资源简介

(共26张PPT)
Unit8 A green world
Welcome to the unit
译林版（2024）八年级
下
Learning objectives
1
Lead in
Pre-listening
3
While-listening
Post-listening
5
Summary
Assessment
7
Homework
2
4
6
8
By the end of the lesson, I will be able to...
1
2
3
Use relevant vocabulary and expressions to talk about ways to reduce pollution in daily life.
Acquire and sort out information on pollution-reduction
methods.
Learn about four types of pollution and their causes.
01
Learning objectives
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Lead-in
02
Activity 1 Watch and answer.
1.What can you see in the video
Blue sea, white clouds,
green mountains...
2.But our home is facing many problems now. What problems do you know about
pollution / cutting down trees ...
03
Pre-listening
Activity 2 Look and say.
air pollution
water pollution
soil pollution
noise pollution
Do you know other types of pollution
Do you know what types of pollution are shown in the pictures
03
Pre-listening
Activity 3 Look and say.
thermal pollution
white pollution
light pollution
热污染
All these are bad for our Earth.
03
Pre-listening
Activity 4 Look and think.
air pollution
water pollution
soil pollution
noise pollution
What are the causes of these kinds of pollution
●factory waste
●rubbish
●heavy metals
●traffic noise
●factory machines
●building work
●factory smoke
●car exhaust(废气)
●burning coal and
oil
●dirty water from
factories and homes
●oil leaks (泄露)
Lead-in
02
The Class 1, Grade 8 students are learning about pollution.
04
While-listening
Activity 5 Listen and fill.
A Listen to the introduction and fill in the blanks.
Cutting down
cars
Smoke from factories
Wastewater
pour...into... 把…倒入…
03
Pre-listening
Activity 6 Read and think.
How can we reduce pollution
We can ________________________________.
We should ___________________________________.
plant more trees to make the air cleaner
use clean energy like solar or wind power
03
Pre-listening
Activity 2 Read and learn.
Millie and Daniel are talking about reducing pollution.
04
While-listening
Activity 7 Listen and complete.
B Listen to the introduction and fill in the blanks.
Type How to reduce pollution
Air pollution (1) _______ a ride to school with others or take the (2)_____ .
Ride a bike if we live (3) ______.
(4) ______ more trees.
Water pollution Use more (5)___________ cleaning products
eco-friendly
Share
bus
close
Plant
04
While-listening
Activity 8 Read and take notes.
Millie: What can we do to reduce air pollution
Daniel: It's a good idea to share a ride to school with others or take the bus.
Millie: Yes. We can also ride a bike if we live close.
Daniel: Good idea. We can plant more trees.
Millie: I agree. And what about water pollution Some rivers don't look clean and clear!
Daniel: We should use more eco-friendly cleaning products.
Millie: Yes. That will reduce water pollution.
share a ride to school 拼车上学
live close 表示“住得近”。close 在此处作副词，意为“靠近，不远”，指空间上的接近。
While-listening
Activity 9 Read and find useful expressions.
04
Millie: What can we do to reduce air pollution
Daniel: It's a good idea to share a ride to school with others or take the bus.
Millie: Yes. We can also ride a bike if we live close.
Daniel: Good idea. We can plant more trees.
Millie: I agree. And what about water pollution Some rivers don't look clean and clear!
Daniel: We should use more eco-friendly cleaning products.
Millie: Yes. That will reduce water pollution.
Useful expressions
A: What can we do to reduce
... pollution
B: It’s a good idea to ...
A: Yes. We can also …
B: Good idea. We can…
A: I agree. And what about
... pollution …
B: We should …
A: Yes. That will reduce ...
pollution.
Post-listening
Activity 10 Work in pairs.
05
Work in pairs and talk about how we can reduce pollution.
Useful expressions
A: What can we do to reduce
... pollution
B: It’s a good idea to ...
A: Yes. We can also …
B: Good idea. We can…
A: I agree. And what about
... pollution …
B: We should …
A: Yes. That will reduce ...
pollution.
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:
05
Activity 11 Group work.
Post-listening
Which type of pollution is the biggest problem in your hometown
Explain.
Version 1: In my hometown, air pollution is the biggest problem. Many factories give off black smoke. Also, there are too many cars on the roads. Their exhaust makes the air dirty. On foggy days, we can’t see far and my throat feels bad.
Post-listening
05
Activity 12 Deep thinking.
As a student, how to live a green life？
Protect the environment by recycling waste.
Save energy by turning off the lights when leaving.
Reduce air pollution by riding bicycles.
Save water by taking shorter showers.
Summary
06
The words we have learned
1. n.原因；理由 _______
2. /s l/ _______
3. eco-friendly ___________
4. /tr k/ _______
5. adj. 不洁净的 _______
6. vt. 倾倒，倒出 _______
7. /kl (r)/ _______
一、根据所给提示写单词。
cause
soil
adj.环保的
truck
unclean
pour
clear
The phrases we have learned
Summary
06
二、短语互译。
1.土壤污染 ____________
2.噪声污染 ____________
3.水污染 ______________
4.减少空气污染 _________________
5.把…倒入… ____________
6.拼车上学 ___________________
7.住得近 _________
share a ride to school
soil pollution
noise pollution
water pollution
reduce air pollution
live close
pour...into...
The sentences we have learned
Summary
06
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三、句子互译。
1.我们能做些什么来减少空气污染？
_____________________________________
2.和别人拼车上学或者坐公交车是个好主意。___________________________________________________________
3.We should use more eco-friendly cleaning products.
__________________________________
4.We can also ride a bike if we live close.
__________________________________
What can we do to reduce air pollution
It’s a good idea to share a ride to school with others or take the bus.
如果住得近，我们也可以骑自行车。
我们应该更多地使用环保清洁产品。
Assessment
07
Self-assessment
I know more about four types of pollution and their causes.
I can acquire and sort out information on pollution-reduction methods.
I can use relevant vocabulary and expressions to talk about ways to reduce pollution in daily life.
Basic (基础)
熟读课本对话内容，选择一种污染类型，用 3-5 句英文编写一组问答对话。
Improving(提升)
选择教材中提到的任意一种污染类型，撰写一段 80 词左右的英文短文，介绍该污染的成因，并说明我们可以如何减少它。
Extend (拓展)
制作一张英文版环境保护宣传海报，呼吁大家保护环境。
Homework
08
Summary
05
Unit 8 A green world
Welcome to the unit
Useful expressions
A: What can we do to reduce
... pollution
B: It’s a good idea to ...
A: Yes. We can also …
B: Good idea. We can…
A: I agree. And what about
... pollution …
B: We should …
A: Yes. That will reduce ...
pollution.
soil pollution
air pollution
water pollution
noise pollution
share a ride to school 拼车上学
live close 住得近
pour...into... 把…倒入…
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