Unit 2 Topic 3 What can we do to protect the environment?Section A 课件(共20张PPT，内嵌音频) 2023-2024学年英语仁

(共20张PPT)
Unit 2
Saving the Earth
Topic 3 Section A
学习导航
新知学习
课堂小结
当堂检测
学习目标
重点研讨
新课导入
Do you know how these kinds of pollution affect our environment
新课导入
What should we do to improve our environment
新知学习
课堂小结
当堂检测
学习目标
重点研讨
学习目标
1. 能掌握连词and，or，but与while
2. 能从“减量” “再使用”和“再循环”的角度
谈论保护环境
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1a
Listen, look and say.
(A journalist is interviewing Jane about environmental protection.)
Journalist: Hi, Jane. Could I ask you a few questions
Jane: Certainly.
Journalist: We all know that you're working for an organization that protects
the environment. Can you tell us what you are doing there
Jane: Well, my main job is to help spread the message about protecting
the environment. For example, the three R's—reduce, reuse and
recycle—are important.
新知学习
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当堂检测
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Journalist: So what can we do at home to protect the environment
Jane: We should reduce the waste we produce. For example, we
should use both sides of paper and reuse plastic bags.
Journalist: What can students do at school
Jane: Recycling can protect the environment, and it can save money,
too. So we encourage students to collect waste paper and soft
drink cans. Then we sort them so that they can be recycled.
Journalist: Wonderful ideas! Thank you!
Jane: It's a pleasure.
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1b
Listen to 1a and complete the table.
An interview with Jane
where Jane works in an ___________ to _____________________
what Jane is doing helping ________________ about protecting the environment
what we can do at home _______________ we produce
what students can do at school collect __________ and soft drink cans
organization
protect the environment
spread the message
reduce the waste
waste paper
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当堂检测
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1c
Read 1a and complete the sentences.
1. The three R’s —_______, ________ and ________ — are important.
2. At home, we can, for example, use both _______ of paper and reuse
_______ bags.
3. At school, students are encouraged to _______ waste paper and
______________ because recycling can protect the ____________
and _______ money.
4. Then we ________ them _______ they can be recycled.
reduce
reuse
recycle
sides
plastic
collect
soft drink cans
environment
save
sort
so that
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2
Combine the sentences with or, and, but or while, making some changes if necessary.
1. Noise is a kind of pollution. It’s harmful to our hearing.
Noise is a kind of pollution and it’s harmful to our hearing.
2. Work hard. You will fail the exam.
Work hard, or you will fail the exam.
3. Nodding the head means agreement. Shaking the head means disagreement.
Nodding the head means agreement while/but shaking the head means
disagreement.
4. Hurry up. You will miss the bus.
Hurry up, or you will miss the bus.
5. He has failed several times . He never gives up.
He has failed several times, but he never gives up.
新知学习
课堂小结
当堂检测
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3a
Read the table and write the correct letter under each picture.
Then sort the garbage based on your own knowledge.
_________
_________
_________
_________
_________
b.paper cups
e.glass bottles
c.cans
a.plastic bags
d.newspapers
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Type of garbage Recycled Reused Reduced
a. plastic bags
b. paper cups
c. cans
d. newspapers
e. glass bottles
√
√
√
√
√
3b
Listen to the conversation and check your answers in 3a.
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课堂小结
当堂检测
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4
Suppose you will have a Clean-up Day. Work in groups and find out the garbage. Then sort them based on 3a and talk about them.
A: I think lunch boxes should be reused.
B: What about waste paper
A: I think…
Wow! We’ve got so much garbage! Soft drink cans, lunch boxes, plastic bottles, batteries, waste paper, paper bags and cups,…
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Key points
1. We all know that you're working for an organization that protects the environment.
work for… 为……工作, 为……坚持不懈地努力
eg:
We should work for peace. 我们应该为和平而努力。
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2. So we encourage students to collect waste paper and soft drink cans.
encourage sb to do sth 鼓励某人做某事
eg:
My father often encourages me to study hard.
爸爸经常鼓励我努力学习。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
3. Then we sort them so that they can be recycled.
sort 作动词时意为 “整理、归类、分拣”; 作名词时相当于kind, 意为 “种类”。
sort out 分类,整理
all sorts of 种种, 各种各样的,
a sort of 一种
eg:
We must sort out the good apples from the bad ones.
我们必须把好的苹果与坏的分开。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Grammar
连词“or” ,“and” “but” “while” 连接的并列句
(1) 表示并列关系，用 “and”
My father is a doctor and my mother is a worker.
(2) 表转折，用 “but”
I bought him a shirt but he didn't like it.
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(3) 表对比, 用 “while”, 意为“然而”
Susan does housework every day while her husband does nothing.
(4) 表选择, 用 “or”, 意为“或者, 否则”。
Now you can have a rest or you can go to the cinema．
Get up or you’ll be late for school.
新知学习
课堂小结
当堂检测
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Unit 2
Topic 3 Section A
掌握连词and,
or, but与while
从“减量”、“再使用”和“再循环”的角度谈论保护环境
根据中文提示,将下列句子补充完整。
1.汤姆非常富有，然而他的哥哥很穷。
Tom was rich 　　　 his brother 　　　 　　　.
2.洗完手后别忘记关掉水龙头。
Don’t forget to 　　　 　　　 the tap 　　 you wash your hands.
3.他不得不赶快离开。
He had to leave 　　　 　　　 　　　.
4.我们经常用电脑来玩游戏。
We often 　　　 computers 　　　 　　　 games.
5.你应该戒烟。
You 　　　 　　　 　　　 smoking.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
while was poor
shut off/turn off after
in a hurry
use to play
should give up