(共29张PPT)
八年级英语下（JJ）
教学课件
Unit 8 Save Our World
Lesson 48: Garbage Is Interetsing!
学习目标
Key words & phrases:
used; divide; seat; ton; divide...into...; It’s one’s duty to...
Key sentences:
1. It was great to see everyone working together!
2. We put on gloves and divided the garbage into different piles: galss, metal, plastic, paper and everything else.
3. I think it’s our duty to protect the environment.
To learn about recycling and reuse.
Words & Expressions
Let's read
used
divide
pile
seat
lid
ton
duty
divide... into...
adj. 用过的；旧的；二手的
v. 分开；分割
n. 堆；大量
n. 座位
n. 盖子
n. 吨
n. 责任；义务
把……分成……
Warming-up
Look and say
Look at these pictures. Can you believe they are all made out of garbage
What can we do with “waste” or “garbage”
Look and say
Presentation
Jenny's blog
This week we learned about pollution. I never knew that garbage was so interesting!
On Tuesday, it was World Environment Day. Danny, Brian and I cleaned up the schoolyard. All of our classmates helped. We took bags and picked up the garbage. It was great to see everyone working together!
Later that day, Brian, Danny and I went for a walk around our neighbourhood. When we saw garbage, we picked it up. Danny found a used toy car with one broken wheel. He took it home, cleaned it and fixed it.
On Wednesday, we sorted our school's garbage. We put on gloves and divided the garbage into different piles: glass, metal, plastic, paper and everything else. Most of the garbage was paper. People wasted a lot of paper! There was less plastic than paper and more plastic than metal. There was the least amount of glass.
Today, Danny made a car out of garbage! He used a big box for the body and pieces of wood for the seats. He used a bit of glue to put the wheels on. The wheels were plastic lids. It was great!
We throw garbage away. But where does it go Later this month, we will go on a class trip to the city recycling centre. Thousands of tons of garbage are sent there. We will see the workers sort all of our garbage for recycling.
I think it's our duty to protect the environment. I am only one person, but if I do my part, the earth will be a cleaner and safer place. If each of us does something for the environment, all of us will have a better life.
Jenny
Let’s Do It!
1. Read the lesson and fill in the table.
This week
On Tuesday
Later on Tuesday
They learned about pollution.
It was World Environment Day. All of their classmates took bags and picked up the garbage.
Brian, Danny and Jenny went for a walk around their neighbourhood. They picked up the rubbish. Danny found a used toy car with one broken wheel. He took it home, cleaned it and fixed it.
On Wednesday
Today
Later this month
They sorted their school's garbage.
Danny made a car out of garbage.
They will go on a class trip to the city recycling centre.
2. Complete the dialogues using the phrases in brackets.
1. A: The schoolyard is dirty. (clean up)
B: ____________________________________________
2. A: There is too much garbage. (pick up)
B: ____________________________________________
3. A: What a sunny day! (go for a walk)
B: ____________________________________________
4. A: It's cold outside! (put on )
B: ____________________________________________
We can clean it up together.
Let's pick it up.
Why not go for a walk
Please put on the coat.
3. Read the passage and answer the question.
“Hazardous” means dangerous. Some hazardous waste is poison—it makes people sick. Some products explode or burn very easily. Hazardous things usually have these labels: “poison”, “caution”, “warning” or “danger”. What can we do about hazardous waste Buy less of it! And when you take out the garbage, don't take out your hazardous waste. Hazardous waste in your garbage is bad for the environment.
Why Because we usually bury or burn our garbage. This can make people and the environment sick. Many countries have laws about hazardous waste. The laws don't allow people to bury or burn hazardous waste with other garbage. Many cities in North America keep their hazardous waste in special places. Some have ways to burn it at very high temperatures: from 900 to 1 100 degrees centigrade. Hazardous waste is buried two kilometres under the ground in some places. That's deep!
Which of these is hazardous Tick the correct ones.
Battery
Paint
Glass
Box
√
√
√
What can we do about hazardous waste
Why is Hazardous waste in your garbage bad for the environment
Buy less of it! And when you take out the garbage, don't take out your hazardous waste.
Because we usually bury or burn our garbage.
This can make people and the environment sick.
Language points
1. Danny found a used toy car with one broken wheel. （教材P124）
used 旧的，用过的；相当于second-hand。
used 习惯于；适应 常构成be/get used to (doing) sth. 结构，表示“习惯于(做) 某事”。
e. g. He bought a used bike. 他买了辆旧自行车。
I’m not used to eating so much for dinner.
我不习惯晚饭吃那么多。
2. We put on gloves and divided the garbage into different piles: glass, metal, plastic, paper and everything else. （教材P124）
divide v. 分开, 分割 指把一个整体按要求分成几个部分，暗含分配之意；也可指分开成对立的事物。常用的短语为：divide...into... 把……分成……，指把一个整体分开。
e. g. Divide the cake with your sister. 跟你妹妹分了这块蛋糕。
The island is divided into two parts. 这个岛屿被分成两部分。
separate指把人或物分开，着重指从原来的一个整体中移去一部分或把几部分隔开。常用的短语为：separate...from...将……分开。
e. g. Do you know how to seperate cream from milk
你知道如何从牛奶中分离出奶油吗？
3. There was less plastic than paper and more plastic than metal.（教材P124）
more adj. (much, many 的比较级) 更多的, adv. 更(与部分形容词或副词连用, 构成比较级), 更多
e. g. I have more oranges than he.
我的橙子比他的多。
I’ll be more careful next time.
下次我会更加小心的。
There are twenty more trees to be planted.
还有20 棵树需要栽。
More and more people are interested in blogs.
越来越多的人对博客感兴趣。
More or less one hundred people died in the heavy rain.
大约有一百人在大雨中遇难。
“数词或表示数量的词＋more＋名词”表示在原有的基础上“另外的，附加的”。
more and more越来越多
more or less 大约
There are more than 1. 4 billion people in China.
中国人口超过了14 亿。
The more you read, the more you will know.
你读得越多, 你就知道得越多。
more than 多于；超过
the more...the more...
越……越……
4. He used a big box for the body and pieces of wood for the seats. （教材P124）
seat n. 座位
take a seat 就座
give one’s seat to sb.给某人让座
reserve a seat预订座位
e. g. They reserved a seat for me. 他们给我预订了座位。
It’s polite to give the seat to the old. 给老人让座是礼貌的。
Please take a seat near the window. 请靠窗就座。
5. I think it’s our duty to protect the environment. （教材P124）
It’s one’s duty to do sth. 做某事是某人的职责/ 义务
其中it是形式主语，真正的主语是动词不定式短语。
e. g. It’s our duty to clean the classroom every day.
每天打扫教室是我们的责任。
Exercises
一、用所给单词的适当形式填空
1. The weather today is a lot ______ (bad) than that of yesterday.
2. One of the cars ______ (be) Uncle Wang’s.
3. It makes the ______ (little) pollution among all types
of transportation.
4.They put the garbage into bags for_________ (recycle).
5.It’s not right ________ (laugh) at people in trouble.
to laugh
worse
is
least
recycling
二、句型转换，每空一词
1.Please throw away the broken wheel. (改为否定句)
______ ______ away the broken wheel.
2.To help our parents do the housework is right. (改为同义句)
______ ______ right ______ ______ our parents do the housework.
3.Linda has more books than the other two girls. (改为同义句)
Linda has the ______ books of the ______ girls.
Don’t throw
It is to help
most three
Homework
Preview the unit review.
Do the exercises in students’ book.
Thank you!
