Unit 2 Topic 3 What can we do to protect the environment?Section A 课件 （共24页PPT，内嵌音频）2024-2025学年英语仁爱

(共24张PPT)
Unit 2
Saving the Earth
Topic 3
Section A
1.学习目标
3.重点探究
2.自主学习
学习导航
5.当堂检测
6.课堂总结
4.拓展提升
新课导入
Free talk
What can we do to protect the environment
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
自主学习
New words
protection n. 保护；防卫
organization n. 组织；团体；机构
recycle n. 回收利用；再利用
plastic adj. 塑料的
can n. （美）罐子；罐头
nod v. 点头
agreement n. 同意；一致；协议
disagreement n. 分歧；争论
hurry v. & n. 赶快，匆忙
hurry up 赶快，快点
give up 放弃
battery n. 电池
重点探究
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.
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.
Listen to 1a again and answer the questions.
1. Who is working for an organization that protects the environment
Jane.
2. What’s her main job
Her main job is to help spread the message about protecting the
environment.
3. Should we use both sides of paper
Yes, we should.
4. Why is the recycling useful
It can protect the environment, and it can save money, too.
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
Watch the video about 1a.
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
Discussion
1. Hurry up, or you will be late for school.
2. Zhang Hong likes apples, but I don’t like apples at all.
3. Huang Rong is good at math while her twin sister is good at English.
4. This coat looks nice and it’s cheap, too.
5. Recycling can protect the environment, and it can save money, too.
Discuss the words underlined
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.
(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.
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.
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
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.
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,…
拓展提升
Language points
1. We all know that you’re working for an organization that protects the environment.
我们都知道你在为一个环保组织工作。
that you’re working for an organization中that 引导的是宾语从句。作动词know的宾语。that protects the environment中that引导定语从句。修饰前面的organization。
work for…为……工作, 为……坚持不懈地努力
Eg.We should work for peace.
2. My main job is to help spread the message about protecting the
environment.
我的主要工作是帮助宣传有关环保方面的信息。
※ My job(task/aim/hope/dream/…) is to do sth.此句型为不定式作表语，常表示主语的工作、任务、目标、愿望、梦想等未来的行为。
Eg：Her main job is to teach them English.
※ help为动词，意为帮助.可跟不带to的不定式或带to的不定式
句式： help sb.(to) do sth.帮助某人做某事
Eg. Could you help me (to) open the door
3. So we encourage students to collect waste paper and soft
drink cans.
所以我们鼓励学生们收集废纸和软饮料瓶。
encourage作动词，意为“鼓励”。
encourage sb.to do sth.意为 “鼓励某人做某事”。
eg: Our teacher often encourages us to speak English as much as possible.
4. 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。
※ so that意为“为了，以便”引导目的或结果状语从句，
so that相当于in order that / in order to。
用and, or, while, but 把下列句子合并成一句话。
1. You help him. He helps you.
____________________________________________________
2. The teacher’s name is Smith. The student’s name is John.
____________________________________________________
3. Hurry up. you’ll miss the train.
____________________________________________________
4. He was a little man with thick glasses.
He had a strange way of making his classes lively and interesting.
____________________________________________________ ____________________________________________________
当堂检测
You help him and he helps you.
The teacher’s name is Smith, and the student’s name is John.
Hurry up, or you’ll miss the train.
He was a little man with thick glasses, but he had a strange way of making his classes lively and interesting.
课堂总结
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