s biggest cities often next to rivers, lakes or the sea
Because we use water for all kinds of things in everyday life, and we also need it for agriculture and for trade.
(2) What role did water play in the Industrial Revolution
Water powered the first machines in the clothes industry, and it also provided the first steam engines with steam.
Complete the sentences with the words and the phrase below. Change the form if necessary.
(1) This town is on an island, so many people work in the fishing ____________.
(2) Pollution is a(n) ____________ problem. All the countries in the world need to work together to solve it.
(3) Around a thousand years ago, the weather became drier and drier in this area. ____________, people left.
(4) ____________ all of the water on Earth is salt water, so we cannot drink it.
(5) The world ____________ is very large: there are now more than 8 billion people on Earth!
industry
global
As a result
Nearly
population
Post-reading
What might be the disadvantages of living in cities near rivers, lakes or the sea Discuss in groups.
Floods may happen. When there is too much rain, the water can rise and flood the city, damaging houses and other buildings.
The Earth is sometimes referred to as the “Blue Planet”. Why is that Search for related topics online to find the answer.
Exploring more
Watch the video “The World of Water” (《水的世界》) and think about and answer the following questions:
(1) Why is the Earth called “the blue planet”
(2) What important role does the ocean play in our lives
(3) How is the Earth different from other planets
各种各样的
在……方面扮演重要角色
蒸汽机
幸亏；由于；因为
全球贸易
因此
Notes
在海岸边
确保
1. At the end of the 18th century, water played a big role in the Industrial Revolution.
在十八世纪末，水在工业革命中发挥着巨大的作用。
play a role in ...意为“在……起作用”，其中 role 前可加形容词修饰，如 big，key，major 等。
e.g. The media play a major role in influencing public opinion.
媒体在影响公众舆论方面发挥着重要作用。
1. Play an important role in … 在……中起着重要作用
e.g. Education plays an important role in shaping a person’s future.
教育在塑造一个人未来中起着重要作用。
2. Play a key role in … 在……中起着关键作用
e.g. Technology plays a key role in improving healthcare.
科技在改善医疗保健中发挥着关键作用。
3. Play a significant role in … 在……中起着重要作用
e.g. Wildlife conservation plays a significant role in maintaining biodiversity.
野生动物保护在维持生物多样性中起着重要作用。
变式
1. 互联网在人与人之间的交流中起着作用。
The internet ______ ______ ______ ______ communication between people.
2. 我的父母在我的幸福中扮演了重要的角色。
My parents ______ ______ ______ ______ ______ my happiness.
plays a role in
play a(n) big/important/significant role in
完成句子。
2. It is normal to sweat a lot when we do sport or go out in hot weather.
当我们做运动或在天气热的时候外出时，出很多汗是很正常的。
It is + adj. + to do sth. 意为“做某事是……的”。
it 在句中作形式主语，真正的主语是不定式短语。
It is important to learn English well. 学好英语是重要的。
It is hard to catch up with them. 要赶上他们不容易。
拓展
(1) It’s + adj. + of sb. to do sth. 表示“某人做某事是……的”。形容词一般是表示人物的性格或品德的。
e.g. It is very kind of you to help me. 你能帮我真是太好了。
(2) It’s + adj. + for sb. to do sth. 表示“做某事对某人来说是……的”。形容词常用于描述不定式所表示的动作的性质。
e.g. It is easy for you to do sports. 做运动对你来说是容易的。
Translate:
1. 对你来说学英语不难。
2. 对我来说跑步很累。
3. 他人很友好，对别人友善。
4. 这本书对我来说很有趣。
It’s not difficult for you to learn English.
It’s tiring for me to run.
It’s friendly of him to be kind to others.
It’s interesting for me to read this book.
根据提示填入正确的短语。
1. __________(作为结果), the city grew larger.
2. We should __________(确保) that we use water wisely.
3. Water has always ______________(在……起作用) the development of cities.
Practice
As a result
make sure
played a role in
Thank you!

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