资源简介

(共19张PPT)
Listening & Speaking
Unit 3
A Green Earth, a Better Home
Big Question: How can you be a green person
In this unit, you will learn to:
talk about environmental protection.
develop an awareness of environmental protection.
analyze the cause and effect of an event.
use the reading strategy of making generalizations.
make a survey about low-carbon living.
学习目标
01
能认读并运用与污染类型相关的核心词汇;
02
能听懂关于污染问题的描述，提取污染类型、
原因、影响及变化等关键信息，完成句子填空;
03
能运用所学词汇和句型，与同伴谈论污染问题
及其变化。
新课讲授
Look at the pictures and answer the following questions.
What are the pictures about
How can you be a green person
Activity 1
A. Match the kinds of pollution (a–e) with the pictures below.
a. light pollution
b. air pollution
c. soil pollution
d. noise pollution
e. water pollution
a
b
c
d
e
B. Fill in each blank with a suitable phrase above.
1. The International Union of Soil Sciences set up World Soil Day in
2002 to raise people's awareness of the problem of ____________.
2. As the city has made great efforts in fighting against ____________ for
these years, people can see much clearer sky now.
3. ____________ not only causes many health problems in humans’ hearing,
but also harms animals, especially whales and dolphins in the ocean.
4. ____________ can be harmful to the health of people and animals. More
people are taking actions to reduce it and bring back the natural sky.
5. Unsafe water has made many people sick in the past few years and
____________ is putting people's health at risk.
soil pollution
air pollution
Noise pollution
Light pollution
water pollution
Language point
1. Unsafe water has made many people sick in the past few years ...
在过去的几年里，不安全的水已经导致许多人生病……
in the past few years 意为“在过去的几年里”，用于现在完成时态，表示从过去到现在的一段时间。
“in the past/last +数词+ years/weeks/months/days.”都可用于现在完成时态。
e.g. My hometown has changed a lot in the past ten years.
在过去的 10 年里，我的家乡变化非常大。
In the past two years, I have been to Beijing for three times.
在过去两年里，我去了北京三次。
C. Listen and repeat, then pay attention to the bold.
You look serious. What has happened
I've read an article about water pollution.
What does it say
Unsafe water has made many people sick in the past few years and water pollution is putting our health at risk.
C. Pair work. Replace the parts in bold and practice with your partner.
You look ______. What has happened
I've read an article about ______.
What does it say
...
a. light pollution
b. air pollution
c. soil pollution
d. noise pollution
e. water pollution
Next we'll listen to three short monologs. Three animals are talking about the changes in their environment. Please listen carefully and find out what problems they faced and what has happened to make things better.
Activity 2
Listen quickly and guess what these three animals are.
Listen to the monologs and complete the sentences.
I like eating leaves on tall trees. There used to be ______ trees and I was always hungry. Now, I have enough leaves to eat because people have ______ trees everywhere.
Several years ago, I couldn't find trees to live in. But recently, people have stopped ______ down trees and I can find a good place to live in and start a family.
In the past, water pollution was a big ______. In recent
years, I have seen people's efforts to make the ______ clean again.
fewer
planted
cutting
problem
sea
Listen again and check your answers.
I have a long neck and I'm the tallest animal in the world. I like eating leaves on the tall trees. There used to be fewer trees and I was always hungry. Now, I have enough leaves to eat because people have planted trees everywhere.
I can fly in the sky like a kite and bring you good luck. Several years ago, I couldn't find trees to live in. But recently, people have stopped cutting down trees and I can find a good place to live in and start a family.
I am very big and I live in the sea. In the past, water pollution was a big problem. In recent years, I have seen people's efforts to make the sea clean again.
Tapescripts听力文本
Activity 3
Pair work. Make a conversation about pollution.
The following sentences may help you.
— ... ago, ... pollution was very serious. Now, ... have/has come back.
— Yes, everything has changed. Do you know what has happened
A: You look worried. What has happened
B: I've read an article about air pollution in our city.
A: What does it say
B: Several years ago, air pollution was very serious. The sky was
grey and people had to wear masks.
A: Yes, everything has changed. Do you know what has happened
B: The government has closed many factories and planted more
trees. Now, we can see blue sky again.
A: That's great! I hope it will get better and better.
B: Yes, I think so too.
I can
认读并运用与污染类型相关的核心词汇;
听懂关于污染问题的描述，提取污染类型、原因、影响及变化等关键信息，完成句子填空;
运用所学词汇和句型，与同伴谈论污染问题及其变化。
Reflecting
Homework
用英语写5句话，描述你所在城市
存在的一种污染问题及其变化。
查阅资料，了解一种污染的主要
原因，并用英语写3-4句话记录下来。

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